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...
Natural selection (biology definition):a process in nature in which organisms possessing certain genotypic characteristics that make them better adjusted to an environment tend to survive, reproduce, increase in number or frequency, and therefore, are able to transmit and perpetuate their essential genot...
Which of the following best illustrates natural selection? A. A group of birds with different beak shapes are all given the same type of food in a laboratory. B. In a forest, birds with longer beaks are more likely to survive and reproduce because they can reach deeper into flowers for n...
Critical conditions for natural selection in multidimensional evolutionary spaces and general requirements following from these conditions and corresponding to the prebiotic evolutionary stage are discussed.doi:10.1134/S0031030113090037V. A. AvetisovSpringer USPaleontological Journal...
自然选择(Natural selection)导致后代产生有利于生存的特征 25 Animals With Insane Survival Adaptations The Indonesian Mimic Octopus Natural Selection - Crash Course Biology #14 有性繁殖过程产生的后代都是新的组合,也就是某个群体中如果产生了variation,在某个特定的的生存环境中,后代中各种表型都有,其中存在某...
Understanding Natural Selection One of the most well-known examples of natural selection in the field of biology is that of the English peppered moth. Although the English peppered moth has always existed in a variety of colors, until theIndustrial Revolutionin England, the light gray, spotted va...
Title page of Charles Darwin's On the Origin of Species by Means of Natural Selection,... Library of Congress, Washington, D.C. (neg. no. LC-USZ62-95224)VIEW MORE in these related Britannica articles: Media for: adaptation Media for: evolution Media for: selection Media for: life...
Natural selection is a mechanism for generating an exceedingly high degree of improbability. 自然选择就是能生成极不可能之事的机制。 ——Ronald Fisher(费舍) 从生物学里找计算的模型,一直是人工智能的研究方向之一,学术上大致有两条传承的脉络:一条源自麦卡洛克和皮茨的神经网络,演化到今天成了深度学习;另一...
Evolution by natural selection is the dominant and unifying theme in biology, yet many college students hold alternative conceptions about the topic even after completing general biology. To develop effective instructional strategies and track conceptual understanding, it is useful to have a detailed asse...
Group selection, in biology, a type of natural selection that acts collectively on all members of a given group. Group selection may also be defined as selection in which traits evolve according to the fitness (survival and reproductive success) of group