Natural Selection

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Across
  1. 4. a specific characteristic of an individual organism
  2. 5. an animal that hunts and kills other animals for food
  3. 6. an animal that is hunted or killed by another animal for food
  4. 8. a characteristic that all members of a species have
  5. 9. a random change to a gene that sometimes results in a new trait
Down
  1. 1. a long piece of DNA that contains many genes
  2. 2. any difference in traits between individual organisms
  3. 3. the process by which the distribution of traits in a population changes over many generations
  4. 7. an instruction for making a protein molecule