On the Origin of Species by Means of Natural Selection: Or The Preservation of Favored Races in the Struggle for Life, 2±ÇD. Appleton, 1888 - 458ÆäÀÌÁö |
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xiv ÆäÀÌÁö
... similar views , as shown in the Intro- duction to a work written in 1794 and 1795 , but not published till long afterwards he has pointedly remarked ( Goethe als Naturforscher , ' von Dr. Karl Meding , s . 34 ) that the future question ...
... similar views , as shown in the Intro- duction to a work written in 1794 and 1795 , but not published till long afterwards he has pointedly remarked ( Goethe als Naturforscher , ' von Dr. Karl Meding , s . 34 ) that the future question ...
xx ÆäÀÌÁö
... similar belief . Similar views have , as is well known , been maintained by Oken in his mystical Natur - Philosophie . ' From other references in Godron's work ' Sur l'Espèce , ' it seems that Bory St. Vincent , Burdach , Poiret , and ...
... similar belief . Similar views have , as is well known , been maintained by Oken in his mystical Natur - Philosophie . ' From other references in Godron's work ' Sur l'Espèce , ' it seems that Bory St. Vincent , Burdach , Poiret , and ...
6 ÆäÀÌÁö
... similar variations sometimes arise under , as far as we can judge , dissimilar conditions ; and , on the other hand , dissimila variations arise under conditions which appear to be nearly uniform . The effects on the offspring are ...
... similar variations sometimes arise under , as far as we can judge , dissimilar conditions ; and , on the other hand , dissimila variations arise under conditions which appear to be nearly uniform . The effects on the offspring are ...
17 ÆäÀÌÁö
... similar habits with the rock- pigeon seems a very rash assumption . Morever , the several above- named domesticated breeds have been transported to all parts of the world , and , therefore , some of them must have been carried back ...
... similar habits with the rock- pigeon seems a very rash assumption . Morever , the several above- named domesticated breeds have been transported to all parts of the world , and , therefore , some of them must have been carried back ...
21 ÆäÀÌÁö
... similar conclusion in regard to the many species of finches , or other groups of birds , in nature . One circumstance has struck me much ; namely , that nearly all the breeders of the various domestic animals and the cultivators of ...
... similar conclusion in regard to the many species of finches , or other groups of birds , in nature . One circumstance has struck me much ; namely , that nearly all the breeders of the various domestic animals and the cultivators of ...
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adapted admit affinities allied species America analogous ancient appear Asa Gray beak become bees believe belonging birds breeds cause cells characters climate closely allied colour continued crossed crustaceans degree developed difficulty distinct species doubt effects eggs embryo existing extinct extremely facts favourable fertilised fertility flowers formation formerly forms fossil Fritz Müller genera genus geological geological period Glacial period gradations greater number habits Hence hybrids important individuals inhabitants inherited insects instance instincts intercrossing intermediate kind lamell©¡ larv©¡ less living male mammals manner Marsupials migration modified descendants natural selection naturalists nearly nest occasionally occur oceanic islands offspring organisation organs parent peculiar perfect pigeon pistil pollen present preserved principle probably produced quadrupeds ranked reciprocal crosses remarked reproductive resemblance rudimentary seeds sexual selection slight South America stamens sterility structure struggle successive supposed tend theory tion variability variations varieties vary whilst whole wings young