Ecosystems and Food Chains
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Questions and Answers

Which of these is part of an animal's ecosystem?

  • B. turtle (correct)
  • A. penguin
  • D. cactus
  • C. chicken

    • What do decomposers do when they feed on dead organisms?

  • B. The decomposers give off oxygen.
  • A. The decomposers die.
  • C. The decomposers break down the dead organisms and put nutrients into the soil for other organisms. (correct)
  • D. The decomposers move up one level in their food chain.

    • Where do plants get their energy from?

  • A. the soil.
  • D. other plants.
  • B. the sun. (correct)
  • C. the air.

    • What would happen if decomposers were removed from an ecosystem?

    <p>D. There would be fewer nutrients and minerals.</p> Signup and view all the answers

    If the food supply for mice in a field decreases, what will happen to the mouse population?

    <p>B. decrease</p> Signup and view all the answers

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