Answer: Which is the BEST explanation for the drastic decrease in the number of dolphins killed after 1975?
A Tuna fishing was banned in 1975.
B. Dolphins stopped swimming with tuna.
C. Economic and political pressures were brought against tuna fishermen.
D. Dolphin deaths and tuna catches were not considered important after 1975.
Explanation: Improvements in fishing gear and techniques discussed in Chapter 7, the mandatory observer program, and the kill quota were responsible for the dramatic decline in the number of dolphins killed by boats in the U.S. fleet.
