Darwin’s finches evolved from a common ancestor to have different beaks well-suited for different types of food they feed on. In this article, let's learn more about Darwin’s finches with a diagram.
【题文】Darwin suspected that the finches___ (evolve) from a common ancestor. (所给词的适当形式填空) 相关知识点: 试题来源: 解析 答案: had evolved详解: 考查动词时态。 句意:达尔文怀疑这些雀类是从一 个共同的祖先进化而来的。 分析句子可知,空格处 是宾语从句的谓语动词, 从句主语finches与从句...
Darwin's finches from The Columbia Encyclopedia, 6th ed.. Read Darwin's finches from The Columbia Encyclopedia, 6th ed. now at Questia.The Columbia Encyclopediath ed
Darwin ___(怀疑) that the finches had evolved from a common ancestor,which had arrived on the islands a long time before. (根据汉语提示单词拼写) 相关知识点: 试题来源: 解析 【答案】 根据括号内词义,"怀疑"可译为doubt,因讲述的是过去的事情,要用一般过去时。故填:doubted。 【思路点拨】 达尔文...
52Beaks of Darwin' Finches 1835年,查尔斯·达尔文在发展进化论之前,从与世隔绝的加拉帕戈斯群岛收集了13种以前未知的雀类标本。加拉帕戈斯雀与生活在南美洲大陆的一种雀非常相似,但每种加拉帕戈斯雀类都有其独特的不同形状的喙。他的观察使达尔文推测,“从这个群岛(加拉帕戈斯群岛)最初缺乏的鸟类中,有一个物种被提取...
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Darwin's finches are a good exapmple of 05:24 Which one of the following scientist's name is correctly matched with ... 02:10 Which one of the following in birds, indicates their reptilian ancestr... 02:29 One of the important consequences of geographical isolation is:- 03:18 Adaptive...
达尔文地雀(Darwin′sfinches)加拉帕戈斯群岛上4属,14种雀科鸣禽的统称。因最初于1835年9、10月间达尔文环球航行到此时首先发现,故名。14种雀分布在群岛的13个岛上..
Two species come to mind when one thinks of the Galapagos Islands - the giant tortoises and Darwin's fabled finches. While not as immediately captivating as the tortoises, these little brown songbirds and their beaks have become one of the most familiar and charismatic research systems in biology...