Science - Big Idea 2 Ecosystems

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Across
  1. 4. dense upper layer of rainforest foliage
  2. 7. a group of organisms and the environment in which they live
  3. 8. being exposed, or unprotected from harsh weather conditions
  4. 9. an organism that feeds on dead plant or animal matter
  5. 10. an organism that makes its own food
  6. 13. an organism that relies on other plants and animals for food
  7. 14. to expose to air
  8. 15. the waste expelled by earthworms
  9. 17. an animal that eats both plants and other animals
  10. 20. an animal that kills and eats other animals
  11. 22. changes in an organism to become more suited to its environment
  12. 24. tallest layer of rainforest trees
Down
  1. 1. maintaining enough fluid
  2. 2. a forest with at least 80 inches of rainfall every year
  3. 3. web a network of interconnected food chains
  4. 5. an animal that eats only plants
  5. 6. chain a sequence of organisms in a community in which each member feeds on the one below it
  6. 11. a struggle between two or more organisms for a limited resource
  7. 12. an animal hunted or caught for food by another animal
  8. 16. hot, often dry grassland with scattered trees
  9. 18. a plant that grows above the ground, supported by another plant
  10. 19. an animal that eats only animals
  11. 21. layer of rainforest plants that grow beneath the canopy
  12. 23. variety