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Online Course for Teachers: Teaching Evolution

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SESSION 4: What Are the Processes for Evolution?

Elaborate Part A: Speciation without Geographic Isolation

Close up of  a hummingbird's head and beak.

Biologist Chris Schneider believes that populations may evolve into new species without geographic isolation. To learn more about this kind of speciation, called sympatric speciation, join Schneider and his team in Ecuador in the Evolution Show One video segment, "Hummingbird Species in the Transitional Zones" and read the related background information.

Hummingbird Species
in the Transitional Zones

View in:
QuickTime | RealPlayer


Next: Elaborate Part B: The Galapagos Finch Study

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