Question

Which of the following can be labeled as autotrophs?

A. Detritivores
B. Primary producers
C. Scavengers
D. Carnivores

Answer 1

Only B. Primary producers

FYI: detritivores are decomposers, scavengers can be carnivores or herbivores, and carnivores primarily eat other animals. Think "producers produce food" to eat, i.e. plants (fruits and vegetables).

Answer 2

B. Primary producers