Natural Selection

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Across
  1. 2. a group of the same type of organism living in the same area
  2. 7. any difference in traits between individual organisms
  3. 8. type of trait that makes it more likely that an individual will survive in a specific environment
  4. 9. the process by which the distribution of traits in a population changes over many generations
  5. 10. a group of individuals born and living at about the same time
  6. 11. a specific characteristic of an individual organism
Down
  1. 1. the number of individuals with each trait in a population
  2. 3. everything (living and nonliving) that surrounds an organism
  3. 4. type of trait that makes it less likely that an individual will survive in a specific environment
  4. 5. a characteristic that all members of a species have
  5. 6. an instruction for making a protein molecule