Untitled Document

	THINKING CRITICALLY ABOUT THE EVIDENCE FOR EVOLUTION
VARIATION		THE NESTED HIERARCHY OF LIFE
EARLY ANIMALS		EARLY FISH
EARLY AMPHIBIANS		EARLY PLANTS AND INSECTS
EARLY REPTILES AND DINOSAURS		MAMMAL ANCESTORS, MAMMALS, AND HOMINIDS
BIRDS (WITH AN EMPHASIS ON WOODPECKERS)		THE FOSSIL RECORD