Natural selection

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Across
  1. 3. Having natural characteristics that help an organism survive long enough to reproduce
  2. 4. 1st person to propose theory of natural selection
  3. 6. Descendent you share
  4. 9. individuals best suited to an environment tend to survive long enough
  5. 10. Separation due to time
Down
  1. 1. seperation due to landforms
  2. 2. Seperation due to organisms
  3. 5. Change over time
  4. 7. Explanation with evidence, but it is not factual
  5. 8. Characteristics that helps to survive and reproduce