The evidence for the aquatic origin of bryoph | vedclass

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(A) The evidence for the aquatic origin of bryophytes is the presence of ciliated (flagellated) sperms (antherozoids). In bryophytes,water is essentia

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Ciliated sperms

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(A) The evidence for the aquatic origin of bryophytes is the presence of ciliated (flagellated) sperms (antherozoids). In bryophytes,water is essential for fertilization because the antherozoids require a liquid medium to swim towards the archegonia to reach the egg. This dependency on water for the process of fertilization is a primitive trait inherited from their aquatic ancestors.

The evidence for the aquatic origin of bryophytes is:

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