Across
- 2. (2 words) This animal looked similar to the European rabbit.
- 5. Wallace today is recognized as the ______ of the NS theory.
- 7. What type of insects did Darwin like to observe?
- 10. This voyage Darwin sailed on lead him to observe geology & fossils.
- 12. Darwin's hypothesis that variation in neck length correlated with the type of _______ found on the island.
- 14. This conference is where Darwin & Wallace joined, presenting evolution by NS
- 19. (2 words) This ostrich-like bird is found in the North which was replaced by the lesser Rhea in the south.
- 20. Despite these islands being away from the mainland, how much life was there?
- 21. This man was a naturalist who studied species in Indonesia & had similar conclusions to Darwin.
- 23. Adaptations to certain environments results in what?
Down
- 1. Related species could be modified according to environmental ________.
- 3. Where the Andes Mountains were located, collecting fossilized marine shells many feet up on the side of cliffs
- 4. Study of geographic distributions of organisms on Earth
- 6. This country was where Darwin observed a large fossil of the Glyptodon (armadillo-like) & ground sloth.
- 8. (T/F) Darwin does not publish his E by NS theory immediately.
- 9. This animal was observed in the Gal. islands where their necks length varied
- 11. After Darwin's voyage, he developed this theory: ______ by natural selection.
- 13. Darwin was this profession at age 22.
- 15. Animals in _____ environments in South America & Europe has ______-looking animals.
- 16. What did Darwin witness during his observations? (This caused sediment uplift of 50 ft in the harbor.)
- 17. These volcanic islands formed off the western coast of South America.
- 18. This was Darwin's "mystery of mysteries" of new species.
- 22. Does credit go to Darwin or Wallace based on their findings of natural selection?