natural selection

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Across
  1. 3. natural home
  2. 4. eat the prey
  3. 5. the whole group of organisms
  4. 7. human-involved selection
  5. 8. the origin of heredity
  6. 10. is a living thing
Down
  1. 1. babies
  2. 2. survival of the fittest
  3. 6. that you get from genes
  4. 9. the person who discovered natural selection