20. Discuss the adaptations that have enabled flowering plants to overcome the following problems associated with life on land. a. The absence of an aquatic environment for reproduction b. The absence of an aquatic environment to support the plant body c. Dehydration of the plant
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Flowering plants have developed adaptations that allow them to reproduce on land. Show more…
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10. The table below lists challenges plants faced as they moved from an aquatic environment onto land. Match each adaptation of land plants with the challenge presented. Adaptations: 1) True roots and rhizoids, 2) cuticle, 3) pollen and seeds, 4) xylem and phloem, 5) flavonoid pigments, 6) stomata, 7) larger and some with woody stem. Challenge Adaptation Cellular damage from increased UV light Water loss and desiccation Gas exchange without water loss Access to nutrients... ...and a system to distribute them Structural support for growth Reproduction without water
Sri K.
1. What adaptations do plants have that allow them to survive on land? (hint: this might be easiest for you to approach if you start with algae and work up to flowering plants - how is each plant "level" unique?) 2. How did the development of a vascular system contribute to the increase in size of plants? 3. Pollinators are on the decrease world wide. How do you think this will impact the evolutionary trajectory of plants?
21. What adaptation prevents the shoot (above-ground) from drying out in terrestrial plants? 22. What allows ferns to grow taller than mosses and liverworts? 23. What characteristic is found in conifers and flowering plants that frees them from water during sexual reproduction? 24. Give two ways animals function to increase reproductive success in flowering plants. 1. 2.
Maitreya E.
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