Macroevolution is the development of new taxonomic groups such as species, genera, families, etc.
- Trends - Cope's rule (body size increases - Equus).
- Mass extinctions
- Increase in diversity due to adaptation
- Cambrian explosion - The Cambrian Sea video
- Cretaceous explosion of angiosperms
- Placental mammals - end of Cretaceous
- Rates of evolution vary greatly