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BMAT考试:能力与技巧练习
There is a tendency to think that carnivores, giventheir precarious place at the top of the food chain, are the most at risk fromextinction. Yet over the course of history it is
likely that the opposite has been the case.
Herbivores are often more specialist–evolved to suit a particularenvironment, to eat a particular plant. Carnivores, on the other hand, havetended to retain a more general set of attributes: teeth that could cut as wellas chew; physical agility and acute senses, making them less vulnerable tochanges in environment. After all, meat remains meat through even the mostdramatic of environmental upheavals; whereas grassland might be converted toforest–with serious consequences for the herbivoresthat are grazing specialists.
Which one of the following best expresses theconclusion of the above argument?
A Herbivores are more threatened by environmentalchanges than carnivores.
B It is natural to think that carnivores are moreat risk of extinction than herbivores.
C Herbivores are more at risk of extinction thancarnivores.
D Carnivores are better at adapting to changes inenvironment than herbivores.
E Carnivores’success ismostly down to their having more general adaptions than herbivores.
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Answer:C
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