Help please this is biology unit 1 test and i’m going to be posting the questions i need help with soo

What did the first language sound like

The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?

Is genetic diversity the same as genetic variation?