Across
- 5. a type of selection where the extreme variations of a trait are selected against
- 8. a type of selection where two or more traits are selected for over time
- 9. when organisms produce more offspring than can be supported by the environment
- 10. speciation that requires geographic isolation
- 11. speciation that does not require geographic isolation
- 12. the frequency with which a certain allele is present
Down
- 1. a trait that helps an organism survive and reproduce in their environment
- 2. a type of selection where a trait that was not favored becomes more favored over time
- 3. the ability of an organism to survive and reproduce
- 4. the largest population size that can be supported by its environment
- 6. all of the alleles present in a population
- 7. a group of organisms of the same species living in the same area
