Natural Selection

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Across
  1. 1. Individuals do this to fit their environment
  2. 3. Made up of DNA
  3. 6. A distinguishing feature or characteristic
  4. 9. Difference among individuals
  5. 10. Describes an individual's ability to survive and reproduce
Down
  1. 2. A famous naturalist
  2. 4. To gradually develop and advance
  3. 5. A set of volcanic islands
  4. 7. Has four legs and a hard shell
  5. 8. A small type of bird