Across
- 4. selection occurs when individuals at the upper and lower ends of the curve have higher fitness than individuals near the middle
- 8. This group of primates includes hominoids and hominines, as well as old world and new world monkeys.
- 9. ___________ ___________ acts directly on an organism's phenotype.
Down
- 1. The type of genetic drift that follows the colonization of a new habitat by a small group of individuals is called...
- 2. The process of change over time is called
- 3. selection occurs when individuals at one end of the curve have higher fitness than individuals in the middle or at the other end.
- 5. occurs when individuals near the center of the curve have higher fitness than individuals at either end.
- 6. This is a random change in allele frequency that occurs in small populations by chance.
- 7. Suggested that organisms could change during their lifetimes by selectively using or not using various parts of their bodies.
- 8. The number of times a particular allele occurs in a gene pool, compared with the number of times other alleles for the same gene occur.