Ecosystems Notebook Giant Crossword

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Across
  1. 1. a consumer that eats both plants and animals
  2. 6. an invasive vine introduced to the southern United States
  3. 7. tiny decomposers that return nutrients to the soil
  4. 8. an animal that eats dead organisms but does not recycle nutrients
  5. 11. a chain reaction caused by one change in an ecosystem
  6. 14. when ecosystem parts are all in the right amounts
  7. 16. an organism that breaks down dead matter and returns nutrients to the soil
  8. 21. a nonliving factor that provides nutrients for plants
  9. 22. a term used to describe nonliving parts of an ecosystem
  10. 23. substances in soil (returned by decomposers) that help plants grow
  11. 26. a term used to describe living parts of an ecosystem
  12. 27. a consumer that eats only animals
  13. 28. a group of connected food chains
  14. 31. what living things need to grow, move, and survive (it's transferred in food chains and food webs)
  15. 32. a consumer that eats only plants
  16. 33. a type of decomposer that helps break down dead plants and animals
Down
  1. 2. a living thing introduced where it does not naturally belong
  2. 3. things organisms need to survive like food, water, and space
  3. 4. a long period with little or no rain
  4. 5. an animal that hunts other animals for food
  5. 9. something that changes an ecosystem from the outside
  6. 10. an event where land is covered with too much water
  7. 12. a simple, straight path that shows how energy moves between organisms
  8. 13. harmful materials that enter air, water, or soil
  9. 15. a symbol used to show the direction energy moves
  10. 17. an animal that is hunted and eaten by another animal
  11. 18. an organism that makes its own food using energy from the Sun
  12. 19. the number of members of one species living in the same area
  13. 20. the first source of energy for any ecosystem on Earth
  14. 24. a place where living and nonliving things work together
  15. 25. the variety of different living things in an ecosystem
  16. 29. an abiotic factor needed by all living things
  17. 30. an organism that must eat plants or animals to get energy