What do members of a population have in common? Select all that apply. O A. They have the same density.
B. They are the same size.
C. They live in the same area.
D. They are the same species.
E. They live at the same time.

E. They live at the same time.

D. They are the same species.

answer: accepted answer: aquatic animals use the oxygen dissolved in water to carry out respiration. since the amount of dissolved oxygen in water is low as compared to the amount of oxygen in the air, therefore the rate of breathing in aquatic animals is much faster than it is in terrestrial animals.

explanation:

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.