OCD is not an easy disorder to treat. In fact, some people become so desperate to rid themselves of OCD symptoms that they undergo a special form of psychosurgery known as , in which a small amount of brain tissue is destroyed.

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?