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pjaju
@pjaju
June 2023
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pollen grains of zostera Marina, a totally submerged Marine angiosperm float below the surface of water. why?
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swastikverma5270
Answer:
the marine angiosperm, the pollen grains are long ribbon-like and without exine. They have some specific gravity as that of water. The pollen grains can therefore, float below the surface of water. This helps in their pollination.
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Answers & Comments
Answer:
the marine angiosperm, the pollen grains are long ribbon-like and without exine. They have some specific gravity as that of water. The pollen grains can therefore, float below the surface of water. This helps in their pollination.