Natural Selection

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Across
  1. 3. two or more members of the same species living in a habitat
  2. 5. a trait that is beneficial to an organism and will likely be chosen for natural selection
  3. 6. organisms of the same species at the same level of a common ancestor
  4. 9. natural selection usually happens over a very _______ period of time
  5. 10. an organism gets better used to it's environment
Down
  1. 1. group of organisms with similar characteristics that are able to reproduce
  2. 2. the trait that is not chosen and becomes less and less in the population
  3. 4. a characteristic of an organism
  4. 7. where organisms best fit for the environment are more likely to survive and reproduce
  5. 8. the chosen trait that survives and becomes most common