玛琦 2019-11-20 15:57:13 —— 引自章节:CHAPTER TWO VARIATION UNDER NA Owing to this struggle for life, any variation, however slight and from whatever cause proceeding, if it be in an degree profitable to an individual of any species, in its infinnitely complex relations to other organ...
1、On the Origin of Species, by Charles DarwinLONDON:JOHN MURRAY, ALBEMARLE STREET.1859.CONTENTS.INTRODUCTION.* CHAPTER 1. VARIATION UNDER DOMESTICATION.Causes of Variability.Effects of Habit.Correlation of Growth.Inheritance.Character of Domestic Varieties.Difficulty of distinguishing between Varietie 2...
13913855vrw创作的外语有声书作品On the Origin of Species,目前已更新62个声音,收听最新音频章节chapter7-1。
In the nineteenth century the advancement of science was largely due to an organized, descriptive effort associated with a number of important discoveries. It rested on a freeing of the intellect in a way that permitted scientific empiricism; it was aide
Darwin 1859 The Origin of Species Chapter IV in part Sexual Selection.pdfDarwin, C
Chapter pp 1–562 Cite this chapter Progress in the Chemistry of Organic Natural Products Y. Asakawa Part of the book series: Fortschritte der Chemie organischer Naturstoffe ((FORTCHEMIE (closed),volume 65)) 453 Accesses 3 Altmetric Abstract In the twelve years since the first review ...
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Systematic assessments of species extinction risk at regular intervals are necessary for informing conservation action1,2. Ongoing developments in taxonomy, threatening processes and research further underscore the need for reassessment3,4. Here we repor