Ontario Grade 9 Science Class Practice Exam

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What does a consumer do in an ecosystem?

  1. Produces its own food

  2. Obtains energy by eating other organisms

  3. Breaks down dead material

  4. Absorbs sunlight

The correct answer is: Obtains energy by eating other organisms

A consumer in an ecosystem is an organism that obtains energy by consuming other organisms. Option A is incorrect because producers, not consumers, are responsible for producing their own food through photosynthesis. Option C is incorrect because decomposers, not consumers, are responsible for breaking down dead material. Option D is incorrect because consumers do not absorb sunlight, as they are unable to perform photosynthesis.

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