7-6-3

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Across
  1. 4. an autotroph, uses energy to make food.
  2. 5. the place where an organism lives within an ecosystem.
  3. 6. a consumer that only eats plants.
  4. 10. an organism that gets energy and nutrients by breaking down the remains of other organisms.
  5. 11. the ability to do work and enables organisms to use matter in life processes.
  6. 13. the movement of water between the oceans, atmosphere, land, and living things.
  7. 15. anything that has mass and takes up space.
  8. 16. the movement of nitrogen between the environment and living things.
Down
  1. 1. shows the feeding relationships among many different organisms in an ecosystem.
  2. 2. a consumer that eats other animals.
  3. 3. a consumer that eats both plants and animals.
  4. 7. a tool that can be used to trace the flow of energy through an ecosystem.
  5. 8. an organism that eats other organisms.
  6. 9. the path of energy transfer from producers to consumers.
  7. 12. carbon moves through organisms and between organisms and the physical environment.
  8. 14. a community of living organisms and their nonliving environment.