Across
- 3. When allele frequencies change due to random events.
- 4. Total genetic info. available in a population.
- 5. Study of evolution from a genetic view.
- 6. New species are changed version of old ones.
- 7. The selection of a mate based o characteristic similarities.
- 9. A species is a pop. that can interbreed but not with other groups.
- 13. Occurs after fertilization.
- 14. Results from barriers to successful breeding between pop. in the same area.
- 16. Movement of individuals out of population.
- 17. When females choose their mate based on certain traits.
- 18. Occurs before fertilization.
- 19. Individuals with an extreme form of a trait are best fit.
Down
- 1. The internal and external structure of an organism.
- 2. Physical separation of members of a pop.
- 8. Process of genes moving form one pop. to another.
- 10. An "instant" change in the pattern of a species.
- 11. Individuals with have either extreme trait variation are the most fit.
- 12. Individuals with the average form of a trait are the best fit.
- 15. Movement of individuals into a population.