macroevolution

(noun)

large-scale patterns or processes in the history of life, including the origins of novel organism designs, evolutionary trends, adaptive radiations and extinctions

Examples of macroevolution in the following topics:

Biodiversity Change through Geological Time
- Both are natural "birth" and "death" processes of macroevolution.
Loss of Biodiversity
- Extinction, a natural process of macroevolution, occurs at the rate of about one out of 1 million species becoming extinct per year.