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5 Written questions

5 Multiple choice questions

  1. When one organism benefits and the other organism is harmed in their relationship.
  2. The largest number of individuals of a particular species that an ecosystem can support over time.
  3. A close relationship between species.
  4. An organism that uses an outside source of energy to create food.
  5. The study of the interactinos that take place among organisms and their environment.

5 True/False questions

  1. NicheThe unique ways that an organism survives in an ecosystem. Includes obtaining food and shelter, and avoiding danger.

          

  2. ConsumerAn organism that obtains its food by eating other organisms. They can't create their own.

          

  3. CommensalismWhen one organism benefits and the other organism is not affected by their relationship.

          

  4. BiosphereAn organism that obtains its food by eating other organisms. They can't create their own.

          

  5. CommunityAll of the populations of different species that live in an ecosystem.