natural selection crossword

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Across
  1. 3. any difference in traits between individual organisms
  2. 6. a long piece of dna that contains many genes
  3. 7. a characteristic that all members of a species have
  4. 8. a group of individuals born at about the same time
  5. 10. a specific characteristic of an individual organism
  6. 11. to stay alive
Down
  1. 1. an animal that is hunted or killed by another animal for food
  2. 2. an instruction for making a protein molecule
  3. 4. a related organism from a previous generation
  4. 5. a young insect that looks somewhat different from the adult
  5. 9. living things, such as plants, animals, bacteria