A New History of Life

Incredible Variety—The Cambrian Explosion (1520x13)

Ημερομηνία προβολής: Ιαν 01, 2013

The Cambrian period is notable for its immense variety of animals with many different body plans. In an explosion of diversification, shells, teeth, eyes, and other innovations emerged as creatures competed in an evolutionary arms race. Investigate the key factors driving this transformation.