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How do nonreproductive adaptations of flowering plants differ from those of gymnosperms?
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- What are the four modern-day groups of gymnosperms?Which of the following traits characterizes gymnosperms? a. The plants carry exposed seeds on modified leaves. b. Reproductive structures are located in a flower. c. After fertilization, the ovary thickens and forms a fruit. d. The gametophyte is longest phase of the life cycle.What is an ovule and what are integuments? What is different between gymnosperms and angiosperm in regard to integument?
- What is the difference of life cycles between gymnosperms and angiosperms?What is the present understanding about the origin of flowering plants, and the classification of angiosperms into "monocots" and "dicots", based on most recent evidences?What are brood bodies? What allowed seedless vascular plants to grow tall? What characteristics distinguish them as a grade? What structures make vascular tissue? What is the difference between roots and rhzoids?