All mammals have hair because they inherited that trait from a common ancestor. features that are inherited from a common ancestor are called:

Why do carbohydrate molecules function so well as fuel for the body?

What must be true for natural selection to heppen

4. if a cell is placed inside a solution that has a higher concentration of solute than on the inside of the cell, what can be said about the movement of water? a. water will move out of the cell, causing it to shrivel. b. water will move in and out of the cell at the same rate. c. water will move out of the cell, causing it to swell. d. water will move into the cell, causing it to swell.