The history of the peppered moth(灰蛾)is an example of the natural selection process. In 19th century England, certain types 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...
D. People plant different types of flowers in a garden. 相关知识点: 试题来源: 解析 C。解析:自然选择是指生物在生存斗争中适者生存、不适者被淘汰的现象。C 选项中昆虫对杀虫剂产生抗性是因为在使用杀虫剂的环境中,具有抗药性的昆虫能够生存下来并繁殖后代,这是自然选择的一个例子。A 选项是人工选择;B...
A. Only the strong should exist in society B. The concept of meritocracy C. Survival is only based on physical strength D. The E. nvironment has no role in determining success 相关知识点: 试题来源: 解析 B。解析:生物中的自然选择是适者生存,从哲学角度这与精英统治的概念相关。A说社会中只...
types 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 ...
63. 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 be- ginning to be recognized and studied. 【结构剖析】...
(43) 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. As the interaction between organism ...
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. 问题 句子分析(俗称“长难句分析”)是训练提...
What is natural selection? A. A random process. B. The process by which organisms with traits that are better suited to their environment are more likely to survive and reproduce. C. A process that only occurs in birds. D. A process that always leads to the E. volution of new species...
(1)定语前置翻译: in evolution修饰 natural selection,而 of natural selection又作定语 修饰the role,因此role为主语中心词,将定语前置翻译,译文为“自然选择在进化过程中 的作用 (2)被动语态:按照被动语态的翻译方法,第一个简单句中的 was formulated处理 ...
【题目】Natural selection is the process by which one type of animal within a species thrives berause of certain characteristies that make it more likely to live than others in its group. The history of the pep-pered moth (蛾) is an exanple of the natural seleetion process.In 19th ...