Ecology

1234567891011121314151617
Across
  1. 2. A group of food chains.
  2. 6. The plant and animal life of a region or area.
  3. 7. Essential requirements needed to live.
  4. 8. Organisms that make their own food.
  5. 10. To fight for resources.
  6. 11. Non-living organisms.
  7. 13. Two or more populations living in the same area.
  8. 16. The natural home or environment of an animal, plant, or other organism.
  9. 17. level The position it occupies in a food chain.
Down
  1. 1. Animals that get their energy from eating other living organisms.
  2. 3. The study of interaction with the living and non-living.
  3. 4. The animal that is hunted.
  4. 5. The transfer of energy from organism to organism.
  5. 9. A group of communities.
  6. 12. The total quantity or weight of organisms in a given area or volume.
  7. 14. An individual animal, plant, or single-celled life form.
  8. 15. Living organisms.