Origin of SpeciesBoD – Books on Demand, 6 янв. 2023 г. - Всего страниц: 324 Charles Darwin changed our view of the world and of humanity forever. His theory of evolution provided the first conclusive explanation of how species evolve from other species, why they change and why they disappear again. As a young man, Darwin had been given the opportunity of a lifetime: He was allowed to take part in an expedition on the "Beagle" that took him around the world and lasted almost five years. Darwin's tireless research drive and the wide range of his topics made him the forefather of all modern biologists, and the theory of evolution he derived from it one of the most influential thinkers of all time. Gröls Classics - English Edition |
Содержание
INTRODUCTION | 6 |
VARIATION UNDER DOMESTICATION | 9 |
VARIATION UNDER NATURE | 34 |
STRUGGLE FOR EXISTENCE | 44 |
NATURAL SELECTION | 57 |
LAWS OF VARIATION | 90 |
DIFFICULTIES ON THEORY | 116 |
INSTINCT | 140 |
HYBRIDISM | 164 |
ON THE IMPERFECTION OF THE GEOLOGICAL RECORD | 186 |
ON THE GEOLOGICAL SUCCESSION OF ORGANIC BEINGS | 207 |
GEOGRAPHICAL DISTRIBUTION | 229 |
GEOGRAPHICAL DISTRIBUTIONcontinued | 253 |
MORPHOLOGY | 271 |
RECAPITULATION AND CONCLUSION | 302 |
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accumulated action adapted advantage allied America amount ancient animals appear become believe birds breeds cause characters climate closely common compared considered continuous crossed descended developed difficulty distinct domestic doubt effects existing explained extinct extremely facts families favourable fertility flowers follow formations forms genera genus geological give given greater groups habits hand Hence hybrids important improved increase individuals inhabitants inherited insects instance instincts intermediate islands kind land laws less living look male manner means migration modification namely natural selection naturalists nearly never occasionally occur offspring organic origin parent perfect period plants points present principle probably produced range ranked reason remarked resemblance seeds seems seen separated single slight sometimes species sterility structure struggle successive supposed tend theory understand variability variation varieties vary whole widely