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. 317
... seeds afterwards germinated : the ripe seeds of Helosciad- ium sank in two days , when dried they floated for above 90 days , and afterwards germinated . Altogether out of the 94 dried plants , 18 floated for above 28 days , and some of ...
... seeds afterwards germinated : the ripe seeds of Helosciad- ium sank in two days , when dried they floated for above 90 days , and afterwards germinated . Altogether out of the 94 dried plants , 18 floated for above 28 days , and some of ...
Стр. 320
... seed of a vetch . Thus seeds might occasionally be transported to great distances ; for many facts could be given showing that soil almost every- where is charged with seeds . Reflect for a moment on the millions of quails which ...
... seed of a vetch . Thus seeds might occasionally be transported to great distances ; for many facts could be given showing that soil almost every- where is charged with seeds . Reflect for a moment on the millions of quails which ...
Стр. 321
... seeds for very great distances ; for seeds do not retain their vitality when exposed for a great length of time to the action of sea - water ; nor could they be long carried in the crops or intestines of birds . These means , how- ever ...
... seeds for very great distances ; for seeds do not retain their vitality when exposed for a great length of time to the action of sea - water ; nor could they be long carried in the crops or intestines of birds . These means , how- ever ...
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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