Compare and contrast how the proportion "better" and "inferior" trait changes over time in a environment. please explain

Anybody who knows ap biology, can you friend or message me

What is turgor pressure, what causes it, and what does it do for a plant?

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?