Across
- 2. The name of the ship that Darwin sailed on
- 3. The town of England where Darwin landed upon his return
- 6. Only the best suited individuals will survive and live long enough to ____________.
- 8. The original purpose of the ship's crew was to make a _________ of the coastline of South America
- 9. A chain of islands off the coast of Ecuador that are home to uniquely diverse species
- 11. Individuals within a species have differences
- 13. In Chile, Darwin realized that the earth's surface can move because he felt an ______________.
- 15. Darwin set sail from this city in England in 1831
- 16. Darwin found that the beaks on these birds varied depending upon the food available on their island
- 17. The captain of the ship that Darwin sailed on
- 19. Darwin noticed that the short-necked tortoises were found on islands that had plants growing close to the _____________.
- 20. Darwin noticed that long-necked tortoises were found on islands that were dry and had lots of
Down
- 1. Darwin was astonished by this egg laying mammal that he found only in Australia
- 4. The first country in South America that Darwin visited
- 5. The gradual process of change over time, sometimes leading to creation of a new species
- 7. Darwin wondered why this large, flightless bird was found only in Australia
- 10. Remains of extinct species that Darwin realized were ancestors of today's animals
- 12. A species makes more offspring than will survive
- 14. Individuals in a species fight for resources such as food, shelter and mates
- 18. Darwin found a unique species of these lizards that could swim