Across
- 4. A mode of natural selection in which extreme values for a trait are favored over intermediate values.
- 8. A hypothesis stating: change in variation is gradual in nature.
- 9. The formation of new and distinct species in the course of evolution.
- 10. A mode of natural selection in which intermediate variants are favored.
Down
- 1. Leads to a decrease in genetic variation.
- 2. Part of a population is isolated resulting in populations evolving independently.
- 3. A branch of biology that deals with classification and nomenclature; taxonomy.
- 5. Evolution in different lineages with structures that are similar. No common ancestry.
- 6. An effect that explains a decrease in genetic variation as a result of a new population being established in a new location.
- 7. A type of dating that determines age based on relationships.