Evolution/Natural Selection

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Across
  1. 2. islands Darwin observed natural selection on
  2. 5. Darwin waited so long to post his ideas because they were ____
  3. 7. short term scales
  4. 10. forelimbs of bats and whales
  5. 13. who said we need our death rate to increase?
  6. 14. what are the Galapagos islands west of?
  7. 16. other name for natural selection
  8. 19. how long did the Beagle Voyage take?
  9. 20. legs on a skink
  10. 21. Organisms with low fitness produce few offspring and __
Down
  1. 1. whale bones are an example of this
  2. 3. who's essay convinced Darwin to publish his book?
  3. 4. common ancestors, different functions
  4. 6. change over time can result in
  5. 8. evolution occurs through the process of this
  6. 9. long time scale
  7. 11. where was Wallace and Darwin's papers published?
  8. 12. what group of people had been observing and using variations in organisms?
  9. 15. DNA/supports evolution
  10. 17. naturalist who established evolution
  11. 18. the bird Darwin based his findings off of