Whether an Organism is Classified as a Photoheterotroph or a Photoautotroph

Question

Whether an organism is classified as a photoheterotroph or a photoautotroph depends on its
A) energy source.
B) carbon source.
C) oxygen requirements.
D) carbon and energy sources.

Accepted Answer

Whether an organism is a photoheterotroph or a photoautotroph depends on its carbon source. Photoheterotrophs use organic compounds as their carbon source, while photoautotrophs use carbon dioxide as their carbon source. The energy source for both types of organisms is light.