Natural selection

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Across
  1. 2. change in a genetic sequence
  2. 4. the change of organisms to their environment in order to survive
  3. 5. different characteristics
  4. 6. known for his theory of inheritance of acquired characteristics
  5. 8. orderly and gradual change or development
  6. 10. thought out explanation
  7. 11. the idea that all species are related and gradually change over time
Down
  1. 1. what organisms use to disguise their appearance
  2. 3. the process through which population of living organism adapt and change
  3. 7. a set of organisms
  4. 9. known for his theory of evolution by natural selection