Across
- 10. phenomenon where one organism closely resembles another as an an
- 11. when the average of an allele is selected
- 13. movement of individuals to new places
- 14. when 2 organisms cannot breed due to behavioral differences
- 15. alleles moving in and out of a population
- 16. the amount of an allele present in a population
- 17. differences in alleles amongst postabilizing
- 18. more fit organisms thrive and reproduce, less fit organisms do not
- 19. available alleles in the population
- 20. when one extreme for an allele is preferred
Down
- 1. when 2 organism cannot breed due to physical barriers such as rivers or mountains
- 2. when 2 organisms cannot breed due to a time related barrier
- 3. when a new population is started breaking off from another, making a new population with less genetic variation
- 4. when an unpredictable event affects genetic variation
- 5. how capable an organism is of producing fertile offspring
- 6. when the numbers of a population are decreased by a lot resulting in loss of genetic variation
- 7. the number of organisms in an area
- 8. trait that increases the fitness of an organism
- 9. when 2 extremes for an allele are selected
- 12. factor in the environment required for survival