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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. series of steps in an ecosystem in which organisms transfer energy by eating and then being eaten.

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

2 True/False questions

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


  2. decomposer
    organism that relies on other organisms for its energy and food supply; also called a heterotroph