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In this activity, learners will simulate the interactions between a predator population of gray wolves and a prey population of deer in a forest.

This activity focuses on interactions within Earth systems and the effects of human activities. In this activity learners build a biomass pyramid.

In this outdoor game, learners role play populations linked in a food chain.

In this game, learners each represent a different organism in an environment. They build a web during the activity, and discover how all the players in an ecosystem depend on each other.

In this activity, learners play an active version of freeze tag based on predator/prey relationships.

In this activity, learners play a game to simulate the food chain.