How would knowing the type of agent/organism causing disease be for diease treatment/prevention?

Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this

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?

Describe the two types of vascular tissue