Across
- 3. Study of the distribution of organism around the world
- 6. Isolation between populations due to barriers to time ,such as differences in mating periods or differences in the time of day that individuals are most active
- 7. Change in a species over time
- 9. Isolation between populations due to differences in courtship mating behavior
- 12. Group of organisms so similar to 1 another that they can breed and produce fertile offspring
- 14. Evolution of two or more species from 1 ancestral species
- 15. Measure of an organism ability to survive and produce offspring relative to other members of a population
Down
- 1. Final stage in speciation in which members of isolated populations either no longer able to mate
- 2. Collection of alleles found in all of the individuals of a population
- 4. Isolation between population due to physical barriers
- 5. All of the individuals of a species that live in the same area
- 8. Proportion of 1 allele compound with all the alleles for that trait in the gene pool
- 10. A feature that allows an organism to survive better in its environment.
- 11. Mechanism by which individuals that have inherited beneficial adaptations produce more offspring on average than do other individuals
- 13. Differences in physical traits of an individuals from the group to which it belongs
