Natural Selection

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Across
  1. 2. Name of Darwin's boat
  2. 4. One contributing factor to genetic variation
  3. 9. An inheritable characteristic that increases an organism's fitness
  4. 10. How well an organism can survive and reproduce in its environment.
  5. 11. Sometimes helpful traits are passed along and sometimes they aren't.
Down
  1. 1. The concept that states all living things show differences in traits
  2. 3. All populations have the potential to produce more offspring than can survive.
  3. 5. Islands Darwin made most of his observations in
  4. 6. When resources are limited this can decrease survival rates.
  5. 7. Scientist who also published his findings on Natural Selection but was not as famous as Darwin.
  6. 8. Darwin noticed these birds' beaks were different on different islands.