Explore Population Growth & Decline with a Hands-On Deer Simulation! Students use M&Ms to model deer populations as they simulate population decline, growth, limiting factors, and ecosystem changes. Includes data tables, reflection questions, graphing extension, teacher guide, answer key, and PowerPoint support. Perfect for Ecology, Population Dynamics, and Intro Biology. In this activity, students use M&Ms to represent deer in a forest ecosystem as they model both population decline and po