In the Experiment in Which Stickleback Fish (Gasterosteus Aculeatus) Were

Multiple Choice

In the experiment in which stickleback fish (Gasterosteus aculeatus) were presented with high- and low-quality habitats, why did fish disperse from the high-food side of the aquarium to the low-food side?

A) The low-food side increased in quality.
B) The high-food side decreased in quality.
C) The low-food side per capita benefit equaled that of the high-food side.
D) The low-food side per capita benefit was less than the high-food side.