The document describes a game to teach students about limiting factors for animal populations. Students will be divided into groups representing deer and different habitat resources like food, water, and shelter. The deer must find and match with their needed resource to survive each round, or they will die off and be removed from the game. The number of surviving deer will be tracked between rounds to create a graph showing how the population changes over time. Finally, students will answer questions about what was learned about animal needs and how populations fluctuate from the simulation.