Scientists Use Trophic Cycles to Study the Flow of Matter

Multiple Choice

Scientists use trophic cycles to study the flow of matter in an ecosystem by observing feeding relationships between organisms.Which of the following statements is most correct regarding the terminology used in trophic cycles?

A) It is incorrect to refer to an omnivore as a heterotroph.
B) The terms herbivore and autotroph mean the same thing.
C) Labeling a carnivore as a heterotroph would be correct.
D) Autotrophs can be correctly labeled as primary consumers.
E) Primary producers would include the heterotrophic species.