The Origin of Species by Means of Natural Selection, Or, The Preservation of Favored Races in the Struggle for LifeWerner Company, Book Manufacturers, 1900 - 538ÆäÀÌÁö |
µµ¼ º»¹®¿¡¼
30°³ÀÇ °á°ú Áß 1 - 3°³
72 ÆäÀÌÁö
... resemble varieties , for they differ from each other by less than the usual amount of differ- ence . Moreover , the species of the larger genera are re- lated to each other , in the same manner as the varieties of any one species are ...
... resemble varieties , for they differ from each other by less than the usual amount of differ- ence . Moreover , the species of the larger genera are re- lated to each other , in the same manner as the varieties of any one species are ...
283 ÆäÀÌÁö
... resemble for the sake of protection various objects , such as green or decayed leaves , dead twigs , bits of lichen ... resemblance is often wonderfully close , and is not confined to colour , but extends to form , and even to the manner ...
... resemble for the sake of protection various objects , such as green or decayed leaves , dead twigs , bits of lichen ... resemblance is often wonderfully close , and is not confined to colour , but extends to form , and even to the manner ...
301 ÆäÀÌÁö
... resemblance as a special diffi- culty ; or even their resemblance to the head and beak of a bird . The avicularia are ... resemble in some degree the avicularia of Polyzoa , both serving as pincers , it may be worth while to show that ...
... resemblance as a special diffi- culty ; or even their resemblance to the head and beak of a bird . The avicularia are ... resemble in some degree the avicularia of Polyzoa , both serving as pincers , it may be worth while to show that ...
±âŸ ÃâÆǺ» - ¸ðµÎ º¸±â
ÀÚÁÖ ³ª¿À´Â ´Ü¾î ¹× ±¸¹®
adapted advantage allied animals and plants appear Asa Gray beak become bees believe birds breeds caudicle cause cells characters climate closely colour common crossed cuckoo degree descendants developed difficulty distinct species disuse domestic animals domestic races doubt effects eggs existence extinct extremely facts favourable females flowers forms Fritz Müller genera genus giraffe gradations greater number groups habits Hence hermaphrodites hive-bee important improved increase individuals inhabitants inherited insects instance instincts intercrossing intermediate kind lamell©¡ large number larger genera larv©¡ less males manner Melipona Mivart modified natural selection naturalists nearly nest occasionally offspring organisation organs origin Origin of Species parent perfect period pigeons pollen pollen-grains present preserved prey principle probably produced progenitor quadrupeds rank Red Grouse relation remarked resemble rock-pigeon seeds sexes sexual sexual selection slight stamens structure struggle supposed swimbladder tend tendency tion tree variability variations varieties vary widely wings young