Natural selection

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Across
  1. 3. any difference in traits between individual organisms
  2. 4. a specific characteristic of an individual organism
  3. 6. how offspring are made
  4. 8. an animal that naturally preys on others
  5. 11. some change in a population’s environment that forces natural selection to happen
  6. 12. the number of individuals with each trait in a population
Down
  1. 1. to receive genes from a parent
  2. 2. a way of hiding in the background, blending in
  3. 5. a trait that makes it more likely that an individual will survive in a specific environment
  4. 7. a group of the same type of organism living in the same area
  5. 9. instructions for how a protein is made, related to traits
  6. 10. a random change to a gene that sometimes results in a new trait