Ecosystems

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Across
  1. 2. a series of steps by which energy moves from one type of living thing to another
  2. 4. a group of organisms of one species that live in an area at the same time
  3. 6. a consumer that hunts and eats another animal
  4. 9. organism that gets its energy by breaking down wastes and dead organisms
  5. 10. organism that cannot make its own food
  6. 12. the group of all populations in the area
  7. 13. a place that provides all the things an organism needs to live
Down
  1. 1. organism that makes its own food for energy
  2. 3. diagram that combines many food chains into one picture
  3. 4. any animal that is hunted by others for food
  4. 5. any substance that damages the environment
  5. 7. the struggle among organisms for the same limited resources
  6. 8. all the living and non-living things in a area
  7. 11. all of the conditions surrounding an organism
  8. 12. an attempt to preserve or protect an environment from harmful changes