根据第一段Natural selection is the process by which one type of animal within a species thrives because of certain characteristics that make it more likely to live than others in its group.可知,自然选择是一种过程,在这个过程中一种动物有使它比其他群体更有可能活下去的某些特征而能够更多地繁衍生息...
of peppered moths were able to better blend(融合)into their surroundings. During that time period, great changes were happening in Great Britain. The Industrial Revolution was part of this change, and with it came air pollution. Natural selection often takes hundred or even thousands of years ...
Natural selection is the process by which individuals with favorable traits are more likely to survive and reproduce, passing on those traits to future generations. An example of natural selection is the peppered moth, where the darker moths were more likely to survive and reproduce during the ind...
试题来源: 解析 B。解析:文中提到“Natural selection is the process by which organisms that are better adapted to their environment are more likely to survive and reproduce.”,自然选择是那些更适应环境的生物体更有可能生存和繁殖的过程。反馈 收藏 ...
unit of natural selectionThe gene as the solution to the debate over the level at which natural selection acts has often been termed as too reductionist, but is this a valid criticism? Exploring this question in the context of nonlinearity illuminates not only the debate over the unit of ...
A. It causes all plants to grow at the same rate. B. It makes all plants have the same adaptations. C. It leads to plants with beneficial traits surviving and reproducing more. D. It stops plants from changing over time. 相关知识点: 试题...
1英语翻译24.The role of natural selection in evolution was formulated only a little more than a hundred years ago,and the selective role of the environment in shaping and maintaining the behavior of the individual is only beginning to be recognized and studied.【译文】 自然选择在进化中的作用仅...
1.Natural competition in natural selection Fig.1 In the history of evolution of all species, including human beings, natural competition is seemed as the main driving force which compelled species to survive in the selection of nature. In this section we will discuss the competition in natural ...
英语翻译24.The role of natural selection in evolution was formulated only a little more than a hundred years ago,and the selective role of the environment in shaping and maintaining the behavior of the individual is only beginning to be recognize
Natural selection is the process by which one type of animal within a species thrives because of certain characteristics that make it more likely to live than others in its group. The history of the peppered moth (灰蛾) is an example of the natural selection process. In 19th century England...