Environmental systems

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Across
  1. 3. Non Living things of matter
  2. 6. group of individuals of the same species
  3. 8. factors affect a population regardless of its size.
Down
  1. 1. Maximum number
  2. 2. limiting factors limiting factors
  3. 4. number of individuals in a population per area
  4. 5. a factor that controls the growth of a population
  5. 7. Living things