Across
- 1. What type of Finch eats insects and cactuses?
- 3. How many years was the voyage?
- 4. What was the second step in Darwin's theory?
- 6. What did Darwin collect that he compared to living organisms?
- 7. What made each island so different?
- 8. Which set of islands had rich vegetation?
- 10. What is the formation of a new species due to genetic changes called?
- 11. How many different types of beetles did Darwin collect in one day in a Brazilian forest?
Down
- 2. What did Charles Darwin hypothesize separated species evolved from?
- 5. Where did he find an interest in land tortoises?
- 6. How many main scientists mentioned believed that a species could not change, only die out?
- 9. In what month did the voyage begin?