Ecosystems

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