Across
- 2. Some finches from south america found their way to the Galapagos where they became______ from other finches.
- 5. Individuals do not choose to acquire traits; the___determines what traits will survive.
- 8. An inherited trait that helps individuals to survive in a certain environment.
- 10. Darwin traveled to South America, the Galapagos, and ________ to study natural selection.
- 11. Darwin uses the phrase “descent with ______” to describe the process of evolution.
- 12. Darwin's voyage led to the theory of? (Two words)
- 14. Darwin published his ideas in his book ______ in 1859.(Three words)
- 17. How long was Darwin's journey? (Two words)
Down
- 1. Environmental; conditions and years of breeding gave rise to specialized versions of the ____ finch.
- 3. Every species tends to produce more individuals than can survive maturity.
- 4. artificial selection is selectively breeding__traits
- 6. The individuals of a population have many characteristics that differ.
- 7. Each species of finch was similar except that their ___ developed to best for their diet
- 9. evolution does not always produce the “fittest” organisms, just those that are “fit” enough to _____ _______.(Two words)
- 13. Some individuals survive longer and reproduce more than others do.
- 14. How many types of species of finches did Darwin collect?
- 15. Natural selection works on _______ not individuals.
- 16. Naturalist who collected and studied live and fossil specimens during a voyage on the H.M.S beagle.(Two words)