Answer:
I believe it's birth rates r high because if it's it's narrow at the top it's high death and if it's wide at bottom it's high birth rates if I'm wrong I'm sorry
Explanation:
(1) they keep toxic substances out of the cell;
(2) they contain receptors and channels that allow specific molecules, such as ions, nutrients, wastes, and metabolic products, that mediate cellular and extracellular activities to pass between organelles and between the cell and the outside environment;
(3) they separate vital but incompatible metabolic processes conducted within organelles.
Answer:
Girl bye
Explanation:do your work
Oh gagahahs and the hormymoneya re better because I am wasting your trip ma