20
QuizMultiple Choice

Human Impact on the Environment — Unit test

Question 20 • SC332 Environmental Science B

Which statement best compares consumers and decomposers?

Answer
A
Both get their energy by feeding on other organisms.
B
Both get their energy by photosynthesizing.
C
Consumers feed on other organisms, and decomposers make their own food.
D
Consumers make their own food, and decomposers feed on other organisms.

Explanation

Consumers obtain energy by eating other organisms. Decomposers, such as fungi and many bacteria, obtain energy by breaking down dead organisms and waste, so they also rely on other organisms rather than making their own food. Therefore, choice A, “Both get their energy by feeding on other organisms,” best compares them.

AI-written and checked against the verified answer.

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