you get a 25-liter dip net and take another sample of stonefly larvae in the same lake. This time you capture 12 larvae (none of them previously marked), mark all 12, and release them. 24 h later, you use the same dip net to take a sample in the same lake. This time, you capture 15 larvae, 2 of which are marked. Using the equation discussed in class, estimate the actual size of the Western glacier stonefly population in this lake