The aquatic ancestry of bryophytes is best de | vedclass

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(B) The aquatic ancestry of bryophytes is best demonstrated by the presence of flagellated male gametes (antherozoids). These male gametes require a f

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Flagellated male gametes

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(B) The aquatic ancestry of bryophytes is best demonstrated by the presence of flagellated male gametes (antherozoids). These male gametes require a film of water to swim towards the female gamete (egg) for fertilization. This dependency on water for the process of fertilization is a primitive trait inherited from their aquatic ancestors,which is why bryophytes are often referred to as the 'amphibians of the plant kingdom'.

The aquatic ancestry of bryophytes is best demonstrated by:

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