But close e某amination of those fossil deposits now reveals a somewhat different story. Horses evolved in discrete steps, each of which persisted almost unchanged for millions of years and was eventually replaced by a distinctive newer model. The four-toed Eohippus preceded the three-toed Mio...
【Paragraph 1】A heated debate has enlivened recent studies of evolution. Darwin’ s original thesis, and the viewpoint supported by evolutionary gradualists, is that species change continuously but slowly and in small increments. Such changes are all but invisible over the short time scale of m...
【1】A heated debate has enlivened recent studies of evolution. Darwin's original thesis, and the viewpoint supported by evolutionary gradualists, is that species change continuously but slowly and in small increments. Such changes are all but invisible over the short time scale of modern observa...
【1】A heated debate has enlivened recent studies of evolution. Darwin's original thesis, and the viewpoint supported by evolutionary gradualists, is that species change continuously but slowly and in small increments. Such changes are all but invisible over the short time scale of modern observa...
原文最后一段，说渐进论应该会是环境比较稳定的情况下的进化规则。符合渐进论。
Marshall, "The Evolution of the Seven Steps of Selling," Industrial Marketing Management 34 (2005): 13-22; Rolph Anderson, "Personal Selling and Sales Management in the New Millennium," Journal of Personal Selling & Sales Management XVI (Fall 1996): 17-32....
提高浏览成绩,打有准备的仗,下面我给大家带来托福浏览TPO30(试题+答案+译文)第2篇:ThePaceofEvolutionaryChange,希望大家喜欢。托福浏览原文【1】Aheateddebatehasenlivenedrecentstudiesofevolution.Darwinsoriginalthesis,andtheviewpointsupportedbyevolutionarygradualists,isthatspecieschangecontinuouslybutslowlyandinsmall...
But close examination of those fossil deposits now reveals a somewhat different story. Horses evolved in discrete steps, each of which persisted almost unchanged for millions of years and was eventually replaced by a distinctive newer model. The four-toed Eohippus preceded the three-toed Miohippus,...
(2015) Evolution: steps on the road ... A Roth,S Diederichs 被引量: 0发表: 2015年 Formation of mRNA 3′ Ends in Eukaryotes: Mechanism, Regulation, and Interrelationships with Other Steps in mRNA Synthesis Formation of mRNA 3' ends in eukaryotes requires the interaction of transacting factors...
modelofcontinuouschange.Intermediatedfossilforms,predictedbygradualism,aretypicallylacking.Inmostlocalitiesagivenspeciesofclamorcoralpersistsessentiallyunchangedthroughoutathickformationofrock,onlytobereplacedsuddenlybyanewanddifferentspecies.TheevolutionofNorthAmericanhorse,whichwasoncepresentedasaclassictextbookexampleof...