The Origin of Species by Means of Natural Selection: Or, The Preservation of Favored Races in the Struggle for Life and The Descent of Man and Selection in Relation to SexModern library, 1936 - 1000 páginas |
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Página 19
... inheritance . Every one must have heard of cases of albinism , prickly skin , hairy bodies , & c . , appearing in several members of the same family . If strange and rare deviations of structure are really inherited , less strange and ...
... inheritance . Every one must have heard of cases of albinism , prickly skin , hairy bodies , & c . , appearing in several members of the same family . If strange and rare deviations of structure are really inherited , less strange and ...
Página 343
... inherited at a corresponding not early period , But the case of the short - faced tumbler , which when twelve hours old possessed its prop- er characters , proves that this is not the universal rule ; for here the char- acteristic ...
... inherited at a corresponding not early period , But the case of the short - faced tumbler , which when twelve hours old possessed its prop- er characters , proves that this is not the universal rule ; for here the char- acteristic ...
Página 447
... inherited , as when birds on oceanic islands learn to avoid man . These actions may then be said to be degraded in character , for they are no longer performed through reason or from experience . But the greater number of the more ...
... inherited , as when birds on oceanic islands learn to avoid man . These actions may then be said to be degraded in character , for they are no longer performed through reason or from experience . But the greater number of the more ...
Otras ediciones - Ver todas
The Origin of Species by Means of Natural Selection: Or, The Preservation of ... Charles Darwin Vista de fragmentos - 1936 |
The Origin of Species by Means of Natural Selection: Or, The Preservation of ... Charles Darwin Vista de fragmentos - 1936 |
The Origin of Species by Means of Natural Selection: Or, The Preservation of ... Charles Darwin Vista de fragmentos - 1936 |
Términos y frases comunes
acquired adult allied apes appear beak beautiful become believe birds breeds cause characters civilised closely colour common confined crossed crustaceans degree descended developed distinct species domestic doubt eggs existing extinct extremely fact favourable feathers female fertility fishes formation forms Fritz Müller genera genus given gradations greater number groups habits Hence hybrids important individuals inhabitants inherited insects instance instincts intermediate islands kind larvæ latter Lepidoptera less likewise living lower animals Malay Archipelago males mammæ mammals manner Marsupials modified monkeys natural selection naturalists nearly nest observed ocelli offspring organs Origin of Species ornaments perfect period pigeons plumage pollen present probably produced progenitor quadrupeds races Red Grouse relation remarks resemble rudimentary seeds sexes sexual selection shew shewn slight South America sterility stridulating structure supposed tail tion variability variations varieties various vary whilst whole widely wings young