Ecology Crossword

12345678910111213141516171819202122232425262728293031323334
Across
  1. 1. When nature recovers after something is destroyed
  2. 3. Changing to meet a need
  3. 4. An animal that eats dead animals left behind
  4. 5. The study of interactions of living things in the environment
  5. 6. Animals that eat both plants and meat
  6. 9. Shows the flow of energy through an ecosystem
  7. 14. All the different food chains connected together in one place
  8. 16. Hot, melted rock that comes out of the Earth
  9. 22. Animals that eat only meat
  10. 24. An animal whose presence changes how the whole ecosystem works
  11. 25. The order of who eats who in nature
  12. 28. Organisms that eat dead plants and animals and break them down
  13. 29. A huge rock from space that can hit Earth
  14. 30. When water vapor cools down and forms clouds
  15. 31. A big, sudden event in nature that can cause destruction to an area
  16. 32. When plants start growing on bare rock for the first time
  17. 33. The cycle that moves nitrogen from air to soil through bacteria
  18. 34. Animals that only eat plants
Down
  1. 2. A community that has stopped changing and is fully grown
  2. 7. The way oxygen moves through the air and into living things
  3. 8. Anything that is alive
  4. 10. When water turns into an invisible gas and floats up into the air
  5. 11. Anything that is not alive (like rocks, water or air)
  6. 12. The path that carbon takes as it moves through nature and living things
  7. 13. A living thing that makes its own food using sunlight
  8. 15. An animal or plant from another place that causes problems in a new home
  9. 17. The way bacteria help put nitrogen from the air into the soil
  10. 18. All the different types of life in one area
  11. 19. All the living and nonliving things in one area and how they interact
  12. 20. A long time with very little rain
  13. 21. Water that falls from clouds as rain or snow
  14. 23. A first plant or animal to live in a bare, empty are
  15. 26. An animal or plant that naturally belongs in an area
  16. 27. A big, uncontrolled fire in forests or grasslands
  17. 30. A living thing that eats other living things