On the Origin of Species: By Means of Natural Selection Or the Preservation of Favoured Races in the Struggle for LifePenguin Classics, 2009 - Всего страниц: 516 Darwins Idea, Evolution through natural selection, actually explains the meaning of life; it is the biggest single idea ever, its breadth and scope enormous, its means so perfectly economic, its capacity to shock and excite persist, to this day. 'Such emotion and passion over a search for essential truth are also the substance of art, such belief and relevance it goals. The myriad ways of understanding and expressing the beauty of life are a constant inspiration. |
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Стр. 160
... allied or representative species , evidently filling nearly the same place in the natural economy of the land . These representative species often meet and interlock ; and as the one becomes rarer and rarer , the other becomes more and ...
... allied or representative species , evidently filling nearly the same place in the natural economy of the land . These representative species often meet and interlock ; and as the one becomes rarer and rarer , the other becomes more and ...
Стр. 354
... allied species occur , there will be found many forms which some naturalists rank as distinct species , and some as varieties ; these doubtful forms showing us the steps in the process of modification . This relation between the power ...
... allied species occur , there will be found many forms which some naturalists rank as distinct species , and some as varieties ; these doubtful forms showing us the steps in the process of modification . This relation between the power ...
Стр. 417
... allied or representative species in any two areas , implies , on the theory of descent with modification , that the same parents formerly inhabited both areas ; and we almost invariably find that wherever many closely allied species ...
... allied or representative species in any two areas , implies , on the theory of descent with modification , that the same parents formerly inhabited both areas ; and we almost invariably find that wherever many closely allied species ...
Содержание
Acknowledgements | vii |
Introduction | xv |
Further Reading | liv |
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accumulated adapted affinities allied species analogous ancient appear become bees believe birds breeds cause cells chapter characters Charles Darwin cirripedes climate closely allied colour common parent continued crossed crustaceans Darwin degree difficulty distinct species divergence domestic doubt eggs embryo Europe existing exterminated extinct extremely facts favourable fertility flowers formations forms fossil Gärtner genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hybrids important individuals inhabitants inherited insects instance instincts intercrossing intermediate varieties land larvae less living Lyell male mammals manner migration modified descendants natural selection naturalists nearly nest occasionally oceanic islands offspring organisation Origin Origin of Species palaeontologists palaeozoic perfect pigeons pollen present principle probably produced progenitor ranked remarked reproductive resemble seeds sexual selection Silurian slight South America sterility structure struggle successive supposed theory tion trees variability variation vary whole widely