Top-shaped multiciliate male gametes,and the | vedclass

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(D) The characteristic features mentioned are: $1$. Top-shaped multiciliate male gametes (antherozoids). $2$. Mature seeds containing an embryo with t

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Cycads

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(D) The characteristic features mentioned are: $1$. Top-shaped multiciliate male gametes (antherozoids). $2$. Mature seeds containing an embryo with two cotyledons. These features are characteristic of the group $Cycads$ (e.g.,$Cycas$). $Cycas$ is a gymnosperm that produces large,top-shaped,multiciliate male gametes and seeds that contain an embryo with two cotyledons.

Top-shaped multiciliate male gametes,and the mature seed which bears only one embryo with two cotyledons,are characteristic features of

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