In bryophytes and pteridophytes, transport of male gametes requires:
In bryophytes and pteridophytes, transport of male gametes requires:
Wind
Insects
Birds
Water
Solution
In bryophytes and pteridophytes, the male gametes are motile and they require water for fertilization. Their flagellated sperm must swim through water to reach the egg. So water is an essential element to complete the life cycle.