UNIT 6

6. Any characteristic that increases the fitness of an individual.
8. Random changes in a low frequencies attributed to luck, not Fitness GeneticVariation- Refers to the differences among individuals in a population.
9. Measurement of the ability of an individual to survive and reproduce successful offspring.
10. Isolation of a population due to differences in the timing of mating
12. Group of individuals of the same species that live in the same area at the same time and can interbreed.
16. When organisms will impersonate other organisms to increase Fitness.
17. Collection of all alleles present in a population.
19. Isolation of a population due to differences in communication, mating rituals, and other behaviors.
20. Hardy-Weinberg equation that states that all the dominant alleles (p)+ all the recessive alleles (q) represent all the alleles present in a population.
21. Type of natural selection in which individuals with the Average phenotype have an advantage and the extremes are selected against.
22. Describes the movement of genes/alleles/individuals between 2 neighboring populations - makes populations more alike.
23. Type of natural selection in which individuals with one extreme phenotype have an advantage and the Other Extreme is selected against.

1. Percent of individuals of a population that have a particular trait-expressed as a number between 0 and 1.
2. A necessary or desired commodity in an ecosystem - individuals of a population will compete for these.
3. Type of natural selection in which individuals I either extreme of the bell curve achieve higher Fitness and the average is selected against.
4. State of genetic equilibrium characterized by a large population, no migration, no natural selection, no mutation, and random mating.
5. The idea that those individuals best suited to their environment will achieve higher Fitness.
7. When a population experiences a rapid, drastic reduction in the number of individuals in the population-Reduces variation and changes allele frequencies of the population.
11. Hardy-Weinberg equation that states that all the homozygous dominant individuals (p^2)+all the heterozygous individuals (2pq)+all the homozygous recessive individuals (q^2) represent all the individuals in a population.
13. Migration of new individuals into a population.
14. When a small part of a population is separated from the rest and colonizes a new area-They often respond differently to Natural Selection pressures.
15. Isolation of a population due to physical barriers such as fence, mountain range, or body of water.
18. Migration of individuals out of a population.