Science

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Across
  1. 3. Change in DNA
  2. 5. when an animal or plant is modified by humans
  3. 6. Part of the DNA that codes for physical traits
  4. 8. the reproductive success of an organism in its environment
  5. 9. the extinction of a species
  6. 10. Biological evolution that occurs by chance
  7. 11. the process that improved a species fitness
Down
  1. 1. The process that transmits helpful traits to a generation of species
  2. 2. Genetic change over time
  3. 4. an individuals role in their environment
  4. 7. The creation of a new species