Geography

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Across
  1. 2. removal of trees (human action)
  2. 4. variety of living organisms found in an environment
  3. 6. living factors in an ecosystem
  4. 7. dying out - end of the species
Down
  1. 1. non-living factors in an ecosystem
  2. 3. specific place on the Earth (both animate and inanimate things)
  3. 5. complex community made up of living organisms