A Lectures Series delivered by Professor Johnson to
his freshman Biology class at Washington University.

To select a video lecture click on one of the eight section titles. These lectures require your computer has a current version of QuickTime.

	Chapter 19. Evolution of the Animal Phyla
	A Parade of Phyla
	Chapter 20. History of the Vertebrates
	The Challenge of Invading Land
	Dinosaurs: An Evolutionary Success Story
	Chapter 21. How Humans Evolved
	The Puzzle of Human Evolution