Environmental Bio

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Across
  1. 3. separation of an organism
  2. 4. ability to pass genes
  3. 5. unit of hereditary
  4. 8. best adapted survival
  5. 10. adjusting
  6. 11. frequency of different genotypes
Down
  1. 1. preserved remains
  2. 2. changing gene structure
  3. 6. growth and development
  4. 7. formation of species
  5. 9. species death