Which category of organisms depends on organic molecules as the source of both energy and carbon?

Question

Quizplus · Accepted Answer

Chemoheterotrophs depend on organic molecules as the source of both energy and carbon. Photoautotrophs use sunlight as an energy source and inorganic carbon (CO2) as a carbon source. Chemoautotrophs use inorganic molecules for energy and carbon. Photoheterotrophs use sunlight as an energy source and organic molecules as a carbon source. Nitrifiers use inorganic molecules for energy and carbon as they convert ammonia to nitrate or nitrite.

Which Category of Organisms Depends on Organic Molecules as the Source