Peacocks, when fanning their feathers to attract females, shake the feathers, creating an inaudible sound for humans but one that female hens can hear, even from far away. In the video, scholars explore evolution by analyzing artificial selection first, specifically looking at dogs. The instructor then moves into natural selection, focusing on Peter and Rosemary Grant's studies on birds on Daphne Major in the Galapagos Islands to discuss directional selection. Viewers analyze Darwin's finches, stabilizing selection, and the video finishes by looking at sexual selection using the peacock as an example.

Concepts

evolution, natural selection, artificial selection, galapagos finches

Show More Show Less

Additional Tags

science

Show More Show Less

Instructional Ideas

• Google labs on Brassica rap and complete in class to show scholars artificial selection in action

Classroom Considerations

• Provides closed captioning, which aids in learning
• This is the sixth video in a series of 18

Pros

• Video provides links to a concept map, slideshow, and two review worksheets
• Utilizes high-quality photographs, charts, and visuals

Cons

• None

Common Core

RST.9-10.1