Imagine there is a species-specific fishing regulation that mandates that only adult fish of this species that are 75 cm or longer may be kept;shorter fish must be released.Based on your knowledge of natural selection,how would you predict that the average length of the adult fish population might be affected?
A)Length would remain unchanged.
B)Length would gradually decrease.
C)Length would rapidly decrease.
D)Length would gradually increase.
E)Length would rapidly increase.

Question

Quizplus · Accepted Answer

This regulation would result in selective pressure favoring smaller fish, as larger fish are more likely to be caught and removed from the population. Over time, this could lead to a gradual decrease in the average length of the adult fish population, as smaller fish would have a higher survival and reproduction rate.

Imagine There Is a Species-Specific Fishing Regulation That Mandates That