Unit 6 Vocab

5. measurement of the ability of an individual to survive and reproduce seccessful offspring.
13. selection within a population due to a human inferference and selection of desired traits
14. isolation of a population due to differences in the time of mating
15. random changes in allele frequencies attributed to luck, not fitness
16. any characteristic that increases the fitness of an individual.
17. group of inddividuals of the same species that live in the same area at the same time and can be interbreeded
19. type of natural selection in which individuals with one extreme phenotype have an advantage and the other extreme is selected against.
20. collection of all the alleles present in a population.

1. when a small part of a population is separated from the rest and colonizes a new area.
2. state of genetic equilibuim characterized by a large population, no migration, no naural selection, no mutations, and random mating
3. type of natural selection in which individuals with the average phenotype have an advantage and the extrememsare selected against.
4. isolation of a popuation due to physical barriers such as a fence, mountain range, or body of water
6. The idea that those individuals best suited to their environment will achieve higher fitness.
7. describes the movement of genes/alleles/individuals between two neighboring populations
8. refers to diffreneces among individuals in a population.
9. isolation of a population due to differences in communication, mating rituals, or other behaviors
10. when organisms will impersonate other organisms to increase fitness
11. type of natural selection in which individuals at either extreme of the bell curve achieve higher fitness and the average is selected against
12. migration of new individuals into a population
18. percent of individuals of a population that hae a particular trait-expressed as a number between 0 and 1