Question

explane the dispersal of seed by water with an example​

Answer 1

Seeds dispersed by water are contained in light and buoyant fruit, giving them the ability to float. Coconuts are well known for their ability to float on water to reach land where they can germinate. Similarly, willow and silver birches produce lightweight fruit that can float on water.
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Answer 2

Explanation:

plant leave their male gamates in the water so they can reach to the female part of the plant by passive way because the male gamates OF THE plant which lay in the water are immotile eg of this is vallersenia