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1. It forms the male or micro gametophyte.
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1. It forms the female or mega gametophyte.
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2. It is the first cell of male gametophyte.
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2. It is the first cell of female gametophyte.
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3. In angiosperms the microgametophyte develops into pollen grains.
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3. In angiosperms the megagametophyte develops into embryo sac.
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4. In gymnosperms the micro gametophyte produces the sperms.
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4. In gymnosperm the mega gametophyte produces the archegonium.
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5. The microspores are smaller in size.
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5. The megaspores are larger in size.
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6. In gymnosperms the microspores are produced inside a protective structures called as the microsporangium.
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6. In gymnosperms the megaspores are produced inside a protective structures called as the megasporangium.
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