Hello there.
Question: <span>In seed producing plants pollen grains contain what
Answer: It is vegetative cells.
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They survive without water by entering a special mode, otherwise called as shriveling. They can lose even 95% of water in their body and still live, even though they would look like dead plants, they would actually be alive. In the absence of water, tardigrades use a sugar called trehalose, which becomes their source of life until they find some water.
Answer:
A community
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