The Opposable Thumb
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Students explore the physical importance of the opposable thumb among primates. They discover which of their simplest daily activities are possible only because of their opposable thumbs.
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New Review Color Vision Genetics Evolution Simulation
At one point, all mammals carried only two color receptors, but now most humans carry three. An informative presentation and hands-on activity demonstrate how this evolved through genetics. By participating in the activity, pupils...
7th - 12th Science CCSS: Adaptable
Thumbs Up, Thumbs Down: Grasping the Idea of Evolution
Young scholars compare their performance of a series of tasks using their thumb and fingers to their performance of the same tasks without the use of their thumb. They discuss the role of fine and gross motor skills and speculate on the...
6th - 12th Science