| A | B |
| Gene Flow | traits flow from one population to another |
| Genetic Drift | populations become cut off and start to evolve into different species |
| Sexual Selection | females choose what traits are favorable and drive the evolution of the species |
| Coevolution | species evolve in response to each other |
| Convergent Evolution | species begin to evolve towards similar shape/appearance |
| Divergent Evolution | species evolve to look less similar |
| Extinction | species no longer alive on Earth |
| Mass Extinction | 75% of species are lost in a short time span |
| Cladogram | evolutionary tree |
| Anthropocene | era dominated in all aspects by humans |