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,不是进化单位。生态系统是生物与环境的整体,不是进化单位。语法上是一...
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 ...
Theirstayin Elkheadisthesubjectofnothing Daunted:TheUnexpectedEducationofTwoSocietyGirlsinthe West byDorothy Wickenden, whoisamagazineeditorandDorothyWoodruff?s granddaughter. Whydidtheygothen? Well,theywantedto dosomethinguseful.Soon,however,theyrealizedwhattheyhadundertaken. Theymovedinwithalocalfamily,theH...
THE THEORY OF EVOLUTION: What It Is, Where It Came From, and Why It Works (Book).Reviews the book "The Theory of Evolution: What It Is, Where It Came From, and Why It Works," by Cynthia Mills.EBSCO_bspPublishers Weekly
The will of the organisms themselves D. A sudden change in the E. arth's climate 相关知识点: 试题来源: 解析 B。解析:选项A人类干扰不是物种变化的主要驱动力,虽然人类活动会对生物有影响,但不是主要的进化驱动力。选项B正确,基因变异和自然选择是物种变化的主要驱动因素,基因变异提供了原材料,自然选择...
出版年:2011-2 页数:64 定价:$ 12.37 ISBN:9780778772057 豆瓣评分 目前无人评价 评价: 写笔记 写书评 加入购书单 分享到 内容简介· ··· Charles Darwin is known as the father of evolutionary biology. This engaging title examines how Darwin developed his controversial theory of evolution, including...
【预订】What Is the Theory of Evolution? 预订商品,平装,需要1-3个月发货,非质量问题不接受退换货。 手机专享价 ¥ 当当价 降价通知 ¥117.29 配送至 北京市东城区 运费6元,满49元包邮 服务 由“当当”发货,并提供售后服务。 加入购物车 当当自营 ...
On the other hand, a republic is defined by the rule of law, where legal principles are paramount and provide a framework for governance. The Constitution is the supreme law of the land, restraining the powers of government and protecting individual rights from infringement by the majority. Unde...
in itself a directedness towards knowledge of the good: of the good life, or of the good society. For the good society is the complete political good. pp.10.)【政治哲学与哲学】“如果人们把获得有关好的生活、好的社会的知识作为他们明确的目标,政治哲学就出现了。”【2】(If the directedness ...
Theory of Evolution: How did Darwin come up with it? - BBC News 28 related questions found What is Lamarck theory? Lamarckism,a theory of evolution based on the principle that physical changes in organisms during their lifetime—such as greater development of an organ or a part through incre...