The Study of Plants Biology: Mrs. Chapman Name: ____________________ 1 Plant Systems & Interactions PLANTS ARE LIVING ORGANISMS. PLANTS HAVE CERTAIN UNIQUE STRUCTURES THAT PERFORM SPECIFIC JOBS TO MAINTAIN LIFE AND GROWTH. THIS IS BOTANY – A STUDY OF PLANTS. THIS PACKET IS SET UP TO INTRODUCE YOU TO THE STUDY OF BOTANY (CHAPTERS 22, 23, 24, 25) (Online Biology: Dragon Fly Book) You will use the following book link to complete all the Sections Prentice Hall - Biology http://ocas.pearsonschool.com/ph/cd/0-13-1155407/?token=53616c7465645f5fbfd66b0103e1512861e41792984a1072fe1aa8798d4cd31b0909a95ddc095b670a60 8a1ab4c39f1a0ecc57c6ef8abfde (Chapters 21, 22, 23) (Current book) This packet is due: March 9th Check when completed Section(s) Vocabulary Section 22-1 Introduction to Plants Section 22-2 Bryophytes Section 22-3 Seedless Vascular Plants Section 22-4 Seed Plants Section 22-5 Angiosperms-Flowering Plants Section 23-1 Specialized Tissues in Plants Section 23-2 Roots Section 23-3 Stems Section 23-4 Leaves & Energy Section 23-5 Transport in plants Section 24-1 Reproduction with cones and flowers Section 24-2 Seed Development and Germination Chapter 25 Plant responses and adaptations Flower Dissection INSTRUCTIONS: A. Keep track of this paper and refer to it often. (The grading Rubric in on the back) B. As instructed by your teacher, complete each section. If you do not finish part of a section, then come to tutoring or finish it at home. C. Carefully follow all directions given in each section, each lab and station activity. D. Color all required drawing and pictures E. When you have completed the packet make sure all the papers are stapled in the correct order with the cover sheet attached to the front. 2 Rubric Read the instructions for each section carefully!! You will receive 7 daily grades (1 for each section), 1 lab grade (Flower Dissection), and then all of these grades will be averaged together to give you a PROJECT GRADE. All drawings/diagrams that should be colored and labeled are worth 5 points each. Section(s) Possible Points Vocabulary (In current textbook) 100 Section Section Section Section 100 22-1 22-2 22-3 22-4 Introduction to Plants Bryophytes Seedless Vascular Plants Seed Plants Section 22-5 Angiosperms-Flowering Plants 100 Section 23-1 Specialized Tissues in Plants Section 23-2 Roots Section 23-3 Stems 100 Section 23-4 Leaves & Energy 100 Section 23-5 Transport in plants Section 24-1 Reproduction with cones and flowers Section 24-2 Seed Development and Germination 100 Chapter 25 Plant responses and adaptations 100 Flower Dissection 100 Project Grade 100 All other questions are worth 3 points each. The vocabulary is worth 2.5 points 3 Points Earned Plant Vocabulary Word Definition 1. Stomata 2. Vascular Tissue 3. Vascular Plant 4. Nonvascular Plant 5. Seed 6. Guard Cell 7. Xylem 8. Phloem 9. Transpiration 10. Auxin Introduction to Plants 22-1 (p.551) 1. What is a plant? 2. What pigments do plants use to carry out photosynthesis? What Plants Need to Survive (p.552) 3. Explain each of the 4 things that plants need to survive and why? A. B. C. D. 4 4. Life Cycle of a Plant (Figure 22-2) (pg. 552) Draw, label and color. 5. The First Plants (Figure 22-6) (pg.554) Draw, label and color. (You have to use the hardcover book) 7. The great majority of plants alive today are _________________________________. Bryophytes Chap. 22-2 (pg.556-557) 1. Mosses do not have true roots, instead they have _____________________, which are long, thin cells that ________________________________________________________________________________________ Seedless Vascular Plants Chap. 22-3 (p.560) 2. What is vascular tissue? ___________________________________________________________________ 3. Complete the table about vascular tissue. Type of Tissue Function Xylem Phloem (p.561) 4. Complete the table about plant structures. Structure Description Roots Leaves Stems (p.562) 5 5. What are rhizomes? ______________________________________________________________________ Seed Plants Chap. 22-4 (pg. 564-565) ► Do all plants produce seeds? ________ ◄ 6. What are 3 features that allow seed plants to reproduce without water? ▪ ______________________________________________________ ▪ ______________________________________________________ ▪ ______________________________________________________ 7. Define cone. ____________________________________________________________________________ 8. What is a flower? ________________________________________________________________________ 9. What is a pollen grain? ____________________________________________________________________ 10. Describe pollination. ______________________________________________________________________ 11. What does the seed coat do for the seed? _______________________________________ 6 Angiosperms – Flowering Plants Chap. 22-5 (pg.569) 1. 2. 3. 4. 5. 6. 7. Angiosperms are members of the phylum ___________________________. Angiosperms have unique reproductive organs known as _____________________. In flowering plants, the seed is encased in a ______________________. What is a fruit? ________________________________________________________________________ Fleshy, nutritious fruits help the seeds to be dispersed by a _______________________. Describe pollination. ___________________________________________________________________ Using Figure 22-25 on p.570 to color and fill in the characteristics in each box in the table. Characteristics of Monocots & Dicots Monocots Dicots Seeds Leaves Flowers Stems Roots 7 Go to LAB TABLE 1: Type of leaf Monocot Observe the Leaves and draw an example of each. Drawing Dicot Simple Compound 8. Plant cells undergo photosynthesis. Which organelle does this process take place in? _____________________________ 9. a. Describe the different life spans of plants below (p.572): annuals – biennals – perennials – b. Which type live the longest? _______________________ Flower Pollination - Go to LAB TABLE 2 and use the information there to answer the following questions. Pre-Activity Questions 1. Define Pollination: ___________________________________________________________ 2. Do flowers have only one pollinator? ___________ 3. What three organisms pollinate most of the plants? _________________, _______________, & ___________________. 8 Activity Using the information in the chart on the laminated sheet provided with this activity, identify the most likely pollinator for each of the following examples. Examples Pollinator 1. The banana plant has a hanging flower that opens only at night and gives off a musty odor. 2. Willow trees have simple flowers with little fragrance that produce tiny, light weight pollen grains. 3. Skunk cabbage releases an odor like that of decayed meat. 4. A flower that is bright orange with little fragrance. 5. Plant that has small white flowers that open at night and produce a sweet scent. 6. Bright yellow flower with nectar located close to its surface. 7. Bright red flower with nectar located in long tubes. Analyzing Graphics – use the picture below and diagram on pg. 614 to answer the following questions 8. Which structure shown in the figure to the right allows pollen to enter the ovary? ________________________ 9. What is the most likely way that the pollen in the figure to the right will disperse? ________________________ 10. Explain your answer. Specialized Tissues in Plants Chap. 23-1 (p.579) 1. What are the 3 principle organs of seed plants? _______________, _______________ & _____________ (p.580-581) 2. What are the 3 tissue systems of plants? _________________, ________________ & ________________ Vascular Tissue 3. Vascular tissue in plants consists of _________________ & ___________________. 4. What is the function of xylem? _____________________________________________________________ 9 5. What is the function of phloem? ___________________________________________________________ 6. Microscope work → Go to LAB TABLE 3. Note: Be sure to reference Zea may sheet at the table. The microscope is set up on medium power. Do not move the slide. Zea mays stem (cs) cross section 100x 1. Draw and color what you see on the slide. 2. Label: xylem phloem vascular bundle Zea May Stem (p.583) 7. What is differentiation? _______________________________ ___________________________________________________ 8. Label the plant tissue system to the left using Figure 23-1 p.580. Roots - Chp. 23-2 (p.584) A seed plant is anchored in the ground by its _____________. 9. Complete the table about types of roots. Type of Root Mainly in Dicots or Monocots? Description Examples Taproots Fibrous roots 10. What is a bulb root and give an example. ________________________________________ 11. What type of root does a carrot have? ___________________ (p.585) 12. Water enters the plant through the large surface area provided by the _____________ ____________. 13. Using the information above about fibrous roots and taproots, answer the following: What type of root would be the best adaptation for the following environments? 10 This plant is located an area that experiences limited rainfall. It must be able to reach the water table, found deep underground. _______________ Plants need their root systems to grow where mineral and nutrients are. In the tropics, the nutrients are found on the surface where animals urinate and defecate and also from dead and decaying animals and plant parts found on the forest floor. _________________ This type of plant is resistant to strong winds. Its roots are anchored like a fence post. ____________ This plant has a root adaptation that prevents it from being lifted up out of the ground. It is generally found where there are grazing animals. _________________ Root Functions (p.586) 14. Why are roots important to plants? __________________________________________________________ 15. Reading a Table. Using Figure 23-8 . . . a. If you notice that a plant is becoming paler and more yellow, what nutrient might need to be added? __________________ b. If a plant has curled leaves, what nutrient is the plant lacking? __________________ - Go to LAB TABLE 4 answer the questions while observing the roots. a. Which plant has a tap root? b. Which plant has a fibrous root? c. Which plant has a bulb root? d. What is the advantage of a fibrous root? e. What is the advantage of a tap root? f. What are the 2 main functions of roots? Stems - Chap. 23-3 (p.589) 16. List the 3 functions of stems. ▪ ________________________________________________ ▪ ________________________________________________ ▪ ________________________________________________ 11 Monocot & Dicot Stems (p.590) 17. Explain the differences between monocotyledons (monocots) and dicotyledons (dicots). ____________________________________________________________________________________ ____________________________________________________________________________________ (p.592) 18. Most of what we call “wood” is actually layers of ___________________. 19. What do thin tree rings represent? __________________________________________________________ 20. What do thick tree rings represent? _________________________________________________________ - Go to LAB TABLE 5 answers the questions while observing the plant a. Describe the difference between a woody and an herbaceous stem. b. How do the function of a stem relate to the root and leaves of a plant? c. How can you determine the age of the tree? d. Why are the rings uneven? 12 Leaves & Energy - Chap. 23-4 Leaf Structure (p.595) 1. The structure of the leaf is optimized for ______________________________________________________. Go to LAB TABLE 6 Microviewer Work – Obtain an information card and a micro-viewer from the front Introduction 2. Leaves perform at least 5 general functions in the life of a plant. What are they? _________________________________________________________________________________ 3. What is a blade? _________________________________________________________________________ Slide 2 4. Draw, color and label what you see in the slide. Write the appropriate name and microscope magnification underneath. 5. Which 2 layers contain chloroplasts? ________________________ & ______________________ 6. What process does the green coloring of the chloroplasts enable them to do? _________________________________ Slide 4 7. Draw, color and label what you see in the slide. Write the appropriate name and microscope magnification underneath. 8. What type of membrane does a chloroplast have? ________________________ 9. What do chloroplasts capture? _____________________________________ Leaf Functions (p596) 10. What is a stoma? ______________________________________________________________________ Slide 5 – Epidermis – Surface View 11. How many stomata can you locate on this slide? ________. 12. Epidermal cells have a waxy waterproof material called _________________. Slide 6 – Stoma – Surface View 13. What do open stomata allow? _____________________________________________________________ 14. What do closed stomata cut off? ___________________________________________________________ 13 15. What do guard cells do? __________________________________________________________________ ► Put the microviewer and information card back on the table at the front of the room. 16. FIGURE 23-19 on p.597 - LABEL WHICH ONE IS THE ‘STOMA OPEN’ AND ‘STOMA CLOSED’ Plant A 17. 18. 19. 20. 21. 22. Plant B Label the guard cells and the stoma in the diagrams above. Which plant stomata above is most likely functioning under dry conditions. _____________________ Which of the plants above loses the most water due to transpiration? __________________________ Which of the plants above would be most actively performing photosynthesis? ___________________ If the stoma is open, water pressure in the guard cells is [high or low]? ___________ If the stoma and guard cells did not work, what would happen to the leaf of the plant? ________________________________________________________________________________ 14 Leaf Anatomy Activity: 1. In the table, correctly identify the function of each part using the information on the previous page Color the structures CAPITALIZED above. Make sure to color every part of the structures seen in the picture…not just the part that touches the line. Letter Structure Color Function A Cuticle (upper/lower) yellow Prevent water loss within the leaf. B Epidermis (upper/lower) orange It protects the internal tissues of the leaf. C Xylem blue Phloem red Xylem transports water. Vein D Phloem transports sugar. E Mesophyll green F Stomata pink G Guard Cells brown This is where photosynthesis actually occurs. Regulated by the guard cells. Help regulate the rate of transpiration by opening and closing the stomata. C A B E D G 15 F B What is the function of a leaf? ______________________________________________ Transport in Plants - Chap. 23-5 Water Transport (p.599) 1. What 3 things provide enough force to move water through the xylem tissue of even the tallest plant? ▪ ______________________________________________________ ▪ ______________________________________________________ ▪ ______________________________________________________ 2. What is it called when water molecules form hydrogen bonds with other substances? _____________________________________________________________________ 3. What is capillary action? __________________________________________________________________ 4. What happens when a plant wilts? (p.601) ________________________________________________________________________________________ __________________________________________________________________________ - Go to LAB TABLE 7 answers the questions while observing the plants. a. Describe the changes you see in the celery and white flowers. b. In what types of tissue does water move upward in a plant stem? c. In what type of tissue is sugar and other organic compounds transported from the leaves and stems to the roots of plants? d. What 3 combined things allows water to move through a plant? e. How are leaves involved in transpiration? 16 Reproduction with Cones and Flowers - Chap. 24-1 Life Cycle of Gymnosperms (p.610) 5. What are pollen cones? ______________________________________ 6. What are seed cones? ______________________________________________ Microscope Work – Go to LAB TABLE 8 Do not move the slide. You will be looking at pollen. Write the appropriate name and microscope magnification underneath your drawing. 7. Draw and color what you see from the slide. 8. Comparing what you have drawn with Figure 24-3 on p.610, do all pollen grains look the same? _________ Structure of Flowers (p.612, Figure 24-5) 1. Label the flower parts. 2. Color the female parts pink. 3. Color the male parts blue. 4. Color the sterile parts green and yellow. 5. Explain how selffertilization/selfpollination happens? __________________________________________________________________ __________________________________________________________________ Seed Development & Dispersal Chap. 24-2 Seed Development & dispersal Chap 24-2 Seed and Fruit Development (p.618) 6. What is a fruit, biologically speaking? _______________________________________________________ 7. Name some vegetables that are actually fruit. _________________________________________________ Seed Dispersal (p.619) 8. What are the 3 ways seeds are dispersed? __________________, _________________, & _____________ 17 9. Seeds that are lightweight are typically dispersed by the __________________. Analyzing Data. Answer questions 17 & 18 by examining the graph at the top of the page: (p. 620) 10. What effect does chilling have on germination of seeds from Ontario? _________________________________________________________________________________ 11. How does chilling affect the seeds from Louisiana? _________________________________________________________________________________ 12. What is dormancy? _____________________________________________________________________ 13. What 2 environmental factors can cause a seed to end dormancy and germinate? ____________________________ & _____________________________ Seed Dispersal Activity – (go to LAB TABLE 9) Pre-Activity Questions 1. Define seed: ____________________________________________________________________________________ 2. Define seed dispersal: ____________________________________________________________________________________ Activity: Use the pictures provided with this activity. You will describe the most likely method of seed dispersal for each scenario. The dispersal of seeds ensures that offspring will be dispersed and reduce the competition for resources Description of Seed Dispersal Figure 1 Figure 2 Figure 3 Figure 4 3. Why is seed dispersal important to plants? __________________________________________________ Plant Responses & Adaptations Chap. 25 Plant Hormones (p.634) 1. What is a hormone? _________________________________________________________________________________ 2. What is a plant hormone? ________________________________________________________________________________________ ________________________________________________________________________________________ 18 3. What do auxins simulate? (p.635) _________________________________________________________________________________ 4. What are cytokinins?(p.636) _________________________________________________________________________________ 5. What are gibberellins used for? (p.637) _________________________________________________________________________________ 6. What is ethylene? (p.638) _________________________________________________________________________________ 7. What is ethylene a major component of? _______________________________________________ 8. How was this discovered? ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________ Plant Responses (p.639) 9. What are tropisms and what is the purpose of tropisms? _________________________________________________________________________________ 10. Complete the table about tropisms. LAB Tropisms TABLE 10 Definition Gravitropism Growing towards: (Geotropism) Example: Phototropism Thigmotropism Hydrotropism Growing towards: Example: Growing towards: Example: Growing towards: Example: (p.641) 11. What is photoperiodism in plants responsible for? _________________________________________________________________________________ 12. What changes occur in plants as cold weather approaches? ________________________________________________________________________________________ __________________________________________________________________________ 19 (p.643-644) 13. Complete the table comparing aquatic, salt-tolerant & desert plants. Plant Adaptations Description Aquatic Plants Salt-Tolerant Plants Desert Plants 14. How are the roots and leaves of desert plants specialized for the environment in which they live? _____________________________________________________________________________ _____________________________________________________________________________ (p.645) 15. What 2 types of plants have specialized features for obtaining nutrients? _______________________________________________________________________ 16. What is an epiphyte? ____________________________________________________________________ 17. Are epiphytes parasites? __________ What type of symbiosis do epiphytes depict? __________________ 20 Flower Dissection Lab Purpose: This lab will help familiarize you with the reproductive parts of flowers. Use a magnifying lens to examine your intact flower. Sketch and label the parts of your flower. Then answer questions 1 and 2. An example is provided for you. Example Sketch 1. Is your flower a monocot or dicot? How do you know? _________________________ 2. Explain how self-fertilization would occur using the plant parts in the diagram above______________________________________________________________________ and what is the difference between self-fertilization and cross-pollination? _________________________________________________________________ Carefully begin peeling off the petals. Count and record how many of each your flower has. 3. _____Sepals (Thick outer parts that protect the flower when it is closed) 4. _____Petals (Colored parts that attract pollinators) 5. _____Stamen (Anther with pollen and filament) 6. _____Pistil (Female part with swollen ovary at the bottom and a sticky part called a stigma at the top.) Cut the flower in half and look at the ovary. 7. _____Now estimate the number of eggs (Small specks found inside the ovary) 21 8. Draw the cross-section of your flower. Draw each of the following in the space provided. 9. Sepal 10. Petal 11. Stamen 12. Pistil 13. Pollen grains are the male sex cells of the flower. Eggs are the female sex cells. When the pollen is brought to the female part of the flower it is called pollination. Why do you think that the pistil is sticky at the top? 14. Insects 15. Wind 16. Birds 17. Animals 18. Water 19. Which pollinator from your table above do you think brings pollen to your flower? _____ 20. Explain how bees and flowers have a mutualistic relationship. 21. Why do you think flowers are brightly colored? 23. The male sex cells in the pollen are called sperm. When the sperm and eggs combine, sexual reproduction occurs and the egg is fertilized. The fertilized egg becomes a seed. Where would you predict you would find seeds in a fertilized flower? 24. Do all flowers look the same? Explain why or why not. 22 25. In plants, gymnosperms have cones and angiosperms have flowers. Both of these plant structures are specialized for – A photosynthesis B water absorption C cellular respiration D sexual reproduction 26. Look at the diagram above. Circle the animals that would be best adapted to pollinate it. Humming bird Moths Snakes 27. In which part of the flower does fertilization take place? A Sepal B Petal C Pistil D Stamen 28. Which reproductive strategy is represented by the flower pictured right? A Budding B Fragmentation C Conjugation D Pollination 29. What is the primary role of the stamen and pistil? A They produce the reproductive cells. B They transport substances. C They secrete hormones. D They absorb nutrients. 30. In a changing environment, it is an advantage to a plant species to reproduce sexually. In sexual reproduction, a new individual is producing by combining gametes from two parents. All living things that reproduce sexually inherit traits from both parents. What is one benefit of sexual reproduction? A The plants are able to divide into smaller plants. B The plants are able to produce clones. C The plants are able to produce genetically diverse offspring. D The plants are able to be pioneer species 23 24