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 655
... resemble one another much more closely than they resemble their own males . In the genus Papilio , all the species of the Æneas group are remarkable for their conspicuous and strongly contrasted colours , and they illustrate the ...
... resemble one another much more closely than they resemble their own males . In the genus Papilio , all the species of the Æneas group are remarkable for their conspicuous and strongly contrasted colours , and they illustrate the ...
Página 788
... resemble the mature redpole and female siskin , as well as the young of the goldfinch , greenfinch , and some other allied species . The young of many kinds of buntings ( Emberiza ) resemble one another , and likewise the adult state of ...
... resemble the mature redpole and female siskin , as well as the young of the goldfinch , greenfinch , and some other allied species . The young of many kinds of buntings ( Emberiza ) resemble one another , and likewise the adult state of ...
Página 789
... resemble their parents , it is not meant that they are identically alike , for their col- ours are almost always ... resemble her much more closely than they do the adult male . II . When the adult female is more conspicuous than the ...
... resemble their parents , it is not meant that they are identically alike , for their col- ours are almost always ... resemble her much more closely than they do the adult male . II . When the adult female is more conspicuous than the ...
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