Chapter 17 Outline

Some Geological Fundamentals

  • The fossil record

Before Life Began

The Emergence of Life

Precambrian Life

The Cambrian Explosion and the Origins of Animal Diversity

Paleozoic Life

  • The colonization of land
  • Paleozoic life on land
  • The end-Permian mass extinction

Mesozoic Life

The Cenozoic Era

  • The modern world takes shape
  • The adaptive radiation of mammals
  • Pleistocene events