Goal 4.01: The Unity and Diversity Roots: Di = two Pro = before Uni = one Multi = many Proto = first Pseudo = false Con = together In = not/without Septum = fold/division Arthro = jointed Append = to join Exo = outer Morph = shape Ecto = outside Dorm = sleep Gymno = naked Angio = flower Lesson 24: Classification Systems Classification = systematic grouping of organisms based on common characteristics Taxonomist = scientists who study how to classify organisms. http://www.simpletruths.tv/store/videos/EEN Pvideo.html Linneaus… Developed the binomial nomenclature (named for Genus species) system: Domain Kingdom Phylum Class Order Family Genus species Aristotle… (Did King Phillip Come Over For Good spaghetti?) developed earliest classification system DOMAINS AND KINGDOMS DOMAIN BACTERIA ARCHAEA KINGDOM Eubacteria Arachaea Bacteria Protista CELL TYPE Prokaryote Prokaryote Eukaryote CELL Cell wall, STRUCTURE peptido… Cell wall, NO peptido EUKARYA Fungi Plantae Animalia Eukaryote Eukaryote Eukaryote Mixed Cell wall Cell wall, cellulose No cell wall BODY FORM Unicellular Unicellular Unicell and Multicell Unicell and Multicell Multicell multicell NUTRITION Autotroph Autotroph and hetero and hetero Autotroph and hetero Heterotrop Autotrophic heterotrop Guess which belongs to which! Where does it belong? Lesson 25: Classifying Using Keys Dichotomous Key = uses pairs of statements/questions Steps for using a dichotomous key: 1. Observe organism. 2. Select one option from a set of two descriptive statements. 3. Go to the next set of statements as directed depending on your answer to the previous set. 4. Continue in this manner until you reach the identification name of the organism. Dichotomous Key Activity http://www.lnhs.org/hayhurst/ips/dichot/ Organism Which two organisms are most closely related? Classification Level Keys = compare organisms according to their levels of classification. DOMAIN EUKARYA EUKARYA EUKARYA KINGDOM ANIMAL ANIMAL PLANT PHYLUM CHORDATE ARTHROPOD CLASS MAMMAL INSECT ORDER PRIMATE ODONATE ASTERALE FAMILY HOMINID AESHNIDAE ASTERACEAE GENUS HOMO AESHNA HELIANTHUS species sapiens eremita agrestus MAGNOLIOPHYTE MAGNOLIOPSID L24-L25 QUIZ CLASSIFICATION OF ORGANISMS DOMAIN BACTERIA ARCHAEA EUKARYA 13.-20. List in order the classification of humans. 5. 1. Which The systematic is the more closely grouping related of to organisms toclassify humans? based ontheir common 12. A key that compares organisms according to 4. Which 2. Scientists of who following study is how the correct order organisms of classification? are levels called KINGDOM 3. Who developed Arachaeathe earliest classification system? Word bank: characteristics a. An insect isBacteria 6. 9. species 10. of classification iscalled calledPhylum, a 7. Order,8. a. Kingdom, a. Taxonomists Class, Family, Genus, 11. Ab.key that uses a system of asking two questions at a a. Linneaus Animalia sapiens a. A Taxonomy plant a. taxonomic key Class, Order, Family, Genus, species b. b. Kingdom, Classificationists Phylum, CELL TYPE Prokaryote Prokaryote Eukaryote a specific Eukaryoteorganism Eukaryoteis called Eukaryote time to lead the user to identify a b. Aristotle Homo Chordate c. b. A Classification reptile classification levels key c. b. Kingdom, c.c.taxonomic Systematists Order, Class, Phylum, Family, Genus, species a. key Darwin Hominid Primate c.c. Systematics dichotomous key levels CELL Eukarya Cell b. wall,classification Cell wall, Mammal Mixed key Cell wall Cell wall, No cell wall STRUCTURE peptido… NO peptido key cellulose c. dichotomous Word bank: BODY Animalia Unicellular Unicellular FORM Unicell and Multicell Unicell and Multicell Multicell multicell Autotroph and hetero Autotroph and hetero Heterotrop Autotrophic heterotrop Plantae NUTRITION Protozoa Autotroph and hetero Eubacteria Protista Fungi Life Functions of Bacteria All bacteria are unicellular. • Capsule, Cell wall & Membrane. • One long circular DNA • Plasmids = small circular DNA • Flagellum on some. • NO Nucleus. • Ribosomes Plasmid • Shapes of Bacteria: • coccus • spirillum • bacillus www.ynet.co.il biology.touchspin.com www.madrimasd.org BINARY FISSION = asexual reproduction of bacteria CONJUGATION= sexual reproduction of bacteria A. Pili are extended and link. B. Bacteria are pulled together and fuse. C. Plasmid DNA is replicated. D. Copy of Plasmid DNA is transferred to recipient bacteria. Recipient Lesson 26: Life Functions in Protists CONJUGATION Protozoans = animal-like • flagellates = use flagella • amoebas = use pseudopods • ciliates = use cilia two nuclei (macro and micro) conjugation = swapping genes Protozoans = animal-like sporozoans = reproduce with spores MALARIA spores spores spores Algae = plant-like DIATOMS • diatoms = silicon • dinoflagellates = use flagella • euglenoids = use flagella and have chloroplasts • red algae = live deep ocean dangerous algal blooms • brown algae = seaweed • green algae = chloroplasts, alternation of generations Alternation of Generations Sexual flagellum Asexual chloroplast Alternates between diploid and haploid. Molds = fungus-like • slime molds = colorful blobs • water molds = tiny threads Bacteria (11:06) http://player.discoveryeducation.com/index.cfm?guidAssetId=3500E1AE5D3A-4F0C-A14C-162B698EF6E6&blnFromSearch=1&productcode=US Protista and Fungi (20:00) http://player.discoveryeducation.com/index.cfm?guidAssetId=11289F0B4605-4523-8CFC-F04D79F7750F&blnFromSearch=1&productcode=US L26 QUIZ BACTERIA AND PROTOZOA 10. 10a. What do following we call steps sexual of bacterial reproduction conjugation of called? bacteria? in the 9. 12. 13. 14. Mark 22. Matching: 1. 2-8. 15. What Which Which List What Match theallthe is following does of of the the the the Alternation asexual labeled following following as the TRUE reproduction isis would that of or NOT NOT Generations FALSE. are you true true characteristics of most of of bacteria protozoans? protozoan Protozoans? mean? likely find oflocomotion? bacteria. in a2. damp 11.Place What is the primary difference between bacterial conjugation a. Conjugation sequence. a. correct a. basement? Cell bacterial Conjugation a. a. wall Protozoans Flagellates Ciliates An but cell organism no structures have membrane. use are two spends flagella. unicellular. nuclei. to part of its life in a haploid state and bacterial binary fission? Binary fission •16. 23. b. b. b. Coccus the and Diatoms One Binary b.words a. part long Slime Protozoans Cilliates Sporozoan in are fission circular below. amold made diploid use are DNA. cilia. ofstate. animal-like silicon. are called a.organisms. Rod-shaped spores. a. Conjugation isgametes asexual and binary fission is sexual. A. c. Duplication are pulled together and fuse. •17. 24. c. Bacteria c.a. Spirillum Dinoflagellates Plasmids Duplication c. b. b. Pili Amoebas Malaria Water All An protozoans =organism small mold is is use a circular sporozoan amoebia. spends flagella. have DNA. flagella. part that b. of isits Spherical transferred life asisaasexual. spore by mosquitoes. and part b. Conjugation sexual and binary fission B. ofSome Plasmid DNA is transferred to recipient •18. 25. d. Copy Bacillus b. as Euglenoids Flagellum aConjugation d.Flagellum seed. on use protozoans some. flagella and reproduce have c. mitochondria. sexually. Spiral c. transfers DNA and binary fission transfers RNA. 8. •19. e. bacteria. c. Red NOConjugation c. Cell Nucleus. algae Anmembrane organism live deep spends oceanRNA and part produce of binary its lifedangerous as a flower algal andblooms. part d. transfers and fission transfers DNA. 7. C. extended andcalled link. seaweed. •20. f. Pili d. as Brown Ribosomes aare Ribosomes plant. algaeare is also present. 6. D. Plasmid DNA is replicated. •21. g. e. Green All Capsule arealgae multicellular. has chloroplasts and alternation of generations. 5. f. Cell wall g. Cytoplasm 4. 3. Lesson 27: Life Functions in Annelid Worms Invertebrate = no backbone Septa = walls that separate body into segments Closed circulatory system = “blood” runs through vessels Movement = alternately contracting muscles Earthworm Movement http://player.discoveryeducation.co m/index.cfm?guidAssetId=F46DA587 -8F6E-4D48-94C5CE5A7B2F63E5&blnFromSearch=1&p roductcode=US Oligochaetes = earthworms Leeches = parasites Polychaetes = oceanic Lesson 28: Life Functions of Insects (all legs are attached to the thorax) Exoskeleton = outside skeleton Mouthparts = sucking, biting Sensory = antennae, compound eyes, chemical receptors Circulation = open circulatory system http://videos.howstuffworks.com/howstuffworks/384-how-bees-work-video.htm http://videos.howstuffworks.com/hsw/6133-incredible-insects-bees-video.htm COMPLETE Metamorphosis = egg – larva – pupa – adult INCOMPLETE Metamorphosis = egg – nymph– adult Metamorphosis http://player.discoveryeducation.com/index.cfm?guidAssetId=89CB6B53-4AAE-4F1C-BBA3E1B133B7A3D4&blnFromSearch=1&productcode=US Lesson 29: Life Functions in Amphibians Metamorphosis = egg – larva - adult • Lungs • 3-chambered heart • 2 loops for blood • Ectothermic = cold-blooded • Dormant in winter or drought • Anura = frogs/toads • Caudata = salamanders • Caecilians = snake-like Frog from fertilized cell to tadpole Frog development video About Reptiles • Dry scaly skin. • Cold-blooded. • Some lay eggs, other have live births. www.furiouscylon.com pricklypalace.com blog.desertcanyonreptiles.com Reptiles and Amphibians (43:31) http://player.discoveryeducation.com/index.cfm?guidAssetId=9AF59819-F781-462B-822B8FDA4BEB534D&blnFromSearch=1&productcode=US L27-L29 QUIZ Annelid Worms, Insects, and Reptiles/Amphibians Matching: Label 24. True Which or the False: illustration of List the allfollowing that apply. represents the life cycle of an Label the illustration 19. using amphibian? the 9. 10. using the following following 8. 11. 1. 5. words: 15. 25. 29. Oligochaetes Invertebrates In an insectamphibians Amphibians Snake-like all have have of the ano closed legs backbone. are circulatory attached a. Oceanic system. to a.the Anura annelid abdomen. worms words: 2. Polychaetes 6. 16. 26. 30. Walls Insects Adult Slimy a.that skin amphibians’ Egg, have separate larva, a closed pupa, respiratory ancirculatory earthworm’s adult system b. system. body Parasites includes b.into Caudata segments lungs. are 14. 7. Legs 17. 27. 31. Leeches called Insects Amphibians Salamanders b. septa. Egg, havelarva, are an exoskeleton ectothermic, adult and meaning c. therefore Earthworms they c. Caecilians do warm not have their a Pupa 3. Thorax 32. Annelid backbone. bodies Toads/frogs c. Egg, using worms nymph, outside haveadult an sources. open circulatory d. system. Reptiles Larvae 4. Mouthparts 18. 28. 33. Annelid Insects In Scaly ad. drought, skin Egg, have worms larva, compound amphibians move tadpole, by eyes alternately will adult that hibernate. are contracting made of multiple muscles. Adult 23. Head 34. visual Lay eggs parts. Egg Antennae 35. Ectothermic Incomplete metamorphosis 22. Complete metamorphosis Abdomen 36. Endothermic 20. 13. Wings 12. 21. Life Functions in Fish Lateral Line System = sensory line that runs along the sides of fish allowing them to sense when other organisms are nearby. Lateral Line System bioweb.uwlax.edu www.2kiwis.co.uk bss.sfsu.edu Lesson 30: Life Functions in Mammals Mammary glands = specialized glands that produce milk for young. Diaphragm = large muscle at bottom of ribs that forces air into and out of the lungs. Lesson 30: Life Functions in Mammals 4-Chambered Heart Endotherms (make our own heat) Movement Closed Circulatory System (blood is in vessels) BRAIN http://www.pbs.org/wnet/brain/3d/ Lesson 30: Life Functions in Mammals REPRODUCTION: Umbilical Cord = connection between baby and mother through which nutrients, oxygen and wastes are exchanged. Placenta = sac that the baby is in Marsupials = early development of baby in a pouch Monotremes = mammals that lay eggs Miniature horse foaling http://www.bitoblue.com/video.html Lesson 30: Life Functions in Mammals Human Embryos Embryo Fetus mhhe.com octopusmom.wordpress.com www.sciencemuseum.org.uk www.odec.ca www.digitaljournal.com Human Fetuses missinglink.ucsf.edu www.sideshowworld.com www.prolifeforum.org moniquemonicat.files.wordpress.com Lesson 31: Life Functions in Plants NonVascular Plants: Mosses, Liverworts, and Hornworts Vascular Plants: All other plants Hornworts Liverworts Mosses Lesson 31: Life Functions in Plants Gametophyte Sporophyte Lesson 31: Life Functions in Plants Angiosperms – flower plants Male/ Pollen Female/ Ovule Gymnosperms – cone plants Lesson 31: Life Functions in Plants Pollination = when the pollen falls into the female part of the plant. Fertilization = when the sperm and egg are united to form a zygote. Seed Plants – Angiosperms and Gymnosperms http://player.discoveryeducation.com/index.cfm?gui dAssetId=481451C7-6051-4E46-9564A6C08F3FC552&blnFromSearch=1&productcode=US Lesson 31: Life Functions in Plants Cotyledon = seed leaf; provides nutrients for young growth Monocotyledon = One seed leaf Dicotyledon = Two seed leaves Plant Movement? Sure! Tropism = responses of plants to external stimuli Gravitropism = movement of plants in response to gravity. Roots growing downward www.clubkayak.com Plant Movement? Sure! Sunflowers following the sun Phototropism = movement of plants in response to light. iprojectideas.blogspot.com pixalo.com Plant Movement? Sure! Vines climbing a tree Thigmotropism = movement of plants in response to touch. farm1.static.flickr.com L30-L31 QUIZ Mammals and Plants 1.True Which of thebreathe following is atrue of mammals? 2.True Mammals ororFalse: with muscle called the False: a. Mammals feed their young withheart regurgitated foods. 10. Matching: Which of the following are vascular plants? a. 3. Mammals Lungs have a 3-chambered like amphibians. 11. Which of feed the following is not true an angiosperm? of non-vascular plants? 6.Mammals Mammal fetuses are receive nutrients, oxygen and b.12. their young with mammary glands. a. Liverworts b.remove 4. Mammals Diaphragm arethrough mobile. a. They Dogwood exhibit tree alternation of generations. waste a structure called the umbilical cord. c. Mammals do not feed their young, the young forage for a.5. Pollination b. Hornworts b. Fertilization c.7.Mammals Abdomen are endothermic. b. They Rose bush live part of their lives as diploid organisms and part Mammal fetuses are enclosed in a protective sack called food themselves. c.c. Tomato plants as Christmas haploid tree organisms. the placenta. 13. Transfer d.d. Mosses ofproduce pollen from one angiosperm to another. c. They Tomato plant sporophytes and gametophytes. 8. In Monotremes, early development occurs in a pouch 14. When pollen and ovule join toflowering create the zygote. d. They produce seeds and parts. following actual birth. 9. Marsupials are mammals that lay eggs. Use the following list of terms to identify the parts of the flower below. Anther Sepal Petal 25. sensory in fishbest thatdescribes allows them to remain Stamen in a 26.The Which of theorgan following a dicot? Ovarylarge Filament turning and moving a. Agroup, vascular plant in which thetogether seed Style haswithout only onebumping Stigma Carpel into cotyledon. each other isPeduncle called the… a. fin plant in which the seed15.has two cotyledons. b. Dorsal A vascular b. fin c. Lateral A nonvascular plant in which the spores have only one 23.line 16. c. Ventral cotyledon. d. line 17. two d. Lateral A nonvascular plant in which the spores have 24. cotyledons. Study 22. for a Quiz on Flower Structures 18. 20. 21. 19. Lesson 32: Adaptations Plant Adaptations Animal Adaptations Stems Leaves are are adapted broadened to toto Vascular Shoots tissue allow allows plants Roots allow plants toto Some Someanimals animalsadapted produce toxins to Flowers are adapted hold catch water. more sunlight. plant grow to toward live on land. sun. and animals Camouflage = adaptations? blending ineating them. Why domore plants need remain in place. speed keep to predators catch food. from catch dinner! Mimicry = copying something that increases chances of survival. Camouflage = ability to hide blending into the surroundings. To by survive! Moth wings have fake “eyes” to Batsscare use sound waves to move in the off predators. dark and catch dinner! Jellyfish sting and paralyze their prey. Coevolution = when two species develop adaptations as a response to each other. Mimicry = adaptation that enables some animals to look like more dangerous animals. Red and Yellow, kill a fellow. Red and Black, take it back. Snake Fun! Is it safe? Camouflage = ability to blend in with their surroundings Flash: Exploring the Diversity of Life: Not What They Seem [10:00]