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    In this activity, learners play an evolution card game to see how selective pressures can affect an organism's evolution. Learners see what happens to two different populations of wolves as...

    1 cent - $1 per group Ages 8 - 18 1 to 2 hours
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    In this math lesson, learners apply the concepts of ratio and proportion to the capture-recapture statistical procedure. Learners are given containers (the bay) and an unknown number of fish-shaped...

    $5 - $10 per group Ages 11 - 14 45 to 60 minutes

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