What is the main driving force behind the process of evolution? A. The need for survival B. The struggle for existence C. The inheritance of acquired characteristics D. Natural selection 相关知识点: 试题来源: 解析 D。自然选择(Natural selection)是进化的主要驱动力。生存需求和生存斗争是自然选择...
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...
A. It slows down evolution. B. It has no effect on evolution. C. It provides the raw material for evolution. D. It makes E. volution more predictable. 相关知识点: 试题来源: 解析 C。解析:变异在进化中提供了原材料。变异产生了不同的性状,为自然选择提供了选择的对象。A 选项变异不会减慢进...
What is the result of the evolution of butterflies? A. They become smaller. B. They become more beautiful. C. They become less colorful. D. They disappear. 相关知识点: 试题来源: 解析 B。解析:文章最后提到蝴蝶的美丽颜色是进化的结果,所以进化的结果是它们变得更美丽。
【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 ...
They always cause over - population in the places they migrate to D. They have no connection with the E. cological balance of the destination ecosystem 相关知识点: 试题来源: 解析 B。解析:选项A说候鸟等迁徙动物在迁徙时破坏当地动物的正常生命周期是不准确的。迁徙动物在进化过程中,当它们迁徙到不...
Biological evolution is the process by which species change over time. What is the main mechanism of evolution? A. natural selection B. genetic mutation C. laboratory experiments D. human intervention 相关知识点: 试题来源: 解析 A。生物进化是物种随时间变化的过程,自然选择是进化的主要机制。选项 ...
What Is the Outcome of Evolution?The question of qualitative changes during the major transitions in evolution is developed in this chapter. The concept is introduced that among these changes were increases in individual organismal adoi:10.1007/978-3-319-04141-4_1Bernd Rosslenbroich...
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...
( )8.Whatcanbethesuitabletitleofthepassage? A.Fullstops:beoriginal B.Fullstops:becautious 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...