AP Biology Unit 8 Ecology Effect of Density on Population – MCQ Worksheet (Topic 8.4) Help your students master population ecology and density-dependent regulation with this AP Biology worksheet aligned to Unit 8: Ecology (Topic 8.4). This resource gives students practice analyzing population growth graphs, demographic data tables, and ecological models while applying concepts such as carrying capacity, logistic growth, and population growth rate (dN/dt). Students interpret realistic datasets i