San Antonio College Library

"Here, for the first time, Oxford zoologist Andrew Parker reveals his theory of this great flourishing of life. Parker's astounding explanation is that it was the development of vision in primitive animals that caused the explosion. Precambrian creatures were unable to see, making it difficult to find friend or foe. With the evolution of the eye, the size, shape, color, and behavior of animals was suddenly revealed. Once the lights were "turned on,"...