General Review and Application Questions Question 7. Enumerate the importance of gymnosperms and angiosperms for the welfare of human population. Question 8. Elaborate how flowers, fruits and seeds enhanced the adaptation of land plants. Question 9. Describe the pros and cons of growing genetically improved cultivars from international agricultural research centers by local farmers around the world. Question 10. As you have noted in this lab, the major food crops of the world all are monocots that provide mostly starch for human diet. What other crops that could supplement protein should be listed and studied along these crops you think from the clue perhaps given in this lab?
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The importance of gymnosperms and angiosperms for the welfare of the human population can be enumerated as follows: - **Food source**: Both gymnosperms and angiosperms provide a variety of food sources for humans, including fruits, vegetables, grains, and nuts. - Show more…
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1. Explain why seedless vascular plants need water for their reproduction. 2. Locate sori at the bottom of a fern leaf. What do sori contain? How are they produced? 3. How is a gametophyte produced in ferns? 4. How does the life cycle of a fern differ from that of bryophytes? 5. Why are gymnosperms said to have bare seeds? 6. What does the pollen grain contain? Is it haploid (N) or diploid (2N)? 7. What are the advantages of heterospory over homospory? 8. What is the evolutionary advantage of the pollen grain? 9. What is the difference between pollination and fertilization? 10. What is the evolutionary advantage of the seed? What does the seed contain? 11. What evolutionary advantages do angiosperms have? 12. Briefly explain how the double fertilization process occurs in angiosperms.
Adi S.
Questions for Further Study and Inquiry 1. What is meant by "double fertilization"? 2. What features of seeds and fruits have enabled angiosperms to become so widespread? 3. What are the similarities and differences between cones and flowers? 4. What is the difference between a fruit and a vegetable? 5. In what ways does human welfare depend on seed plants? 6. How can you distinguish a monocot from a eudicot? 7. How are insects such as bees important for the reproduction of angiosperms? 8. What advantages do flowers give angiosperms over gymnosperms? 9. Draw three fruits (including one dry fruit) that you observed in lab. Describe a probable method for dispersal of each. 10. What are the major parts (and their functions) of a flower?
Sri K.
1. Which of the following statements best describe the difference between angiosperms and gymnosperms? A. Angiosperms produce cones to protect their seeds; gymnosperm seeds are surrounded by fruit. B. Gymnosperms include fruit trees and ginkgos; angiosperms include conifers, spruces, and firs C. Gymnosperms are mostly adapted for wind pollination; angiosperms are mostly adapted for animal pollination. D. Angiosperms were the first to colonize land; Gymnosperms developed later than the more primitive angiosperms. 2. The outer covering of some land plants that helps slow water loss is called: A. Chlorophyll B. Chitin C. Cuticle D. Stomata 3. What adaptation of land plants helps it to control gas exchange with the atmosphere? A. Chitin B. Cuticle C. Stomata D. Chlorophyll 4. A plant that remains low to the ground and grows in moist conditions is most likely what type of plant? A. Vascular B. Nonvascular C. Angiosperm D. Gymnosperm 5. Terrestrial plants contain lignin to support the plant and vascular tissue to transport water and nutrients through the plant. What are these adaptations in response to? A. Heat B. Gravity C. Dryness D. Gas exchange
Madhur L.
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