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...
What Is the Theory of Evolution? by Robert Walker (Shaping Modern Science series) (eBook)Walker, Robert
【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。进口好书抢先订,点击前往! 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。
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...
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 ...
Stressisastateofmentaloremotionalfatigue(疲劳). 2 Thisisthereasonwhywefailto rememberorlearnnewthingswhenwearementallystressed.Topreventstress-relatedlossof memoryandlearningability,onehastofindthefactorsthatincreasestressandanxietyanddeal withthem. Ifyouexerciseonaregularbasis,yourbodywillbecomestrongerovertime....
高频单词:evolution ▶evolution :英 [ˌiːvə'luːʃn]n. 演变;进化论;进展;放出双语例句:What is the first step in evolution?进化的第一步是什么? 记忆技巧:e- 向外,离开 + volut 卷,转变 + -ion 行为,状态 💥词汇搭配:theory of evolution 进化学说,进化论peaceful evolution 和平演变...
1.Whereisthistextprobablytakenfrom? A.Atextbook. B.Anexampaper C.Acourseplan. D.Anacademicarticle. 2.How manypartsisastudent?sfinalgrademade upof? A.Two. B.Three. C.Four. D.Five. 3.Whatwillhappenifyousubmitanessayone weekaftertheduedate? A.Youwillreceiveazero. B.Youwilllosealettergrade...
根据题干关键词Darwin’s evolution theory定位到原文第二段。由第七句...“The Origin of Species”because he thought he was about to be scooped by his fellow naturalist Alfred Russel Wallace,who had independently come up with much the same idea of evolution through natural selection.可知,达尔文急...
What is parallel evolution theory? What were the observations that darwin made that led to his theory of evolution? What is survival of the fittest in biology? What does the modern synthesis of evolutionary theory predict? What is the evolutionary outcome of genetic drift?