natural selection

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Across
  1. 1. the changing or a structure of a gene
  2. 3. adaptions that prevent being detected
  3. 5. the father of natural selection
  4. 6. a group of living organisms
  5. 10. of evolution, the idea that all species are related.
  6. 12. all different in some way
Down
  1. 2. the action or process of adapting or being adapted.
  2. 4. selection, similar to survival of the fittest
  3. 7. to develope gradually especally from a simple to a more complex form.
  4. 8. to get something from someone or something else
  5. 9. you think of it like a hypothesis
  6. 11. pioneering french biologist