Which of the Following Changes in Life History of the North

Multiple Choice

Which of the following changes in life history of the North Atlantic cod could have alerted scientists to the impending population crash?  

A) A type I growth curve
B) A shift to K-selection characterized by larger fish
C) A shift to r-selection characterized by smaller fish
D) Type I growth curve the first year and type II in years two and three
E) Type I the first year, type II the second year, and type III the third year