Biologists sometimes divide living organisms into two groups: autotrophs and heterotrophs. How do these two groups differ?
A) They use different sources of carbon.
B) They use different electron acceptors.
C) They use different sources of energy.
D) They differ in the way they generate ATP.

Question

Quizplus · Accepted Answer

Autotrophs use carbon dioxide as their carbon source, while heterotrophs obtain carbon from organic compounds.

Biologists Sometimes Divide Living Organisms into Two Groups: Autotrophs and Heterotrophs