The Origin of Species by Means of Natural Selection: Or, The Preservation of Favored Races in the Struggle for Life, Volumen2AMS Press, 1972 |
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Página 221
... inherited so much in common in their constitution , that they are apt to vary under similar exciting causes in a ... inheritance from a common progenitor . As species belonging to distinct classes have often been adapted by successive ...
... inherited so much in common in their constitution , that they are apt to vary under similar exciting causes in a ... inheritance from a common progenitor . As species belonging to distinct classes have often been adapted by successive ...
Página 277
... inherited for long periods . As long as the conditions of life remain the same , we have reason to believe that a modification , which has already been inherited for many generations , may continue to be inherited for an almost infinite ...
... inherited for long periods . As long as the conditions of life remain the same , we have reason to believe that a modification , which has already been inherited for many generations , may continue to be inherited for an almost infinite ...
Página 291
... inheritance or community of descent . The Natural System is a gene- alogical arrangement , with the acquired grades ... inherited at a corresponding not early period of life , we clearly see why the embryos of mammals , birds , reptiles ...
... inheritance or community of descent . The Natural System is a gene- alogical arrangement , with the acquired grades ... inherited at a corresponding not early period of life , we clearly see why the embryos of mammals , birds , reptiles ...
Contenido
CONTENTS OF VOL | 1 |
CHAPTER X | 48 |
CHAPTER XII | 129 |
Derechos de autor | |
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Otras ediciones - Ver todas
The Origin of Species by Means of Natural Selection: Or, The Preservation of ... Charles Darwin Vista de fragmentos - 1962 |
The Origin of Species by Means of Natural Selection: Or, The Preservation of ... Charles Darwin Vista de fragmentos - 1963 |
Términos y frases comunes
accumulated adapted admit adult affinity allied species ancient animals appear Archipelago arctic areas become beds believe birds breeds Cambrian changes characters classification climate closely allied continent crustaceans degree deposited difficulty distant distinct species domestic doubt embryo Europe existing extinct fact faunas fertilised fertility flowers formations formerly forms fossil fresh-water Fritz Müller Gärtner genera genus geological period geological record Glacial period groups of species habits hybrids hybrids produced important individuals inhabitants inherited insects instance intermediate intervals land larvæ less living mammals manner marine Marsupials migration modified descendants mongrels mountains natural selection naturalists nearly occur oceanic islands offspring organisation parent parent-form peculiar perfect pistil plants pollen present probably produced quadrupeds reciprocal crosses regions remains remarked reproductive resemblance rocks rudimentary organs seeds Silurian slight South America species belonging stage stamens sterility structure successive suppose terrestrial tertiary tion variations varieties whilst widely different wings