Across
- 4. Term for a trait that makes you well suited for your environment
- 7. _____ selection involves crossing two individuals with beneficial traits
- 8. Ship Darwin traveled on: HMS ____
- 10. If you have high ____ in an area, you are very well suited for your environment
- 13. Economist who stated that populations outgrow their environments, resulting in the death of some individuals
- 15. Darwin found that similar looking species could be found in ___ places around the world
- 16. Charles Darwin's job
- 17. Darwin proposed that individuals _____ to survive
- 18. Country Charles Darwin was from
- 20. Number of years Charles Darwin spent working on his theories before publishing them
Down
- 1. Scientist who came to several of the same conclusions as Darwin did regarding how species change over time
- 2. Lyell & ______ believed the earth's surface was the result of many gradual changes over time
- 3. Name of Darwin's primary theory
- 5. Darwin's proposed that individuals with the best fitness have a greater chance of ____
- 6. Darwin found that there was great ____ among living things around the world
- 9. Darwin proposed that as organisms have adapted, they have ____ over time
- 11. Many of Darwin's famous findings were from a trip to _________.
- 12. Title of Darwin's book: On the Origin of _____
- 14. Darwin observed that different finches had different beaks based on their ____
- 19. French scientist who believed traits an individual acquired over their lifetime could be passed on to offspring