1.
Changes within a population over long periods of time.
2.
An evolutionary force due to environmental factors such as competition, predation, and climate change.
3.
An evolutionary force due to mate selection and preference.
4.
An evolutionary force due to selective breeding that is determined by humans.
5.
A 19th century naturalist who is known as the father of evolutionary biology and author of the landmark book on evolution, “On The Origin of Species by Natural Selection”.
