Skills Worksheet Chapter Review USING KEY TERMS Complete each of the following sentences by choosing the correct term from the word bank. pistil rhizoid vascular plant rhizome xylem phloem pollen stamen nonvascular plant 1. A is the male part of a flower. 2. transports water and nutrients through a plant. 3. An underground stem that produces new leaves and roots is called a. 4. The male gametophytes of flowers are contained in structures called. 5. A does not have specialized tissues fortransporting water. 6. transports food through a plant. UNDERSTANDING KEY IDEAS Multiple Choice 7. Which of the following statements about angiosperms is NOT true? a. Their seeds are protected by cones. b. They produce seeds. c. They provide animals with food. d. They have flowers. 8. Roots a. supply water and nutrients. b. anchor and support a plant. c. store surplus food. d. All of the above 9. Which of the following statements about plants and green algae is true? a. Plants and green algae may have a common ancestor. b. Green algae are plants. c. Plants and green algae have cuticles. d. None of the above Holt Science and Technology 50 Introduction to Plants
10. In which part of a leaf does most photosynthesis take place? a. palisade layer c. xylem b. phloem d. epidermis Short Answer 11. List four characteristics that all plants share. 12. List the four main groups of plants. 13. Name three nonvascular plants and three seedless vascular plants. 14. Why do scientists think green algae and plants have a common ancestor? 15. How are seedless plants, gymnosperms, and angiosperms important to the environment? 16. What are two advantages that seeds have over spores? Holt Science and Technology 51 Introduction to Plants
Concept Mapping 17. Use the following terms to create a concept map: flowers, pollen, stamens, ovaries, pistils, stigmas, filaments, anthers, ovules, petals, sepals. Holt Science and Technology 52 Introduction to Plants
18. Making Comparisons Imagine that a seed and a spore are beginning to grow in a deep, dark crack in a rock. Which of the two is more likely to grow into an adult plant? Explain your answer. 19. Identifying Relationships Grass flowers do not have strong fragrances or bright colors. How might these characteristics be related to the way by which grass flowers are pollinated? 20. Analyzing Ideas Plants that are pollinated by wind produce more pollen than plants pollinated by animals do. Why might wind-pollinated plants produce more pollen? 21. Applying Concepts A scientist discovered a new plant. The plant has vascular tissue and produces seeds. It has brightly colored and strongly scented flowers. It also has sweet fruits. Based on this information, which of the four main types of plants did the scientist discover? How is the plant most likely pollinated? How does the plant most likely spread its seeds? Holt Science and Technology 53 Introduction to Plants
INTERPRETING GRAPHICS 22. Look at the cross section of a woody stem below. Use the diagram to determine the age of the tree. _ Use the diagram of the flower below to answer the questions that follow. 23. Which letter corresponds to the structure in which pollen is produced? What is the name of this structure? 24. Which letter corresponds to the structure that contains the ovules? What is the name of this structure? 25. Which letter corresponds to the structure that protects the flower bud? What is the name of this structure? Holt Science and Technology 54 Introduction to Plants