Ecosystems. Name ____________________

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Across
  1. 6. an organism that eats only plants.
  2. 7. a group of similar ecosystems
  3. 8. part of an ecosystem that includes air, water and other non-living things.
  4. 10. this moves from the sun all the way through an ecosystem.
  5. 11. what animals need that plants give off.
  6. 14. another word for rain, sleet, snow and hail.
  7. 16. a number of different organisms in an ecosystem.
  8. 17. a model that shows the transfer of energy in interlocking food chains.
  9. 19. these get their energy by eating the remains of other organisms.
  10. 20. all organisms of the same species living in the same location.
  11. 21. living things that make their own food.
Down
  1. 1. an organism that eats plants and animals.
  2. 2. an organism that only eats other animals.
  3. 3. the sum of all ecosystems on Earth.
  4. 4. a model used to show the amount of energy available in each step of a food chain.
  5. 5. a model that shows how energy moves from the Sun to producers and consumers.
  6. 9. an element that is in everything that is alive or was once alive.
  7. 12. what plants need that animals exhale.
  8. 13. plant and animal part of an ecosystem.
  9. 15. organisms that get energy by eating other organisms.
  10. 18. the cycle that includes evaporation and condensation