Major trend in the evolution of land based plants

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Question: Determine the major trend in the evolution of land-based plants, starting from nonvascular plants to seed plants?

Question: How does the female gametophyte in angiosperms differ from the female gametophyte in gymnosperms? Name at least three differences

 

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Major trend in the evolution of land based plants : Determine the major trend in the evolution of land-based plants, starting from nonvascular plants to seed plants?
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