Environmental Science Exam

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Across
  1. 4. — An area of land where water drains to a common location.
  2. 6. — A trait that helps an organism survive.
  3. 9. — An organism hunted by a predator.
  4. 11. — Converting waste into reusable material.
  5. 14. — The permanent disappearance of a species.
  6. 16. — A relationship where one benefits and the other is unaffected.
  7. 22. — A relationship where one benefits and the other is harmed.
  8. 24. — A group of the same species living in one area.
  9. 26. — An organism that feeds on dead organisms.
  10. 27. — Using resources in a way that preserves them for the future.
  11. 29. — A cold biome with little vegetation.
  12. 32. — The average weather conditions of an area over time.
  13. 34. — An animal that eats meat.
  14. 36. — All the different populations living together in an area.
  15. 37. Rain — Rain made acidic by pollution.
  16. 38. — An organism that eats both plants and animals.
  17. 40. — Water that flows over land into bodies of water.
  18. 41. — Underground rock layers that store water.
  19. 42. — Day-to-day atmospheric conditions.
  20. 43. — A place where freshwater meets saltwater.
  21. 45. — A group of organisms of the same species living together.
  22. 46. — A community of organisms and their environment interacting together.
Down
  1. 1. — The process plants use to make food from sunlight.
  2. 2. — An organism that makes its own food, usually through photosynthesis.
  3. 3. — A relationship where both organisms benefit.
  4. 4. — Land saturated with water for long periods.
  5. 5. — Tiny organisms that float in water.
  6. 7. — An organism that breaks down dead matter and recycles nutrients.
  7. 8. — The role or job an organism has in its environment.
  8. 9. — An organism that hunts other organisms for food.
  9. 10. — The wearing away of soil and rock.
  10. 12. — A large region with a certain climate and organisms.
  11. 13. — The movement of organisms from one place to another.
  12. 15. — Preserved remains or traces of ancient life.
  13. 16. — Decayed organic material used as fertilizer.
  14. 17. — The natural home of an organism.
  15. 18. — The variety of living things in an ecosystem.
  16. 19. — The protection and careful use of natural resources.
  17. 20. — The struggle between organisms for resources.
  18. 21. — A dry biome with very little rainfall.
  19. 22. — Harmful substances entering the environment.
  20. 23. — A grassland biome with scattered trees.
  21. 25. — Simple plant-like organisms found in water.
  22. 28. — A cold forest biome with evergreen trees.
  23. 30. — A cold-blooded vertebrate with scales.
  24. 31. — An animal that eats plants.
  25. 33. — The clearing of forests.
  26. 35. — An organism that gets energy by eating other organisms.
  27. 39. — A biome with high rainfall and biodiversity.
  28. 44. — A close relationship between two species.