Skills Worksheet Directed Reading A Section: Structures of Seed Plants Write the letter of the correct answer in the space provided. 1. What supplies a seed plant with the things it needs to survive? a. seeds and spores b. root system and shoot system c. reproductive system and digestive system d. rhizomes and rhizoids 2. What moves water and minerals through a seed plant? c. seeds d. rhizomes 3. What moves food to all seed plant parts? c. seeds d. rhizomes (pp. 374 381) ROOTS 4. Where are most roots found? a. above ground b. in water c. underground d. in seeds Root Functions 5. What do roots supply a plant? a. protection b. sunlight c. water and minerals d. xylem and phloem 6. What holds plants tightly in the soil? a. stems b. roots c. xylem d. phloem Holt California Life Science 176 Introduction to Plants
7. Which of the following is a function of roots? a. They store food. b. They get rid of extra water. c. They capture energy from the sun. d. They release minerals. Root Structure 8. What are the cells covering a root called? a. root cap b. stem c. epidermis d. root hairs 9. What helps roots get more water? a. root tip b. stem c. root hairs d. root cap 10. What does the root cap protect? a. stem b. food supply c. root hairs d. root tip Root Systems 11. What is a root system with one main root called? a. root stem b. root cap c. taproot d. fibrous root 12. What is the name of a root system with several roots that are usually the same size? a. root stem b. root cap c. taproot d. fibrous root Holt California Life Science 177 Introduction to Plants
STEMS 13. Where are most stems found? a. in roots b. underground c. in water d. above ground Stem Functions Use the terms from the following list to complete the sentences below. water xylem support roots phloem 14. Stems the plant body. 15. Stems connect a plant s to its leaves and flowers. 16. In stems, carries water and dissolved minerals from the roots to the leaves. 17. The food made during photosynthesis is carried by to roots and other parts of the plant. 18. Some stems store. Herbaceous Stems Write the letter of the correct answer in the space provided. 19. What are stems that are soft, thin, and flexible called? c. herbaceous stems d. woody stems 20. Which of the following has a herbaceous stem? a. bean plant b. shrub c. oak tree d. pine tree Holt California Life Science 178 Introduction to Plants
Woody Stems 21. What are rigid stems made of wood and bark called? c. herbaceous stems d. woody stems 22. What is the name of a ring of dark cells surrounding a ring of light cells in a woody stem? a. wood ring b. cross section c. growth ring d. stem LEAVES Leaf Functions 23. What is the main function of leaves? a. to make food for the plant b. to help the plant reproduce c. to support the plant d. to make the plant green Match the correct description with the correct term. Write the letter in the space provided. 24. This captures energy from sunlight. 25. Leaves get this from air. 26. This is made from carbon dioxide and water. a. food b. carbon dioxide c. chloroplast Leaf Structure Match the correct description with the correct term. Write the letter in the space provided. 27. under the cuticle 28. tiny opening that lets carbon dioxide enter the leaf 29. stops water loss from a leaf a. guard cells b. cuticle c. stomata d. epidermis 30. open and close the stomata Holt California Life Science 179 Introduction to Plants
Leaf Adaptations Match the correct description with the correct term. Write the letter in the space provided. 31. modified leaves of a cactus 32. has leaves modified to catch insects a. sundew b. spines FLOWERS Write the letter of the correct answer in the space provided. 33. Why do some plants have flowers? a. for sexual reproduction b. to capture energy from the sun c. to make food d. for protection 34. What often happens when animals and insects are attracted to flowers? a. They pollinate the flowers. b. They destroy the flowers. c. They plant the flowers. d. They give food to the flowers. Sepals and Petals 35. What protects flower buds? a. roots b. petals c. sepals d. seeds 36. What parts of the flower are broad, leaflike, and attract animals? a. sepals b. petals c. roots d. seeds Stamens and Pistils 37. What is the male part of a flower called? a. pistil b. ovule c. style d. stamen Holt California Life Science 180 Introduction to Plants
38. What is the female part of a flower called? a. pistil b. filament c. anther d. stamen 39. What part of a flower contains the ovules? a. pistil b. stamen c. ovary d. filament Use the terms from the following list to complete the sentences below. stamen ovary pistil 40. The filament and anther are parts of the. 41. The stigma, style, and ovary are parts of the. 42. A fruit develops from the. The Importance of Flowers Use the terms from the following list to complete the sentences below. cloves broccoli chamomile 43. One flower that can be eaten is. 44. One flower that can be used to make tea is. 45. One flower that can be used as a spice is. Holt California Life Science 181 Introduction to Plants