Mastering Biology Practice Test

If an organism is a primary consumer, what does it feed on?

Producers Herbivores Carnivores Detritivores

Correct Answer:

Producers

Explanation:

Primary consumers feed on producers. Producers such as plants and algae capture light energy and form the base of the food web. Herbivores are organisms that eat those producers, making them primary consumers. Carnivores eat other animals, detritivores consume dead organic matter, and producers are the energy source, not the consumer level. So the correct description is herbivores.

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