Unit 9 - Natural Selection

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