The Origin of Species by Means of Natural Selection, Or, The Preservation of Favored Races in the Struggle for Life: Reprinted from the Sixth London Edition, with All Additions and CorrectionsA. L. Burt Company, 1890 - 458ÆäÀÌÁö |
µµ¼ º»¹®¿¡¼
74°³ÀÇ °á°ú Áß 1 - 3°³
325 ÆäÀÌÁö
... FORMATION . From these several considerations it cannot be doubted that the geological record , viewed , as a whole , is extremely imperfect ; but if we confine our attention to any one formation , it becomes much more difficult to ...
... FORMATION . From these several considerations it cannot be doubted that the geological record , viewed , as a whole , is extremely imperfect ; but if we confine our attention to any one formation , it becomes much more difficult to ...
328 ÆäÀÌÁö
... formation in any country , has generally been intermittent in its accumulation . When we see , as is so often the ... formation . Many cases could be given of the lower beds of a formation having been up- raised , denuded , submerged ...
... formation in any country , has generally been intermittent in its accumulation . When we see , as is so often the ... formation . Many cases could be given of the lower beds of a formation having been up- raised , denuded , submerged ...
370 ÆäÀÌÁö
... formation has not been continuously deposited ; that the duration of each formation is probably short com- pared with the average duration of specific forms ; that migration has played an important part in the first appear- ance of new ...
... formation has not been continuously deposited ; that the duration of each formation is probably short com- pared with the average duration of specific forms ; that migration has played an important part in the first appear- ance of new ...
±âŸ ÃâÆǺ» - ¸ðµÎ º¸±â
The Origin of Species by Means of Natural Selection: Or, The ..., 1-2±Ç Charles Darwin ªÀº ¹ßÃé¹® º¸±â - 1890 |
ÀÚÁÖ ³ª¿À´Â ´Ü¾î ¹× ±¸¹®
adapted admit affinities ALEXANDRE DUMAS allied species America ancient appear beak become bees believe belonging birds breeds cause cells characters climate closely allied color continued crossed crustaceans degree developed difficulty distinct species domestic doubt effects eggs embryo existing extinct extremely facts favorable females fertility flowers formation forms fossil Fritz Müller genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hybrids important individuals inhabitants inherited insects instance instincts intercrossing intermediate intervals kind lamell©¡ larv©¡ less living male mammals manner marsupials migration modified descendants natural selection naturalists nearly nest oceanic islands offspring organs paleozoic parent peculiar perfect pigeons pistil pollen present principle probably produced quadrupeds ranked remarked resemblance rudimentary seeds Silurian SIR WALTER SCOTT slight South America stamens sterility structure successive suppose tend theory tion trees variability variations varieties vary whole widely different wings young