Across
- 4. an extinct animal related to the armadillo
- 5. book written by Darwin
- 9. known as the father of evolution
- 12. the ability to adapt and eventually reproduce
- 15. structures that no longer have a function
- 16. theory developed by Darwin
- 18. small birds studied by Darwin
- 19. sailed on this ship on a voyage around the world
Down
- 1. remains of past life
- 2. look similar, but have different functions
- 3. humans breed according to desired characteristics
- 4. is an example of evidence of evolution
- 6. change over time
- 7. believed in the inheritance of acquired traits
- 8. islands Darwin visited and explored
- 10. born the same day as Charles Darwin
- 11. a bird that has this quality may be successful at taking food from a weaker sibling
- 13. shape of their shell corresponds to different habitats
- 14. well supported testable explanation of things that have occurred
- 17. wrote Principles of Geology
