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what is a seed habit ?

The seed habit is the most complex and evolutionary successful method of sexual reproduction found in vascular plants.Since their first appearance in the late Devonian, seeds plants have come to dominate almost every terrestrial ecosystem.They also encompass a greater range of habit than any other group of Tracheophytes.The ecological diversity of this group generally is attributed to their reproductive system, which permits these plants to exploit habitat not accessible to most lower vascular plants.  Today, seed plants, gymnosperms and angiosperms are by far the most diverse lineage within the vascular plants . Most of this diversity is accounted for by the angiosperms and Charles Darwin described the rapid rise and early diversification within the angiosperms during the Cretaceous time as 'an abdominable mystery' . The seed plants have an adaptive advantage, occur in a wide variety of habitats and dominate today's flora. This evolutionary success is, at least in part, due to the seed, which is one of the most dramatic innovations during land plant evolution.


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