Across
- 1. molecular evidence showing common ancestry or variation
- 3. Process by which humans create organisms with desirable traits
- 8. Refers to differences in individual in a population
- 10. Cause of speciation on islands, regions or behaviors
- 14. island isolation lead to changes in these reptile populations
- 16. fetal development
- 17. Structures with similar function but not similar anatomy or development
- 19. Structures of the body that have no function
- 20. Refers to how traits are passed from parents to offspring
- 21. A form of selective pressure
- 22. Theory that species change over time
Down
- 2. Traits that help organisms survive and reproduce
- 4. cranial bone that reveals many stories about a once living thing
- 5. A diagram that shows features common to groups or populations
- 6. The process by which evolution occurs
- 7. Organisms that show genotype and phenotype due to biogeography
- 9. Remains of organisms that lived in the past
- 11. The idea that each living species descended from other species
- 12. Structures that are similar in related organisms, like bones of the arm
- 13. Darwin observed differences in these structures of finches as evidence to support his theory of evolution
- 15. The formation of new species
- 18. Influence on organisms based geology