Only in response to E. nvironmental changes 相关知识点: 试题来源: 解析 C。解析:根据现代综合进化论,进化发生在多个层面,包括基因、个体、种群和物种层面。不仅仅发生在物种层面,A选项错误;也不只是在个体层面,B选项错误;也不是仅仅响应环境变化才发生,D选项错误。
7.Evolution occurs as a result of ___ (adapt) to new environments.8.I remember well that the class ___ (dismiss)early that day because of bad weather.9.The concert ___ (broadcast) live and attracted the largest one night audience in the history of television up to that time....
Cancer develops through a process of somatic evolution1,2. Sequencing data from a single biopsy represent a snapshot of this process that can reveal the timing of specific genomic aberrations and the changing influence of mutational processes3. Here, by
Extreme weather events lead to significant adverse societal costs. Extreme Event Attribution (EEA), a methodology that examines how anthropogenic greenhouse gas emissions had changed the occurrence of specific extreme weather events, allows us to quantif
Evolutionaryconservation occurs when a characteristic is___ A、importantto the life of the organism. B、notinfluenced by evolution. C、nolonger functionally important. D、foundin more primitive organisms. 点击查看答案
However, if we restrict our happiness to things of this life we will run into the problem of desire which C.S. Lewis speaks of in Mere Christianity when he says, “I find in myself desires which nothing in this world can satisfy.” Therefore, seek virtue and happiness in this life, ...
Tests of selection were consistent with purifying selection constraining evolution of the transcriptome. However, we found an elevation in the proportion of non-synonymous sites that were potentially deleterious in the E. paniculata selfers relative to the outcrosser. Measurements of codon usage in hig...
Galapagos tortoises are the product of over 3 billion years of evolution Andy Rouse / Getty There are all sorts of ways to reconstruct the history of life on Earth. Pinning down when specific events occurred is often tricky, though. For this, biologists depend mainly on dating the rocks in ...
Understanding how and why menopause has evolved is a long-standing challenge across disciplines. Females can typically maximize their reproductive success by reproducing for the whole of their adult life. In humans, however, women cease reproduction seve
Excitons, Coulomb-driven bound states of electrons and holes, are typically composed of integer charges1,2. However, in bilayer systems influenced by charge fractionalization3,4, a more interesting form of interlayer exciton can emerge, in which pairing occurs between constituents that carry fractiona...