Question

Millions and billions of tiny pollen grains are produced. why?​

Answer 1

Explanation:

Pollen grains are usually produced in large numbers because the possibility of the pollen grains ( male gamate ) fusing with the female gamate is very less . The pollen grains may or may not reach the female reproductive system. Hence more the produce of pollen grains more the possibility of fertilization.

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Answer 2

Answer:

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