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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.

In this outdoor activity, learners build bird nests and place them in the activity area, then play the role of naturalists as they try to locate each other's nests.

In this activity, learners experience firsthand how marine animals' adaptive coloration camouflages them from prey.

In this science and language arts activity, learners study fish anatomy and make their very own 3D paper fish.