Section 4
The Evolutionary History of the Animal Kingdom
Book
Version 32
By Boundless
By Boundless
Boundless Biology
Biology
by Boundless
3 concepts
Pre-Cambrian Animal Life
Early animal life (Ediacaran biota) evolved from protists during the pre-Cambrian period, which is also known as the Ediacaran period.
The Cambrian Explosion of Animal Life
During the Cambrian period, the most rapid evolution of new animal species occurred, but the cause of this explosion is still unknown.
Post-Cambrian Evolution and Mass Extinctions
The post-Cambrian era was characterized by animal evolution and diversity where mass extinctions were followed by adaptive radiations.