Matching list - biology

The largest unit within which gene flow can readily occur is a

What two atoms form a covalent bond a. a sodium and chlorine atom b. an iron and oxygen atom c. two oxygen atoms d. two sodium atoms apex

Cells in organisms need food, air, and waste removal. how are these needs met? a. cells get their food from the air and sunlight around them. b. organs and tissues perform these functions for the cells. c. cells share their waste with other cells. d. each cell must specialize in all of these functions.