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6 Written questions

5 Multiple choice questions

  1. Process by which some organisms, such as certain bacteria, use chemical energy to produce carbohydrates
  2. Process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates such as sugars and starches
  3. Organism that obtains energy by eating only plants
  4. A series of steps in which organisms transfer energy by eating and being eaten
  5. Organism that breaks down and obtains energy from dead organic matter

5 True/False questions

  1. HeterotrophOrganism that obtains energy from the foods it consumes; also called a consumer


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


  3. DetritivoreOrganism that obtains energy by eating only plants


  4. Food WebNetwork of complex interactions formed by the feeding relationships among the various organisms in an ecosystem


  5. BiomassTotal amount of living tissue within a given trophic level


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