Assume that conditions in Paxton Lake, including the availability of benthos and zooplankton and the number and type of predators in the benthic and limnetic zones, remain unchanged. If you returned to Paxton Lake in a thou- sand years and collected data about the mating choices of benthic and limnetic sticklebacks and the proportions of benthic, limnetic, and hybrid sticklebacks in the lake, what would you expect to find