Evolution: Online Course for Teachers: Session 3- Engage Part A




	About this Course

	SESSION 3

	Engage

	Part A:	Whale Evolution

	Part B:	Build a Concept Map

	Explore

	Explain

	Elaborate

	Evaluate


	Resources

	Facilitator Notes

SESSION 3: What Is the Evidence for Evolution?

Engage Part A: Whale Evolution

		Mammals evolved on land over 200 million years ago. So how did the whales, the world's largest mammals, end up back in the water? To find out, watch Video for Students: "How Do We Know Evolution Happens?"

How Do We Know Evolution Happens? View in: QuickTime \| RealPlayer

Think about:


	•	What can we learn from fossil evidence?

	•	How do the transitional fossils of whales support the theory of evolution by natural selection?

	•	What specific fossil evidence points to whales' evolution from land to water?

Next: Engage Part B: Build a Concept Map


	Teaching Evolution Home \| Technical Requirements \| Visit the Evolution Web site at PBS Online

	© 2001 WGBH Educational Foundation and Clear Blue Sky Productions, Inc. All rights reserved.