In the theory of evolution, what is the unit of evolution? A. The individual B. The population C. The species D. The E. cosystem 相关知识点: 试题来源: 解析 B。解析:在进化理论中,进化的单位是种群。个体不能作为进化的单位,因为个体的变化不能代表整个物种的进化方向。物种是一个分类概念,不...
A. The evolution of interstellar gas clouds. B. The lifetime of stars. C. The quality of main-sequence stars. D. The formation of stars. 相关知识点: 试题来源: 解析 D [解析] 12-17Professor So far as we know, most of the matter in the universe is in the form of stars. The maj...
D. Species do not change over time. 相关知识点: 试题来源: 解析 C。解析:文中提到“The core idea of Darwin's theory of evolution is that all species are related and have descended from a common ancestor.”。 反馈 收藏
What Is the Theory of Evolution? by Robert Walker (Shaping Modern Science series) (eBook)Walker, Robert
C.Languageevolution:beflexible D.Languageevolution:beconsistent 二、七选五 阅读下面短文,从短文后的选项中选出可以填入空白处的最佳选项。选项中有两项为多余 选项。 语篇类型:说明文 主题语境:人与自我 词数:246 难度:★★★ (2022·山东省山东师范大学附属中学高二阶段性测试)Memorylosscanoccurtoanyone.If you...
Charles Darwin is known as the father of evolutionary biology. This engaging title examines how Darwin developed his controversial theory of evolution, including his research methods and the data gathered during his extensive voyages. The book also explores the controversies that developed around the pu...
Charles Darwin proposed the theory of evolution. What was the main source of evidence for his theory? A. Fossils and his observations during his voyage B. Ancient books and legends C. Laboratory experiments on animals D. Interviews with other scientists ...
needtotakeplaceintherealworld.Withtheevolutionofvirtualreality(VR)technology,tourism willincreasinglybecomeacombinationofphysical andvirtualworld.VR mayevenremovetheneed totravelentirely. ButcanaVRexperiencereallyequalareal world? Manyexpertsbelieveitcan.Studieshave shownthatourbrainshaveaninbuilt VR-like mechanism...
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What is Charles Darwin's theory of evolution? Charles Darwin's theory of evolution had three main components:that variation occurred randomly among members of a species; that an individual's traits could be inherited by its progeny; and that the struggle for existence would allow only those with...