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Flashy Fish
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Professor John Endler traveled to Trinidad in the 1970s to study wild guppies. In this activity, learners take part in an online simulation of Endler's work.
Fish Features and Habitats
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In this activity, learners observe live fish in tanks to consider how their body structures are related to their behaviors and habitats.
Fish Wheels
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In this activity, learners cut out and assemble wheels to explore how variations in fish body structures (mouth shape/position/teeth, body shape, tail shape, and coloration patterns) allow fish to sur
Evolution in Action: Isolation and Speciation in the Lower Congo River
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In this guided discussion activity, learners watch a video about Central Africa's Lower Congo River, one of the most biologically diverse rivers in the world.