Showing 1-4 of 4 Resources
Animation(2 min 38 sec) This animation features the anole lizards as an example of how a single species can split and multiply into many different species with distinct traits.
ActivityA data collection and analysis lesson that examines selection for coat color in pocket mouse populations on different color substrates over time. Also available in Spanish.
Animation(29 sec) This "morph" animation demonstrates how the expression of a particular toolkit gene in a butterfly larva corresponds to the location of the wing eyespots in an adult butterfly.
Animation(5 min 39 sec) How did the human Y chromosome become so small relative to its X counterpart? This animation depicts the 300-million-year odyssey of the sex chromosomes that began when the proto X and Y were an identical pair.
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