Imagine that you, the intrepid researcher, are looking through a microscope at 40X and see this field of moving, green cells. You believe that these cells are a new type of protist that may be infecting the Chesapeake Bay! Your job is to estimate the number of cells you see so you can tell if the population is growing.
Can you think of two ways to get a fast estimate of the number of cells you see? Will these ways be accurate?
