natural selection

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Across
  1. 3. an animal that hunts and kills other animals for food
  2. 7. an event or process that leads to a result or change
  3. 8. any difference in traits between indivudal organisms
  4. 9. a specific characteristic of an individual organism
  5. 10. to receive genes from a parent
Down
  1. 1. a random change to a gene that sometimes results in a new trait
  2. 2. an instruction for making a protein molecule
  3. 4. an organism produced as a result of reproduction
  4. 5. a related organism from a previous generation
  5. 6. to stay alive