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 265
... Living Forms Let us now look to the mutual affinities of extinct and living species . All fall into a few grand classes ; and this fact is at once explained on the principle of descent . The more ancient any form is , the more , as a ...
... Living Forms Let us now look to the mutual affinities of extinct and living species . All fall into a few grand classes ; and this fact is at once explained on the principle of descent . The more ancient any form is , the more , as a ...
Página 273
... living marsupials of that con- tinent . In South America a similar relationship is manifest , even to an un- educated eye , in the gigantic pieces of armour , like those of the armadillo , found in several parts of La Plata ; and ...
... living marsupials of that con- tinent . In South America a similar relationship is manifest , even to an un- educated eye , in the gigantic pieces of armour , like those of the armadillo , found in several parts of La Plata ; and ...
Página 373
... living species will transmit its unaltered likeness to a distant futurity . And of the species now living very few will transmit progeny of any kind to a far distant futurity ; for the manner in which all organic beings are grouped ...
... living species will transmit its unaltered likeness to a distant futurity . And of the species now living very few will transmit progeny of any kind to a far distant futurity ; for the manner in which all organic beings are grouped ...
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 the Species by Means of Natural Selection Charles Darwin Sin vista previa disponible - 2012 |
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