Natural Selection

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Across
  1. 3. the number of individuals with each trait in a population
  2. 4. a trait that makes it more likely than an individual will survive in a specific environment
  3. 7. event or process that leads to an result or change
  4. 8. a result or change that happens because of an event or process
  5. 9. a piece of DNA that contains many genes
Down
  1. 1. a characteristic that all members of a species have
  2. 2. everything living and nonliving that surrounds and organism
  3. 5. a type of molecule that genes and chromosomes are made of
  4. 6. a related organism from a previous generation