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In this classic activity, learners investigate natural selection by becoming birds foraging for food on an island.

In this activity, learners simulate a wolf and its habitat and observe what happens when the limiting factors change over time.

In this activity, learners use a model for how fishing affects marine life populations, and will construct explanations for one of the reasons why fish populations are declining.

In this activity, learners model a population of deer and see how the number of deer changes over time.

Learners will explore the scientific mystery behind a disappearing group of trees by examining data and attempting to explain the decline.