Overfishing in the Atlantic Bluefin Tuna Breeding Ground Has Resulted

Multiple Choice

Overfishing in the Atlantic bluefin tuna breeding ground has resulted in a serious decline in the tuna's population.In response, an international commission drew a line down the middle of the Atlantic Ocean with the intent of allowing western populations of bluefin tuna to recover by restricting fishing quotas in that hemisphere.Why did this policy fail to achieve the desired result?

A) Tracking data showed that the tuna's breeding ground is identical to its feeding ground.
B) Tracking data showed that western bluefin tuna feed all across the Atlantic Ocean.
C) Tracking data showed that eastern and western bluefin tuna populations are geographically isolated in terms of their feeding grounds.
D) No tuna caught on the eastern side of the line were from the western breeding population.
E) All tuna caught on the western side of the line were from the eastern breeding population.