In Cod Fishing, Older and Larger Fish Are More Likely

question 14

Multiple Choice

In cod fishing, older and larger fish are more likely to be retained in nets than younger and smaller fish. Despite the removal of these large breeders, the population is still reproducing. How do you think cod characteristics have changed due to the selection pressure from over-fishing?

• A) Selection has led to increased growth rates.
• B) Selection has led to decreased growth rates.
• C) Selection has led to decreases in the size of fish at the age of maturity.
• D) Selection has led to increases in the age of fish at the age of maturity.

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