Evolution

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Across
  1. 3. reproduction, only the fittest individuals reproduce
  2. 4. adaptation, internal process to regulate homeostasis for an organism to survive
  3. 6. organisms adjust to their environment
  4. 9. selection, only the fittest survive
  5. 11. structure, features that have lost original function through evolution
  6. 13. the movement of genetic diversity within a species
Down
  1. 1. adaptation, physical changes of an organism
  2. 2. selection, humans choose organisms with certain traits for breeding
  3. 5. adaptations that prevent detection/recognition
  4. 6. structure, similar atomic structures that arose independently
  5. 7. a change in an organism's DNA
  6. 8. drift, a change in frequency of a gene variant
  7. 10. the measure of reproductive success
  8. 12. heritable change over time
  9. 13. an evolved resemblance between an organism and an object