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ActivityThis activity supports the film The Origin of Species: Lizards in an Evolutionary Tree. Students are guided to sort the lizard species by appearance, then generate a phylogenetic tree using the lizards’ DNA sequences to evaluate whether species that appear similar are closely related to each other.
Short Film(17 min 45 sec) In the Caribbean islands, adaptation to several common habitats has led to a large adaptive radiation with interesting examples of convergent evolution. Also available in Spanish.
Click & LearnThis Click and Learn explains how DNA sequences can be used to generate such trees, and how to interpret them. English version is ADA accessible.
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