1. The modern synthesis combined the concepts of and evolution.
2. If a population is at Hardy-Weinberg equilibrium, the allele frequencies must be .
3. Seen more clearly in small populations, is when allele frequencies change due to random chance, not selection.

Respond to the following based on your reading.
4. What two fields does modern synthesis combine?
5. How does a genotype differ from a phenotype?
6. What's the most common type of mutation, and what impact does it have on natural selection?
7. What's the most common type of mutation observed in living populations, and what impact does it have on natural selection?
8. How does the reproduction of organisms impact the diversity of genes?
9. If a proportion of individuals in a species dies because of extreme heat, is this an example of genetic drift? Why or why not?