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Question
In bryophytes and pteridophytes, transport of male gamete requires :
In bryophytes and pteridophytes, transport of male gamete requires :
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Solution
The correct option is D Water
In bryophytes and pteridophytes, transport of male gamete requires water. The male gametes of bryophytes and pteridophytes are motile and can swim through water with the help of their flagella. They are transferred to the female reproductive organ for fertilsation.
The male gametes , produced by reproductive structures called antheridia, are free-swimming sperm cells that need water to transport them to the female gametes, which are enclosed within structures called archegonia.
Because of the need for water, bryophytes are especially common in wet habitats such as bogs, streambanks, and in moist forests. However, they are not restricted to these habitats, and some mosses thrive in deserts, above the treeline, and in the Arctic tundra.
Hence the correct option is D.
In bryophytes and pteridophytes, transport of male gamete requires water. The male gametes of bryophytes and pteridophytes are motile and can swim through water with the help of their flagella. They are transferred to the female reproductive organ for fertilsation.
The male gametes , produced by reproductive structures called antheridia, are free-swimming sperm cells that need water to transport them to the female gametes, which are enclosed within structures called archegonia.
Because of the need for water, bryophytes are especially common in wet habitats such as bogs, streambanks, and in moist forests. However, they are not restricted to these habitats, and some mosses thrive in deserts, above the treeline, and in the Arctic tundra.
Hence the correct option is D.
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