On the Origin of Species by Means of Natural Selection, Or, The Preservation of Favoured Races in the Struggle for LifeAppleton, 1898 |
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Página 151
... Mountains , in the United States of America , are all the same with those of Labrador , and nearly all the same , as we hear from Asa Gray , with those on the loftiest mountains of Europe . Even as long ago as 1747 , such facts led ...
... Mountains , in the United States of America , are all the same with those of Labrador , and nearly all the same , as we hear from Asa Gray , with those on the loftiest mountains of Europe . Even as long ago as 1747 , such facts led ...
Página 152
... mountains of Scotland and Wales , with their scored flanks , pol- ished surfaces , and perched boulders , of the icy streams with which their valleys were lately filled . So greatly has the climate of Europe changed , that in Northern ...
... mountains of Scotland and Wales , with their scored flanks , pol- ished surfaces , and perched boulders , of the icy streams with which their valleys were lately filled . So greatly has the climate of Europe changed , that in Northern ...
Página 153
... mountain - summits far distant from each other . Thus we can understand the identity of many plants at points so immensely remote as the mountains of the United States and those of Europe . We can thus also understand the fact that the ...
... mountain - summits far distant from each other . Thus we can understand the identity of many plants at points so immensely remote as the mountains of the United States and those of Europe . We can thus also understand the fact that the ...
Página 154
... mountains , the case will have been somewhat different ; for it is not likely that all the same arctic species will have been left on mountain - ranges far distant from each other , and have survived there ever since ; they will also in ...
... mountains , the case will have been somewhat different ; for it is not likely that all the same arctic species will have been left on mountain - ranges far distant from each other , and have survived there ever since ; they will also in ...
Página 155
Charles Darwin. Alpine plants and animals of the several great Euro- pean mountain - ranges one with another , though many of the species remain identically the same , some exist as varieties , some as doubtful forms or sub - species ...
Charles Darwin. Alpine plants and animals of the several great Euro- pean mountain - ranges one with another , though many of the species remain identically the same , some exist as varieties , some as doubtful forms or sub - species ...
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Términos y frases comunes
admit affinity allied species ancient animals appear Archipelago arctic areas become believe birds Cambrian changes characters cies classification climate closely allied common progenitor continent crustaceans degree deposited difficulty distant distinct species domestic doubt embryo eral 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 sediment seeds Silurian South America stage stamens sterility structure successive suppose terrestrial tertiary theory tion variations varieties whilst widely different wings