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The average temperature of the lobster-rich waters off the coast of Foerkland has been increasing for some years. In warmer water, lobsters grow faster. In particular, lobster larvae take less time to reach the size at which they are no longer vulnerable to predation by young cod, the chief threat to their survival. Consequently, the survival rate of lobster larvae must be going up, and the lobster population in Foerkland’s coastal waters is bound to increase.
Which of the following, if true, most seriously weakens the argument?
A. There are indications that in recent years the fishing fleet operating off the coast of Foerkland has been taking cod at an unsustainably high
rate.
B. The increase in water temperatures off Foerkland has not been as pronounced as the increase in average soil temperatures in Foerkland.
C. Because of their speeded-up growth, lobsters now get large enough to be legal catch before they reach reproductive maturity.
D. Even though lobsters grow faster in warmer waters, warmer waters have no effect on the maximum size to which a lobster can eventually grow.
E. Cod are a cold-water species, and the increasing water temperatures have caused a northward shift in Foerkland’s cod population.
Which of the following, if true, most seriously weakens the argument?
A. There are indications that in recent years the fishing fleet operating off the coast of Foerkland has been taking cod at an unsustainably high
rate.
B. The increase in water temperatures off Foerkland has not been as pronounced as the increase in average soil temperatures in Foerkland.
C. Because of their speeded-up growth, lobsters now get large enough to be legal catch before they reach reproductive maturity.
D. Even though lobsters grow faster in warmer waters, warmer waters have no effect on the maximum size to which a lobster can eventually grow.
E. Cod are a cold-water species, and the increasing water temperatures have caused a northward shift in Foerkland’s cod population.
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The average temperature of the lobster-rich waters off the coast of Foerkland has been increasing for some years. In warmer water, lobsters grow faster. In particular, lobster larvae take less time to reach the size at which they are no longer vulnerable to predation by young cod, the chief threat to their survival. Consequently, the survival rate of lobster larvae must be going up, and the lobster population in Foerkland’s coastal waters is bound to increase.
We have to prove something that increase in size is not affecting the population.
Which of the following, if true, most seriously weakens the argument?
A. There are indications that in recent years the fishing fleet operating off the coast of Foerkland has been taking cod at an unsustainably highStrengthens rather than weaken
rate.
B. The increase in water temperatures off Foerkland has not been as pronounced as the increase in average soil temperatures in Foerkland.No effect
C. Because of their speeded-up growth, lobsters now get large enough to be legal catch before they reach reproductive maturity.This weakens, since it effects that now there will be less males to reproduce hence lower population
D. Even though lobsters grow faster in warmer waters, warmer waters have no effect on the maximum size to which a lobster can eventually grow.No effect
E. Cod are a cold-water species, and the increasing water temperatures have caused a northward shift in Foerkland’s cod population.Strengthens rather than weaken
We have to prove something that increase in size is not affecting the population.
Which of the following, if true, most seriously weakens the argument?
A. There are indications that in recent years the fishing fleet operating off the coast of Foerkland has been taking cod at an unsustainably highStrengthens rather than weaken
rate.
B. The increase in water temperatures off Foerkland has not been as pronounced as the increase in average soil temperatures in Foerkland.No effect
C. Because of their speeded-up growth, lobsters now get large enough to be legal catch before they reach reproductive maturity.This weakens, since it effects that now there will be less males to reproduce hence lower population
D. Even though lobsters grow faster in warmer waters, warmer waters have no effect on the maximum size to which a lobster can eventually grow.No effect
E. Cod are a cold-water species, and the increasing water temperatures have caused a northward shift in Foerkland’s cod population.Strengthens rather than weaken
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