Recall that ecologists are biologists who specialize in the study of how species interact within a population. On this worksheet you will look at some of the things ecologists look at when they study populations. 1. What are some factors that you think ecologists might study when it comes to populations? _______________________________________________________________________. 2. What is growth rate (r)? _______________________________________________________________________. 3. Draw the shape of the graph that the population growth in Victorian England would have reflected: