Ecosystems Terminology Crossword

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Across
  1. 3. A living thing in an ecosystem that must feed on other organisms in order to supply its food needs
  2. 4. An example of a herbivore
  3. 5. A non-living thing in an ecosystem
  4. 7. An example of a omnivore
  5. 8. An active demand by two or more organisms or kinds of organisms for some environmental resource in short supply
  6. 14. A consumer that breaks down the dead plants, animals and waste products in an ecosystem
  7. 17. A living element
  8. 18. The rapid expansion of a species into regions where it had not previously existed
  9. 19. A series of types of living things in which each one uses the next lower member of the series as a source of food
Down
  1. 1. A whole group of interacting food chains in an ecological community
  2. 2. An animal that eats only other animals
  3. 6. The process by which a green plant turns water and carbon dioxide into food when the plant is exposed to light
  4. 9. An animal that is hunted or killed by another animal(predator) for food
  5. 10. A group of individuals of the same species
  6. 11. An organism that feeds on organic waste
  7. 12. An animal that lives by killing and eating other animals: an animal that preys on other animals
  8. 13. An animal that only eats plants
  9. 15. An animal that eats both plants and other animals
  10. 16. A living element in an ecosystem that produces its own food
  11. 20. An example of a carnivore