key words

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Across
  1. 3. specific area where something lives
  2. 5. interaction of biotic and abiotic factors
  3. 7. different organism living in the same environment
  4. 8. living components of an environment that interact with abiotic factors
Down
  1. 1. non-living physical and chemical parts of an environment
  2. 2. biotic and abiotic surroundings
  3. 4. number of individual species
  4. 6. study between living things and their environment