Natural selection

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Across
  1. 3. Any living thing
  2. 5. A trait that helps an organism live better in its environment
  3. 7. To stay alive
  4. 9. The young or babies of living things
  5. 13. traits  Features passed from parents to offspring
  6. 15. Change in living things over time
  7. 16. A change in DNA that can create new traits
Down
  1. 1. variation  Differences in DNA that make individuals unique
  2. 2. ancestor  An older species that two or more species came from
  3. 4. Darwin  Scientist who explained evolution by natural selection
  4. 6. To make more of the same kind of organism
  5. 8. The surroundings where an organism lives
  6. 10. selection  Process where the best-adapted organisms survive and reproduce
  7. 11. A group of similar organisms that can reproduce together
  8. 12. All the offspring born around the same time
  9. 14. To stop living