When two or more populations use the same resources, such as the same food source O energy storage molecule
O competition
O consumer population
O resource population

Competition

Explanation:

Competition arises whenever two or more parties strive for a common goal which cannot be shared: where one's gain is the other's loss. Competition includes rivalry between entities such as organisms, individuals, economic and social groups, etc. Hope this helps!

the function of the protein macromolecule is to move things in and out of the cell and transport other molecules in the body. there are many functions of proteins. they are the basic building blocks of living things and are responsible for the growth and repair of body cells and tissues.

explanation:

i believe the answer is c