Unit 3 Vocabulary

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Across
  1. 2. a result or consequence of a cause
  2. 3. the addition of a substance(s) to an environment as a result of human activity
  3. 5. an animal that lives by killing and eating other animals
  4. 9. surroundings in which a person, animal, or plant lives
  5. 10. an organism that eats only meat
  6. 12. an area of land that is drained by a river or other body of water
  7. 13. the reason for an action or condition
  8. 14. an organism that eats only plants
  9. 15. the place where an animal or plant naturally lives or grows
  10. 16. an organism that must eat other organisms to survive
Down
  1. 1. when a species has died out completely
  2. 4. animals,plants, or single cell life forms
  3. 5. an animal that is hunted or killed by another animal for food
  4. 6. an organism that eats plants and meat
  5. 7. the act of cutting down or burning all of the trees in an area
  6. 8. an organism that creates its own food using sunlight
  7. 9. a group of living things in an environment
  8. 11. a small body of water set off from the ocean