Biological evolution is the process through which the characteristics of organisms change over successive generations, by means of genetic variation and natural selection. hope that helps
Your answer to your Question is ...A: deep
These currents move water masses through the deep ocean—taking nutrients, oxygen, and heat with them. Occasional events also trigger serious currents.
Anything that the cell does require energy also known as ATP so the process of breaking down ATP uses ATP and vice versa
Contour: Gives the bird its stream line shape.
<span>Down feathers: Keeps the bird warm.</span>
