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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.

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 a game to simulate the food chain.

This activity provides a hands-on experience with a scale model, a relatively high viscosity fluid, and feeding behaviors.

In this activity (page 5 of the PDF), learners will create a food web and explore food sources for different organisms. They will identify relationships between organisms in an ecosystem.

In this activity, learners investigate feeding relationships. Learners complete a food web and then make a mobile to represent a food chain.