Reading Comprehension (RC) | Re: Animal signals, such as the complex songs of birds, tend to be costly.

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1. The primary purpose of the passage is to

A compare the different types of cost involved for certain birds in singing- incorrect- passage focusses on metabolic costs.
B question a hypothesis regarding the energy costs of singing for certain birds- no hypothesis is questioned
C present evidence suggesting that singing has an important energy cost for certain birds- correct- this is the theme
D discuss the benefits provided to an organism by a behavior that is costly in energy- incorrect- benefits of singing are not mentioned
E describe an experiment that supports an alternative model of how birdsong functions- incorrect- no such experiment mentioned

2. The passage implies that during the day before a night on which a male nightingale’s song rate is high, that nightingale probably does which of the following?

A Expends less of its reserves on thermoregulation than on other days- not supported by passage.
B Stores more energy as body reserves than on other days- correct- supported
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Statistics : Posted by carcass • on 06 Jul 2022, 22:33 • Replies 1 • Views 5122

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