Across
- 3. published the "The Origin of Species"
- 4. proposed the theory of uniformitarianism
- 6. early stages of vertebrate development
- 7. long time scale events that create and destroy species
- 8. Islands where Darwin discovered varying species of life
- 13. selective breeding to enhance desired traits among stock of crops (2 words, no space)
- 15. inherited characteristic that increases an organism's chance of survival
- 16. his work in genetics helped fill in some missing information in Darwin's theory of evolution
- 17. economist who influences Darwin's theory of Evolution
- 18. one of the first scientists to understand that change occurs over time
- 19. proposed theory of gradualism
Down
- 1. short time scale events that change genotypes and phenotypes of populations
- 2. Structures that have different mature forms, but develop from the same embryonic tissues.
- 3. each living species has descended with changes from other species over time (3 words, no spaces)
- 5. theory that states species change over time
- 9. name of the ship Darwin sailed on
- 10. the driving force for evolution (2 words, no space)
- 11. ability of an individual to survive and reproduce
- 12. structures that have no use
- 14. proposed theory of catastrophism