Natural Selection

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Across
  1. 3. Therapy When doctors inject healthy DNA to replace a persons damaged DNA
  2. 7. Has a positive affect on an organisms health
  3. 9. A group of organisms that can breed and produce a offspring
  4. 10. A certain group of living things in a specific area
  5. 11. A change of genetic makeup over time
  6. 13. A mistake or change in a living things DNA
  7. 14. Any difference between the same species
  8. 15. Has a negative affect on an organisms health
Down
  1. 1. A molecule that carries out the instructions from DNA
  2. 2. Something that carries your traits
  3. 4. Has no affect on an organisms health
  4. 5. A structure that doesn't serve any person
  5. 6. Traits seen in a certain person but not in any of their ancestors
  6. 8. A trait developed naturally to help them survive longer
  7. 12. A particular characteristic of a living thing