Biologists sometimes divide living organisms into two groups: autotrophs and heterotrophs. These two groups differ in ________.
A) their sources of carbon
B) their electron acceptors
C) their mode of inheritance
D) the way that they generate ATP

Question

Quizplus · Accepted Answer

Autotrophs make their own organic molecules (carbon-containing molecules) from inorganic sources, while heterotrophs rely on consuming organic molecules made by other organisms. The other choices (B, C, and D) are not accurate distinctions between autotrophs and heterotrophs.

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