Multiple choice

An organism that uses organic coumpounds for energy and carbon is a:

  1. photoautotroph

  2. photochemotroph

  3. chemoautotroph

  4. chemoheterotroph

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Chemoheterotrophs derive both their energy and their carbon from organic compounds. Photoautotrophs use light and CO2, while chemoautotrophs use inorganic chemicals and CO2.