Darwiniana: EssaysAppleton, 1894 - 475페이지 |
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vi 페이지
... characters in some cases ; and the struggle for existence within the organism , which probably lies at the bottom of both of these phenomena . Some apology is due to the reader for the repro- duction of the " Lectures to Working Men ...
... characters in some cases ; and the struggle for existence within the organism , which probably lies at the bottom of both of these phenomena . Some apology is due to the reader for the repro- duction of the " Lectures to Working Men ...
16 페이지
... character , and breeds . from them . Their offspring are then carefully examined , and those which exhibit the peculiarity the most distinctly are selected for breeding ; and this operation is repeated until the desired amount of ...
... character , and breeds . from them . Their offspring are then carefully examined , and those which exhibit the peculiarity the most distinctly are selected for breeding ; and this operation is repeated until the desired amount of ...
19 페이지
... characters of a new species . But , on the other hand , if the conditions of life change in any degree , however slight , B may no longer be that form which is best adapted to with- stand their destructive , and profit by their sus ...
... characters of a new species . But , on the other hand , if the conditions of life change in any degree , however slight , B may no longer be that form which is best adapted to with- stand their destructive , and profit by their sus ...
26 페이지
... character . That part of biological science which deals with form and structure is called Morphology - that which concerns itself with function , Physiology- so that we may conveniently speak of these two senses , or aspects , of ...
... character . That part of biological science which deals with form and structure is called Morphology - that which concerns itself with function , Physiology- so that we may conveniently speak of these two senses , or aspects , of ...
27 페이지
... characters , as far as the fifth in the above list , all asses have tufted tails , and have callosities only on the inner side of the fore - legs . If animals were discovered having the general characters of the horse , but sometimes ...
... characters , as far as the fifth in the above list , all asses have tufted tails , and have callosities only on the inner side of the fore - legs . If animals were discovered having the general characters of the horse , but sometimes ...
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action adapted admit Agamogenesis Ancon animalcules animals animals and plants appears biology birds body called causes character Charles Darwin course creation Crustacea Darwin Darwin's views Darwinian deposited direct doctrine of evolution doubt Dysteleology endeavour epigenesis epoch Erasmus Darwin essay evidence ex nihilo exhibited existence extinct fact favour Flourens geological germ give rise groups horse Hyæna hypothesis inorganic world inquiry kind knowledge Lamarck laws lectures less living Maillet male matter means ment Mivart modification natural selection naturalists objections observation offspring organic nature organisation Origin of Species ovum parent peculiar phenomena philosophical physiological pigeons present primitive stock principles produced Quarterly Reviewer question races reason remarkable result scientific selective breeding sensations sense special creation speculations structure Suarez substantial forms suppose Teleology tendency theory thing thought tion toes truth variation varieties vegetabilia vegetable vera causa Wallace whole