Starting in 1954, commercial fishers in the northwest Pacific were paid by weight, rather than by the individual fish, for pink salmon. The fishers increased the use of a type of net that selectively catches larger fish. Which of the following effects did this change in fishing techniques most likely have on the salmon population over the next 20 years?

Question

Answer: B - The average body size of the salmon population decreased significantly.

Ted Chan · Accepted Answer

The average body size of the salmon population decreased significantly.

MCAT Biology