Which of the following is TRUE about consumers?

A. They are autotrophs.
B. They make their own food.
C. They include plants and some algae
D. They feed on other living organisms.

D:       consumers feed on other living organisms

Explanation:

Consumers are usually at thetop of the food chain and eat othere animals. Hope this helps

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.