原文:When experimentally deprived baby robins are placed in a nest with normally fed siblings, the hungry nestlings beg more loudly than usual—but so do their better-fed siblings, though not as loudly as the hungrier birds.当实验性的带走的幼年知更鸟并安放在那些正常喂养的同类的巢中,饥饿的雏鸟...
Begging by Nestlings 1. The phrase impose on（强加于）in the passage is closest in meaning to A、increase for 为……增加 B、remove from从……移除 C、place on 强加于 D、distribute to 给……分发 解析：词汇题。动词词组。原句说动物发出的信号会将过于有伤害性的代价怎样它们，A、D都不合适，...
托福备考托福阅读34套TPO样题+解析+译文11--3 Begging by Nestlings 托福考试 复习
making it worthwhile for the listening parent to give it food in a nest where several other offspring are usually available to be fed. If this hypothesis is true, then it follows that nestlings should adjust the intensity of their signals in relation to the signals produced ...
But the question arises, why don't nestlings beg loudly when they aren't all that hungry? By doing so, they could possibly secure more food, which should result in more rapid growth or larger size, either of which is advantageous. The answer lies apparently not in ...
托福阅读修辞目的题:Begging by Nestlings 【Paragraph 6】As these experiments show, begging apparently provides a signal of need that parents use to make judgments about which offspring can benefit most from a feeding. But the question arises, why don't nestlings beg loudly when they aren't all...
A. nestlings that are too weak to beg for food as vigorously as their nestmates B. more than one hungry nestling during a single visit to the nest C. offspring that were fed by the parents on the previous visit to the nest D. nestlings that have been removed and then later put back...
then it follows that nestlings should adjust the intensity of their signals in relation to the signals produced by their nestmates, who are competing for parental attention.When experimentally deprived baby robins are placed in a nest with normally fed siblings, the hungry nestlings beg more loudly...
As these experiments show, begging apparently provides a signal of need that parents use to make judgments about which offspring can benefit most from a feeding. But the question arises, why don't nestlings beg loudly when they aren't all that hungry? By doing so, they could possibly secure...
TF阅读真题第490篇Begging by Nestlings, 视频播放量 1、弹幕量 0、点赞数 0、投硬币枚数 0、收藏人数 0、转发人数 0, 视频作者 xsyx872, 作者简介 ,相关视频:TF阅读真题第549篇Early Saharan Pastoralists,外媒报道:JK罗琳暗讽三人组毁了哈利波特,美国人日常交流的语