4) Which developments in the evolution of plants allowed them to grow tall? Now choose from one of the following options Why? a The sporophyte became the dominant phase of the life cycle. b The plants developed real leaves. c The plants developed tracheids. d The plants developed roots. Comes from 25.4 Seedless Vascular Plants
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How did the evolution of seed plants change the different forms in the life cycle of plants? dominant sporophyte generation and microscopic gametophyte within sporophyte dominant gametophyte generation and microscopic sporophyte within gametophyte dominant sporophyte generation with large, separate gametophyte bodies dominant gametophyte generation with large, separate sporophyte bodies
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Seed plant evolution is also notable for which of the following adaptive feature or features? a. pollination by means of water b. woody (secondary) growth by way of a lateral meristem c. relatively little increase in sporophyte body size over ancestral seedless plants d. liberation of free microspores as part of the life cycle e. a seasonal loss of all leaves
Over the evolutionary history of plants: a) the sporophyte has become smaller, though more independent. b) the gametophyte and sporophyte have grown increasingly independent of each other. c) there has been a trend toward gametophyte dominance. d) there has been a trend toward gametophyte dependence on the sporophyte. e) the gametophyte has become larger, though more dependent.
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