Evolution Vocabulary

1. Populations become more and more dissimilar in terms of genetics and structures.
6. The migration of individuals and their alleles between populations.
7. A common ancestor plus all its descendants.
9. The most recent individual from all the organisms of a group are descended.
11. The history of life documented in rocks and imprints.
12. A diagram showing the evolutionary history of a group of organisms.

2. A physical separation of populations-also called allopatric speciation.
3. The formation of a new species through the course of evolutionary events.
4. Using the development of organisms to show evolutionary relationships.
5. Connected to founder's effects and bottlenecks, this evolutionary force impacts small populations more.
8. Darwin's explanation of populations changing with their environment.
10. Structures that have no apparent function and appear to be residual parts from a past ancestor.