In progymnosperms, microgametophytes produced and released sperm cells that could swimbut not very far. What is a
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In progymnosperms, microgametophytes produced and released sperm cells that could swim—but not very far. What is a pollen chamber and how did it help fertilization?
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A pollen chamber also known as a pollen chamber pit is a specialized structure found in certain types of plants particularly some progymnosperms and e...View the full answer
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