Curated OER
Natural Selection
Students estimate how many different species of organisms inhabit the Earth. In groups, they match the pictures of embryos at the different stages of development. They compare and contrast animals from the sky, land, and water and...
California Academy of Science
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...
Serendip
How Eyes Evolved – Analyzing the Evidence
Octopodes existed for hundreds of thousands of years before humans, yet our eyes share many similarities. Scholars analyze the evidence to determine if the evolution of eyes best fits a homology or analogy model. They discuss the issue...
Channel Islands Film
Island Rotation: Lesson Plan 4
Foster's Rule? Allopatric speciation? After watching West of the West's documentary Island Rotation, class members use Venn diagrams to compare endemic species on the Channel Islands with mainland related species. They then create a...