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3 Written questions

3 Multiple choice questions


  1. links all the food chains in an ecosystem; it shows all the feeding relationships between the organisms present

  2. organism that makes its own food using energy from sunlight or chemicals; also called an autotroph

  3. an organism that gets energy by breaking down the remains of dead organisms or wastes

2 True/False questions

  1. trophic level
    each step in the movement of energy through an ecosystem

          

  2. photosynthesis
    process by which plants and some protists use light energy to make food from water and carbon dioxide

          

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