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 22
... origin of our domestic animals is , that we find in the most ancient times , on the monuments of Egypt , and in the lake - habitations of Switzerland , much diversity in the breeds ; and that some of these ancient breeds closely ...
... origin of our domestic animals is , that we find in the most ancient times , on the monuments of Egypt , and in the lake - habitations of Switzerland , much diversity in the breeds ; and that some of these ancient breeds closely ...
Página 60
... ORIGIN OF SPECIES war between insect and insect - between insects , snails , and other animals with birds and beasts of prey - all striving to increase , all feeding on each other , or on the trees , their seeds and seedlings , or on ...
... ORIGIN OF SPECIES war between insect and insect - between insects , snails , and other animals with birds and beasts of prey - all striving to increase , all feeding on each other , or on the trees , their seeds and seedlings , or on ...
Página 107
... origin of some of our domestic animals from several wild stocks ; the blood , for instance , of a tropical and arctic wolf may perhaps be mingled in our domestic breeds . The rat and mouse cannot be consid- ered as domestic animals ...
... origin of some of our domestic animals from several wild stocks ; the blood , for instance , of a tropical and arctic wolf may perhaps be mingled in our domestic breeds . The rat and mouse cannot be consid- ered as domestic animals ...
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