Ecosystems

Edit Answers
123456789101112131415
Across
  1. 2. An animal that hunts and eats other animals.
  2. 5. The introduction of harmful substances into the environment.
  3. 7. An organism that makes its own food through photosynthesis.
  4. 9. The variety of life in a particular ecosystem or on Earth.
  5. 12. The struggle among organisms for resources like food and space.
  6. 14. Chain A series of organisms in which each is eaten by the next.
  7. 15. An organism that breaks down dead matter into nutrients.
Down
  1. 1. The process of wearing away soil and rock by natural forces.
  2. 3. An organism that eats other organisms for energy.
  3. 4. The number of a particular species in a specific area.
  4. 6. A characteristic that helps an organism survive in its environment.
  5. 8. The natural home or environment of an organism.
  6. 10. A community of living organisms and their environment.
  7. 11. Web A complex network of interconnected food chains.
  8. 13. An animal that is hunted and eaten by predators.