Biology, asked by gsk19102005, 8 months ago

why are pollen grains resistant to extremes of abiotic conditions???
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Answers

Answered by neelaaruna2020
2

Explanation:

Pollen grains are able to withstand extremes of temperature and desiccation because their exine is composed of.

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Answered by amitesh66
1

Pollen grains are able to withstand extremes of temperature and desiccation because their exine is composed of.

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