Difficulty: Hard
Average Score: 0%
Commercial fishers often release the small fish in their catch to give them time to grow and reproduce. But that strategy may actually harm fish stocks. In a laboratory experiment, several generations of fish were raised. All but the smallest 10 percent of each generation was removed. By the seventh generation, the fish were not only physically stunted, but less able to forage for food or outwit predators.

Which of the following, if true, would most weaken the ichthyologist's argument?

Report an Issue

Help us improve by flagging this content.

Rate this Practice Test

How helpful was this material?

Chat on WhatsApp