Course: The Living Environment Grade Level: 10th Name: Victoria Benson Unit Title: Linnaeus’ Legacy – How we arrange the diversity of Life Purpose/Rationale: In studying biology, the diversity of life can be overwhelming. This challenges the ability to recognize the underlying similarities between species. It is important to be able to recognize the key characteristics that species share or differ from one another. Understanding taxonomy and classification aids in understanding the environmental and physiological factors that influence which traits develop. This helps us understand why life turned out this way. Learning Objectives keyed to the NYS Learning Standards: Learning Objective #1 Standard KI PI Students will be able to explain why certain characteristics are found among many species MU 4 2 2.2 2.2a Individual organisms and species change over time 3 3.1 Explain the mechanisms and patterns of evolution. 3.1a Learning Objective #2 Standard KI PI MU 1 1 1 1.1a Learning Objective #3 Standard KI Statement from Core Curriculum Guide Students will understand and apply scientific concepts, principles, and theories pertaining to the physical setting and living environment and recognize the historical development of ideas in science. Organisms inherit genetic information in a variety of ways that result in continuity of structure and function between parents and offspring. Explain how the technology of genetic engineering allows humans to alter genetic makeup of organisms. For thousands of years new varieties of cultivated plants and domestic animals have resulted from selective breeding for particular traits. PI MU 1 1 1 1.1b The basic theory of biological evolution states that the Earth’s present-day species developed from earlier, distinctly different species. Students will be able to explain why it is necessary to classify species Statement from Core Curriculum Guide Students will use mathematical analysis, scientific inquiry, and engineering design, as appropriate, to pose questions, seek answers, and develop solutions. The central purpose of scientific inquiry is to develop explanations of natural phenomena in a continuing and creative process. Elaborate on basic scientific and personal explanations of natural phenomena, and develop extended visual models and mathematical formulations to represent one’s thinking. Scientific explanations are built by combining evidence that can be observed with what people already know about the world. Students will be able to identify historical figures in the field of taxonomy Statement from Core Curriculum Guide Students will use mathematical analysis, scientific inquiry, and engineering design, as appropriate, to pose questions, seek answers, and develop solutions. The central purpose of scientific inquiry is to develop explanations of natural phenomena in a continuing and creative process. Elaborate on basic scientific and personal explanations of natural phenomena, and develop extended visual models and mathematical formulations to represent one’s thinking. Learning about the historical development of scientific concepts or about individuals who have contributed to scientific knowledge provides a better understanding of scientific inquiry and the relationship between science and society. Learning Objective #4 Standard KI PI Students will be able to describe the relationship between structure and function MU 4 Students will understand and apply scientific concepts, principles, and theories pertaining to the physical setting and living environment and recognize the historical development of ideas in science. Individual organisms and species change over time 3 Explain the mechanisms and patterns of evolution. 3.1 3.1e Learning Objective #5 Standard KI PI MU 4 2 2.1 2.1a 2.1j 1 1.1 1.1c Learning Objective #6 Standard KI PI MU 1 3 3.1 3.1a Learning Objective #7 Standard KI Statement from Core Curriculum Guide PI Laboratory Checklist MU Natural selection and its evolutionary consequences provide a scientific explanation for the fossil record of ancient life-forms, as well as for the molecular and structural similarities observed among the diverse species of living organisms. Students will be able to explain how new characteristics can arise in a population Statement from Core Curriculum Guide Students will understand and apply scientific concepts, principles, and theories pertaining to the physical setting and living environment and recognize the historical development of ideas in science. Organisms inherit genetic information in a variety of ways that result in continuity of structure and function between parents and offspring. Explain how the structure and replication of genetic material result in offspring that resemble their parents. Genes are inherited, but their expression can be modified by interactions with the environment. Offspring resemble their parents because they inherit similar genes that code for the production of proteins that form similar structures and perform similar functions. Living things are both similar to and different from each other and from nonliving things. Explain how diversity of populations within ecosystems relates to the stability of ecosystems. In all environments, organisms compete for vital resources. The linked and changing interactions of populations and the environment compose the total ecosystem. Students will be able to describe how key characteristics are used to arrange organisms. Students will be able to arrange organisms by key characteristics Statement from Core Curriculum Guide Students will use mathematical analysis, scientific inquiry, and engineering design, as appropriate, to pose questions, seek answers, and develop solutions. The observations made while testing proposed explanations, when analyzed using conventional and invented methods, provide new insights into natural phenomena. Use various methods of representing and organizing observations (e.g., diagrams, tables, charts, graphs, equations, matrices) and insightfully interpret the organized data. Interpretation of data leads to development of additional hypotheses, the formulation of generalizations, or explanations of natural phenomena. Students will be able to design dichotomous keys Statement from Core Curriculum Guide Designs and uses dichotomous keys to identify specimens Learning Objective #8 4 1 Students will be able to arrange organisms by key characteristics Students will understand and apply scientific concepts, principles, and theories pertaining to the physical setting and living environment and recognize the historical development of ideas in science. Living things are both similar to and different from each other and from nonliving things. 1.1 1.1a Weekly Schedule: Content Outline Intro to Classification: Many forms of life Organize by Characteristics Historical Figures Trees, Keys and IDs: Traits are central Different ways to classify using traits Structure Drives Function: Different ways to define characteristics Structure evolves Dictates aspects of living Classification: Characteristics of a Key Create their own key Digital Field Guide: Inquiry-Based Activity Field Guide Use Review Assessment: Explain how diversity of populations within ecosystems relates to the stability of ecosystems. Populations can be categorized by the function they serve. Food webs identify the relationships among producers, consumers, and decomposers carrying out either autotropic or heterotropic nutrition. Class Activities Period 1 Chicken Door ringer Lecture on history of classification Wrap up questions 2 Red Flower Bellringer Lecture on taxonomy Reading from Beak of the Finch 3 Mini lecture on characteristics Lab Activity - Comparison of bovine, canine, and feline legs Reading from Beak of the Finch 4 Mini lecture on how to create an effective key Lab Activity creating a key to identify all furniture in the classroom 5 6 7 Intro to terms and how to use reference page Use of Dichotomous key online to identify aquatic plants or tree branches Final thoughts Classification Jeopardy Exam on Classification References: Weiner, J. Beak of the Finch Dawkins, C. Ancestor’s Tale Pollen, M. Omnivore’s Dilemma Biology of Animals Hickman, et al 7 th ed Integrated Principles of Zoology Hickman, et al Asking about Life Tobin & Dusheck 2nd ed Biology Life on Earth Audesirk, et al 6th ed Barron’s Regents Exams and Answers 2007 Barron’s Let’s Review Biology 2007 Kaplan AP Biology 2007 Vocabulary List (1) Taxonomy: [tassein, tattein (gk) to arrange; tactics, taxo-, syntax] (1) Class: [classis (lat.) summons, division of citizens for military draft, hence army, fleet; classification] (1) Organism: [ergon (gk) work, action, doer, worker; organic, organ] (1) Adaptation: [Synonyms: adapt, fitness, fit,] (2) Phyllum: [phulon (gk) tribe, class, race; phyletic, phylum, phylogeny] (2) Species: [spek- (lat.) to observe, a seeing, sight, form; specimen, perspective, spectrum] (2) Di: [dis (gk) twice] Bi: [bini (lat.) two each] (2) Nomenclature: [nomen (lat.) name, reputation; nominal, nominate, noun, binomial, misnomer, renown] (3) Characteristic: [kharassein (gk) to sharpen, notch, carve, cut; character] (3) Cladistic: [klados (gk) branch, shoot; cladogram, clade] (3) Structure: [struere (lat.) to pile up, construct; destroy, instruct, instrument, obstruct, substruction ] (3) Function: [fungi (lat.) to discharge, perform; defunct, perfunctory] (4) Dichotomy: [tomos (gk) a cut, cutting, volume; tome, -tomy, anatomy, atom, epitome] Title: Introduction to Classification and Taxonomy Name: Victoria Benson Day One Class/Unit: Living Environment Classification Learning Objectives keyed to the NYS Learning Standards: Learning Objective #1 Standard KI PI Students will be able to explain why certain characteristics are found among many species MU 4 2 2.2 2.2a 3 Individual organisms and species change over time 3.1 Explain the mechanisms and patterns of evolution. 3.1a Learning Objective #2 Standard KI PI 1 1 1.1a Learning Objective #3 KI PI The basic theory of biological evolution states that the Earth’s present-day species developed from earlier, distinctly different species. Students will be able to explain why it is necessary to classify species Statement from Core Curriculum Guide MU 1 Standard Statement from Core Curriculum Guide Students will understand and apply scientific concepts, principles, and theories pertaining to the physical setting and living environment and recognize the historical development of ideas in science. Organisms inherit genetic information in a variety of ways that result in continuity of structure and function between parents and offspring. Explain how the technology of genetic engineering allows humans to alter genetic makeup of organisms. For thousands of years new varieties of cultivated plants and domestic animals have resulted from selective breeding for particular traits. Students will use mathematical analysis, scientific inquiry, and engineering design, as appropriate, to pose questions, seek answers, and develop solutions. The central purpose of scientific inquiry is to develop explanations of natural phenomena in a continuing and creative process. Elaborate on basic scientific and personal explanations of natural phenomena, and develop extended visual models and mathematical formulations to represent one’s thinking. Scientific explanations are built by combining evidence that can be observed with what people already know about the world. Students will be able to identify historical figures in the field of taxonomy MU 1 1 1 1.1b Statement from Core Curriculum Guide Students will use mathematical analysis, scientific inquiry, and engineering design, as appropriate, to pose questions, seek answers, and develop solutions. The central purpose of scientific inquiry is to develop explanations of natural phenomena in a continuing and creative process. Elaborate on basic scientific and personal explanations of natural phenomena, and develop extended visual models and mathematical formulations to represent one’s thinking. Learning about the historical development of scientific concepts or about individuals who have contributed to scientific knowledge provides a better understanding of scientific inquiry and the relationship between science and society. Materials: Chicken with pen to cage in Projector and Computer with Powerpoint Time-budgeted Procedure: Time (minutes) Activities 10 Chicken Bellringer 25 Lecture on history of classification 5 Wrap-up Questions Safety: Need to make sure students with allergies sit in back of classroom. Hold onto chicken and quickly place back in pen. Store in backroom when finished with bellringer. Do not let students handle, too stressful for chicken when repeated done throughout the day. Teacher Notes: I. Chicken Bellringer A. As students walk in, ask those with allergies to sit in back of class for the beginning of class. 1. Have chicken in pen stashed behind desk or other object in front of classroom. B. Once students are seated, take chicken out and ask students what kind of animal it is 1. Guide responses: Animal, Bird C. Ask, “Does it have vertebrae like us?” 1. May have seen them when they eat chicken D. “Does it have a heart/lungs ?” E. “Do other birds have heart/lungs?” 1. Know other animals like it and “know” they have these organs, but how? 2. Make them really think this question over. 3. Have students take their normal seats while putting chicken away. 4. Have them enter their responses into their journals while taking attendance 5. Drive for the response that we don’t have to open every bird up to know it has these parts. II. Intro to Linnaeus’ Legacy PowerPoint A. Show powerpoint B. Remind students that bold words are required terms/concepts C. Names and concepts relating to evolution will be/have been covered in larger evolution unit. This should function as preview/review. III. Wrap-up Questions A. What advantage does creating this system create? 1. Can discover that we know a lot about an organism by knowing what others it is like! B. What does this mean for our world? 1. It is estimated that most of the world’s organisms are still undiscovered! 2. Evolution still takes place! New species are still being discovered! 3. Need to protect areas rich in species to find out what secrets they still hold! Reinforcement: Students will be assigned to create a concept map using the material introduced in lecture this day. Students should also supplement it with readings from text. They will be reminded that it will be checked over the next day. Sample Concept Map Natural Selection Inheritance Inheritance Adapt Organisms Taxonomy Characteristics Classify Hierarchy Title: Trees, Keys and IDs Name: Victoria Benson Day Two Class/Unit: Living Environment Classification Learning Objectives keyed to the NYS Learning Standards: Learning Objective #1 Standard KI PI Students will be able to describe how key characteristics are used to arrange organisms. 3 3.1 3.1a Learning Objective #2 Standard KI PI Statement from Core Curriculum Guide MU 1 Students will use mathematical analysis, scientific inquiry, and engineering design, as appropriate, to pose questions, seek answers, and develop solutions. The observations made while testing proposed explanations, when analyzed using conventional and invented methods, provide new insights into natural phenomena. Use various methods of representing and organizing observations (e.g., diagrams, tables, charts, graphs, equations, matrices) and insightfully interpret the organized data. Interpretation of data leads to development of additional hypotheses, the formulation of generalizations, or explanations of natural phenomena. Students will be able to explain how new characteristics can arise in a population Statement from Core Curriculum Guide MU 4 2 2.1 2.1a 2.1j 1 1.1 1.1c Students will understand and apply scientific concepts, principles, and theories pertaining to the physical setting and living environment and recognize the historical development of ideas in science. Organisms inherit genetic information in a variety of ways that result in continuity of structure and function between parents and offspring. Explain how the structure and replication of genetic material result in offspring that resemble their parents. Genes are inherited, but their expression can be modified by interactions with the environment. Offspring resemble their parents because they inherit similar genes that code for the production of proteins that form similar structures and perform similar functions. Living things are both similar to and different from each other and from nonliving things. Explain how diversity of populations within ecosystems relates to the stability of ecosystems. In all environments, organisms compete for vital resources. The linked and changing interactions of populations and the environment compose the total ecosystem. Materials: Copies of Beak of the Finch Selected Reading Projector and Computer with PowerPoint Time-budgeted Procedure: Time (minutes) Activities 10 Bell Ringer on Red Rose 9 Vocabulary Lesson 20 Lecture on Trees, Keys and IDs 1 Reading from Beak of the Finch Safety: No overt danger in planned activities. Teacher Notes: I. Red Rose Bellringer a. Ask students to close their eyes and imagine a red rose. b. Describe rose as intensely red, starting to open it petals, with green stem and growing in a garden c. Ask, “What type of rose did you imagine?” i. Start Power Point ii. Have students raise hands and see how many thought of each different flower d. Ask, “Why didn’t we all imagine the same flower?” i. Need to use very specific characteristics e. Why does it matter how we describe the flower? 1. If organism is used in experiments, result may be radically different if common name is used instead of scientific! II. Vocab Lesson A. Have introduced a lot of new words, go through some 1. What is the topic we are covering? (arranging living things) 2. What were the new words we talked about that meant to arrange living things? (taxonomy) 3. If students say classification: Classification has a different meaning doesn’t it? What other words like that one have you heard? (Class, classify) 4. When we use the word classification what does it imply? (grouping as well) 5. How did Aristotle, the first to attempt this in a logical way, start classifying? (based on characteristics) 6. Let’s explore how important characteristics can be III. Trees, Keys and IDs PowerPoint a. Ask students to imagine a red flower. Describe as bright red with green stem. b. Continue with PowerPoint c. Remind students that bold words are required terms/concepts IV. Reading from Beak of the Finch a. Read excerpts from pages 41-3. i. “Taxonomist can be classified into splitters and lumpers.” ii. Can be difficult to classify down to the species level if traits have a big range within a species iii. “It is only a very wise man or a fool who thinks he is able to identify all the finches he sees.” Reinforcement: See attached sheet Students will need to research on their own but will be allowed two days to complete project. Name: Period: Trees, Keys and IDs Class/Unit: Living Environment Classification Mini Project I. Perform a search to find sites that list the complete taxonomy for species. You may choose to use either of the sites listed below: www.plantkingdom.com/magnphyt.htm http://www.tolweb.org/tree/home.pages/popular.html Each column represents a taxonomic group First column is Domain, second is kingdom, etc II. Choose two organism and list the complete classification for those two organisms. You should choose distinct organism. This means that they should be no closer related than order level. List this information below. III. What kinds of traits would you expect to find on your organism according to this information. If you need help interpreting this information be sure to speak with me with enough time to hand in the project on time! (depends on chosen organism. Can describe locomotion, eating habits, type of reproduction, etc) Note: There are millions of organisms on this planet. You have two days to locate a site and describe some characteristics. This means that you should not have the same organism as your friends!! Choose a unique organism! Title: Structure and Function Name: Victoria Benson Day Three Class/Unit: Living Environment Classification Learning Objectives keyed to the NYS Learning Standards: Learning Objective #1 Standard KI PI Students will be able to describe the relationship between structure and function Students will understand and apply scientific concepts, principles, and theories pertaining to the physical setting and living environment and recognize the historical development of ideas in science. Individual organisms and species change over time 3 3.1 Explain the mechanisms and patterns of evolution. 3.1e Learning Objective #2 Standard KI Statement from Core Curriculum Guide MU 4 PI Natural selection and its evolutionary consequences provide a scientific explanation for the fossil record of ancient life-forms, as well as for the molecular and structural similarities observed among the diverse species of living organisms. Students will be able to explain how new characteristics can arise in a population Statement from Core Curriculum Guide MU 4 2 2.1 2.1a 2.1j 1 1.1 1.1c Students will understand and apply scientific concepts, principles, and theories pertaining to the physical setting and living environment and recognize the historical development of ideas in science. Organisms inherit genetic information in a variety of ways that result in continuity of structure and function between parents and offspring. Explain how the structure and replication of genetic material result in offspring that resemble their parents. Genes are inherited, but their expression can be modified by interactions with the environment. Offspring resemble their parents because they inherit similar genes that code for the production of proteins that form similar structures and perform similar functions. Living things are both similar to and different from each other and from nonliving things. Explain how diversity of populations within ecosystems relates to the stability of ecosystems. In all environments, organisms compete for vital resources. The linked and changing interactions of populations and the environment compose the total ecosystem. Materials: Projector and Computer with Powerpoint Copies of Lab Instructions Bones from legs of cow, horse and cat Time-budgeted Procedure: Time (minutes) Activities 9 Complete any activities remaining from previous day 10 Mini lecture on Characteristics 19 Lab Activity - Comparison of bovine, equine, and feline legs 2 Reading from Beak of the Finch Safety: Be vigilant that students don’t mishandle the bones or use them to attack each other. Teacher Notes: I. Lot of material cover the previous day, may need to go over and complete some this day C. Answer questions about content D. Answer questions about assignment II. Mini Lecture on Characteristics E. Show PowerPoint F. Remind students that bold words are required terms/concepts G. Be careful that they truly understand the difference between phenetic and cladistic trees III. Comparative Anatomy Lab H. Ask, “Keeping in mind the three types of traits used to classify organisms, how would we describe the chicken we started this section with?” 1. Anatomical – flies, 2. Developmental – Need to look at fertilized eggs at different stages 3. Genetic – Would have to compare to other bird’s DNA, how does it compare to ducks, geese, etc I. Will focus on structural differences for a little bit 1. Will have three legs to study: horse, cow and cat 2. Need to complete information in each section 3. Should circulate often through the room as this may be a challenging exercise for most of the class. IV. Beak of the Finch Excerpt A. Read page 66 1. paragraph on how the shape of each finch’s beak determines what they eat 2. Little things that we take for granted (like how we’re constructed) can have a profound effect on how we live Reinforcement: Students should continue to work on classification mini-project. Also need to Create Flash Cards for key words in Concept Map and bring those in. Sample Flash Card: Two-Name Name Binomial Nomenclature Genus species Linnaeus’s system for naming I. Observe the bones from these three species. How can you describe the differences? Bovine Equine IV. Gait of animals Each of these animals has at least one characteristic gait (method of walking). Identify this gait and explain how the anatomical differences you described above influence this gait. Bovine Feline II. Identify the toes on each foot. Measure the length of the longest toe for each species. Bovine Equine Feline Equine Feline III. Use your hand as a reference and describe what part each animal uses to walk on. Ie. None walk with all their weight on their “wrist” Bovine Equine Feline IV. How can you use the finding from the previous section to classify these animals? Create a chart describing the order these gaits developed using this data with the descriptions you generated in section two. Title: Classification Name: Victoria Benson Day Four Class/Unit: Living Environment Classification Learning Objectives keyed to the NYS Learning Standards: Learning Objective #1 Standard KI PI Students will be able to arrange organisms by key characteristics MU 1 3 3.1 3.1a Learning Objective #2 Standard Laboratory Checklist KI PI Statement from Core Curriculum Guide Students will use mathematical analysis, scientific inquiry, and engineering design, as appropriate, to pose questions, seek answers, and develop solutions. The observations made while testing proposed explanations, when analyzed using conventional and invented methods, provide new insights into natural phenomena. Use various methods of representing and organizing observations (e.g., diagrams, tables, charts, graphs, equations, matrices) and insightfully interpret the organized data. Interpretation of data leads to development of additional hypotheses, the formulation of generalizations, or explanations of natural phenomena. Students will be able to design dichotomous keys Statement from Core Curriculum Guide MU Designs and uses dichotomous keys to identify specimens Materials: Projector and Computer with PowerPoint Copies of Rubric for Classroom Furniture Key Time-budgeted Procedure: Time (minutes) Activities 5 Intro to the Dichotomous Key 30 Lab Activity creating a key to identify all furniture in the classroom 5 Final Question Safety: Be careful students don’t become overzealous in surveying furniture to include in key Teacher Notes: I. Intro to Dichotomous Key J. Begin PowerPoint for “Creating a Key” K. Ask for any questions at the end II. Key for Classroom Furniture L. Explain that their task is to create a key that will allow to you identify any piece of furniture using only their key M. Best way to test their key is to pretend they speak very little English and don’t know the name of all the pieces of furniture N. Should use rubric as guide on what to include and pass out copies O. Allow remainder of period to develop their key i. Can work in groups of 2-3 but will need to hand in their own key III. “When do you use dichotomous keys?” A. When using field guides to identify organisms. Will do this the next day B. Many other professions incorporate this: decision making trees, parts break down for machines, logic programs on computers. Reinforcement: Students should complete work on key for classroom furniture. Name: Period: Classification Key Rubric You’re assignment has been to create a dichotomous key for classifying all the furniture in our classroom. Here’s how you did: Scale 1 Furniture 4 How come I got to chairs my chair is a but I had a desk? stool Need more branches to arrive at correct piece Not a true Dichotomous, Meticulous dichotomous easy to divisions key follow Unable to Characteristics distinguish pieces by traits described Presentation 3 Linnaeus is crying Criteria Branching 2 Illegible, Lacks multiple labels, poorly numbered Multiple pieces of furniture missing Yup, that’s a bookcase all right. Score ____ x 3 = ____ Need more detail to distinguish key items Descriptive, possible to identify pieces Incredible detail, can even tell grain of wood! Hard to read, Missing labels and/or numbers Legible; all pieces labeled; well numbered Missing at least 1 piece of furniture All furniture in classroom is present Approaching calligraphy; attractive, ____ x 1 = accurate labels and ____ numbers Distinguished between ____ x 2 = similar types ____ TOTAL = ( / 36 ) x 100 = ____ x 3 = ____ ________ Title: Digital Field Guides Name: Victoria Benson Day Five Class/Unit: Living Environment Classification Learning Objectives keyed to the NYS Learning Standards: Learning Objective #1 Standard KI PI Students will be able to arrange organisms by key characteristics Statement from Core Curriculum Guide MU 1 3 3.1 3.1a 4 1 1.1 1.1a Students will use mathematical analysis, scientific inquiry, and engineering design, as appropriate, to pose questions, seek answers, and develop solutions. The observations made while testing proposed explanations, when analyzed using conventional and invented methods, provide new insights into natural phenomena. Use various methods of representing and organizing observations (e.g., diagrams, tables, charts, graphs, equations, matrices) and insightfully interpret the organized data. Interpretation of data leads to development of additional hypotheses, the formulation of generalizations, or explanations of natural phenomena. Students will understand and apply scientific concepts, principles, and theories pertaining to the physical setting and living environment and recognize the historical development of ideas in science. Living things are both similar to and different from each other and from nonliving things. Explain how diversity of populations within ecosystems relates to the stability of ecosystems. Populations can be categorized by the function they serve. Food webs identify the relationships among producers, consumers, and decomposers carrying out either autotropic or heterotropic nutrition. Materials: Projector and Computer with PowerPoint Computers for each group (mobile lab?) Internet access to pages Samples collected from local area – either aquatic plants or tree branches Time-budgeted Procedure: Time (minutes) Activities 10 Intro to terms and how to use reference page 29 Use of Dichotomous key online to identify aquatic plants or tree branches 1 Final Thoughts Safety: If using aquatic plants have to be sure that they are dry and don’t drip near the computer equipment. Need to select VERY different samples to prevent students from getting discouraged. Teacher Notes: I. Intro to terms and reference page a. Have students navigate to http://acs7/fipse/biowisewebsite/DFGIntro.asp using Internet Explorer b. Have them read blurb c. Have them click on link to keys d. Click “list keys” e. Click on the appropriate key, either aquatic plants or CNY Trees f. Click on “Reference” g. Go through any relevant terms to the samples they will be working with h. Go back to the page with the key and show them how to collapse and show all nodes if they desire II. Digital Field Guide a. Have students choose two – three specimens and write every line they used to arrive at the correct identification b. Allow them to work in groups of two-three to complete activity during remainder of period III. Progress Report A. Have covered a lot of material and mastered a lot of techniques B. Ask what helped them find the specimen they had? 1. Good characteristics and a way of identifying them! C. Can know use the skill they have developed to go on field trips on their own with a guide and identify organisms they encounter! Reinforcement: Students should complete concept map and flash cards for review day. Samples previously provided. Title: Introduction to Classification and Taxonomy Name: Victoria Benson Day Six Class/Unit: Living Environment Classification Learning Objectives keyed to the NYS Learning Standards: All previously state objectives. For exhaustive list see unit coversheet. Materials: Projector connected to computer with PowerPoint Classification Jeopardy file Time-budgeted Procedure: Time (minutes) Activities 4 Have students take seats with team members 1 Review Rules of Gameplay 30 Moderate jeopardy questions 5 Answer additional questions Safety: Arrange chairs and desks ahead of time so student can run into seats for their team and not knock things over. Teacher Notes: I. Teams A. As students walk in give slips of paper with their team number. B. Have students sit in row with their team II. GamePlay A. Remind students that they should confer with their teammates and decide on the answer as a group B. Once they have chosen, they race to the team’s podium for the chance to give their response C. They must confer and chose the response together or their team’s response will not be acknowledged . III. Classification Jeopardy A. Project Jeopardy Game and PLAY!! B. Congratulate Winning Team IV. Wrap Up and Ask if there are any more questions A. Wish them luck for the next day! Reinforcement: Let them study! Remind students that they will need to correct their exams to receive the remaining points when they are returned to them. Assessment: No additional assessment 18 Sample Jeopardy Questions: 1. Letters A through L represent different species of organisms. The arrows represent long periods of geologic time. F G H D I E B J K B L C A B A B Which two species are the most closely related? (1) J and L (2) G and L (3) F and H (4) F and G 2. The dichotomous key below can be used to identify birds W, X, Y and Z. Dichotomous Key to Represent Birds 1.a. The beak is relatively long and slender……………………………….Certhidea b. The beak is relatively stout and heavy………………………………..go to 2 2.a. The bottom surface of the lower beak is flat and straight…………….Geospiza b. The bottom surface of the lower beak is curved……………………...go to 3 3.a. The lower edge of the upper beak has a distinct bend…………………Camarhynchus b. The lower edge of the upper beak is most flat………………………..Platyspiza Bird X is most likely (1) Certhidea (2) Geospiza (3) Camarhynchus (4) Platyspiza 3. (1) (2) (3) (4) Which contains animals that share the most traits in common Species Class Subphyllum Order 4. (1) (2) (3) (4) In classifying an animal by kingdom it is important to note whether it has hair what type of body systems it has how many toes it has where it lives 19 5. According to the diagram below, which three species lived on Earth during the same period? (1) (2) (3) (4) robustus, africanus, afarensis habilis, erectus, afarensis habilis, robustus, boisei africanus, boisei, erectus 20 Title: Introduction to Classification and Taxonomy Name: Victoria Benson Day Seven Class/Unit: Living Environment Classification Learning Objectives keyed to the NYS Learning Standards: All previously state objectives. For exhaustive list see unit coversheet. Materials: All copies of exam versions Answer Sheets Time-budgeted Procedure: Time (minutes) Activities 1 Pass out exams and answer keys 38 Administer exam 1 Collect exams and answer keys Safety: Make sure extra pencils are sharp but not lethally sharp. Teacher Notes: I. Welcome, wish best efforts and pass out exam versions and answer keys Try to avoid students sitting next to each other from having same version II. Take attendance and proctor Be vigilant of cheating, walk repeatedly around room, answer any questions, update remaining time for exam when 15, 10, 5 and 1 minute are left. III. Call time and congratulate best efforts Collect exams and answer keys – Count and make sure all are returned Reinforcement: Remind students that they will need to correct their exams to receive the remaining points when they are returned to them. Assessment: This is the assessment 21 Name: Period: There are three sections to this exam: multiple choice, definitions and short answer. Record all your responses on the answer key provided as well as the number on your test, only answers placed there will be graded. You will be graded according to the test you describe as taking (by indicating the number). The total number of points for the test is 85. Once your exam has been graded, you will need to submit your explanation for the correct response on any question you did not receive full credit on in order. Your explanations will be graded out of 15 points. I. Multiple choice: 2 points each. 1. In the early stages of development, the embryos of birds and reptiles resemble each other in many ways. This resemblance suggests that they (1) belong to the same species (2) are adapted for life in the same habitat (3) share a common ancestry (4) are both animal-like protest 2. According to Darwin’s theory of evolution, differences between species may result from (1) the disuse of body structures (2) the transmission of acquired characteristics (3) natural selection (4) mutagenic agents 3. The concept that new varietites of organisms are still evolving is best supported by the (1) increasing need for new antibiotics (2) increasing number of individuals in the human population (3) decreasing number of new fossils in undisturbed rock layers (4) decreasing activity of photosynthetic organisms due to warming of the atmosphere The evolutionary pathway of seven living species are shown in the diagrams below: B C D E F G Time A Ancestral Species 4. Which two species are likely to have the most similar DNA base sequences? (1) B and G (2) E and G (3) B and C (4) C and D 22 5. Even though the finches on the various Galapagos Islands require different biotic and abiotic factors for their survival, these finches would most likely be grouped in the same (1) species, but found in different habitats (2) kingdom but found in different ecological niches (3) species and found in the same biosphere (4) population but found in different ecosystems 6. The presence of some similar structures in all vertebrates suggests that these vertebrates (1) all develop at the same rate (2) evolved from different animals that appeared on Earth at the same time (3) all develop internally and rely on nutrients supplied by the mother (4) may have an evolutionary relationship 7. Linnaeus provided the modern synthesis of classification with his consistent application f a system of (1) binomial nomenclature (2) cladistics (3) phylogenetic systematics (4) natural selection 8. Which of the following would be a statement most likely supported by Lamark? (1) four out of five hyena pups die because of a lack of resources in the environment (2) the occurrence of new forms is a random event produced by a change in heritable factors (3) the wings of a butterfly and the wings of a bat are analogous structures (4) the long neck of a giraffe is a result of its ancestors continually trying to reach higher branches 9. A phylogenetic tree provides all of the following information except (1) the time of divergence between (2) a framework with which to classify organisms (3) a hypothesis of whether similar characteristics have a common origin (homologous) or are convergent (analagous) (4) the evolutionary relationship among the taxa is unclear 10. Imagine taxonomic classification is like a living tree. If “kingdom” is represented by the “trunk”, what are the large branches coming off the trunk? (1) class (2) order (3) family (4) phylum 11. In scientific names, the genus is never: (1) lower case (2) italicized (3) abbreviated (4) underlined 23 II. Definitions: 6 points each 1. Classification: a technique by which scientists sort, group and name organisms for easier study. 2. Speciation: the process by which new species are thought to arise from previously existing species. 3. Species: a biological grouping of organisms so closely related that they are capable of interbreeding and producing fertile offspring III. Short Answer: 9 points each 1. Imagine you’re a scientist returning from an expedition in the Sargasso Sea with a peculiar organism that is apparently unknown to science. How can you begin to classify the organism? Describe the steps you will take (step-by-step). Need to list the characteristics the organism has. Have to compare to other organism and determine what it has in common with other to place into each piece of classification scheme. 2. Arrange the following from more to less specific: genus family species species genus family kingdom kingdom Explain why some organisms can be placed together is some of these categories but not all. (What makes each unique? How does this reflect their evolutionary history?) The more specific the classification the more traits in common and the more closely related the organisms are to each other. 3. What problems could arise if a phenetics and a cladist were to design a key together? What (vocabulary) words are important to each? P – equal weight to all characteristics, group by similar characteristics C – only meaningful characteristics due to evolutionary history (shared derived characteristic) They can disagree on what characteristics are meaningful. 4. Define binominal nomenclature. What two segments of hierarchical classification does it include? Why is it better than using common names? 2 name naming system. Genus Species. Eliminates confusion since common names can vary by region. 5. Why is it incorrect to refer to organisms as being primitive or lower in phylogenetic trees? Implies the other animal is advanced or higher but both have spent the same about of time evolving 24