试题来源: 解析 B 选项分析: A) 进化(Evolution):指物种随时间的遗传变化,涉及种群而非个体。 B) 变态(Metamorphosis):昆虫从幼虫到成虫的形态转变,符合题意。 C) 生长(Growth):仅指体型增大,不涉及形态重构。 D) 适应(Adaptation):生物为环境调整特征,与转变过程无关。 结论:B正确,属于完全变态发育过程。
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...
What is the evidence for evolution?Dobzhansky, T
自然选择进化论是科学家们认为已经确立的一个理论: 一个对自然世界某些方面的广泛接受的解释，并且有大量的证据支持它。理论是经过反复确认的观点，其他观点往往以此为基础。多年来的许多观察和实验广泛支持了达尔文提出的进化论。事实上，这是我们理解生物学的一个基本部分，费奥多西·多布然斯基在1973年发表了一篇著名...
What is the role of natural selection in the process of evolution? In general, how do inheritance, mutation, and selection impact variation in a population? What is the relationship between population genetics and natural selection? What are the two conditions that are neces...
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 evolution?Evolution is changing over time. Under this broad definition, evolution can refer to a variety of changes that occur over time-the uplifting of mountains, the wandering of riverbeds, or the creation of new species. To understand the history of life on Earth though, we need...
State any one role of fossils in the study of the process of evolution. View Solution What do you understand by the process of polymerization? View Solution Which law tells us about the nature of force? View Solution What are fossil fuels? How do they cause air pollution ? View ...
Natural seection is the process by which evolution occurs. It assumes that in a population competing for resources, some individuals will have traits that are more suited to survival when compared to others, and so will have a better chance of passing on...
A. ALife holds the key to human future.B. ALife and AI share a common feature.C. AI mirrors the developments of ALife.D. AI speeds up the process of human evolution.34. Which would be the best title for the passage?A. Life Is Undefined. Can AI Be a Way Out?B. Life Evolves. ...