Across
- 3. A trait that helps an organism survive and reproduce
- 7. Breeding organisms with specific traits in order to produce offspring with identical traits.
- 8. group of individuals of the same species that live in the same area
- 9. movement of alleles from one population to another
- 12. Migration from a location
- 14. Form of reproductive isolation in which two populations have differences in courtship rituals or other types of behavior that prevent them from interbreeding
- 16. occurs when natural selection favors one of the extreme variations of a trait
- 20. A change in allele frequency following a dramatic reduction in the size of a population
Down
- 1. disguise
- 2. Ability of an animal to look like another more harmful animal
- 4. group of individuals of the same species that live in the same area
- 5. how well an organism can survive and reproduce in its environment
- 6. Type of natural selection that selects against the average individuals in a population
- 10. the separation of a population of organisms from the rest of its species due to some physical barrier such as a mountain range or an ocean
- 11. how often a form of a gene appears in a gene pool
- 13. Any difference between individuals of the same species.
- 15. individuals with the average form of a trait have the highest fitness
- 17. form of reproductive isolation in which two populations reproduce at different times
- 18. change in allele frequencies as a result of the migration of a small subgroup of a population
- 19. random change in allele frequencies that occurs in small populations