The Origin of Species by Means of Natural Selection: Or, the Preservation of Favored Races in the Struggle for Life, 1±ÇD. Appleton, 1898 |
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... less improved forms of life , and leads to what I have called Diver- gence of Character . In the next chapter I shall discuss the complex and little known laws of variation . In the five succeeding chapters , the most apparent and ...
... less improved forms of life , and leads to what I have called Diver- gence of Character . In the next chapter I shall discuss the complex and little known laws of variation . In the five succeeding chapters , the most apparent and ...
6 ÆäÀÌÁö
... less do we know of the mutual rela- tions of the innumerable inhabitants of the world during the many past geological epochs in its history . Although much remains obscure , and will long remain obscure , I can entertain no doubt ...
... less do we know of the mutual rela- tions of the innumerable inhabitants of the world during the many past geological epochs in its history . Although much remains obscure , and will long remain obscure , I can entertain no doubt ...
10 ÆäÀÌÁö
... less water at some particular period of growth , will determine whether or not a plant will produce seeds . I cannot here give the details which I have collected and elsewhere published on this curious subject ; but to show how singular ...
... less water at some particular period of growth , will determine whether or not a plant will produce seeds . I cannot here give the details which I have collected and elsewhere published on this curious subject ; but to show how singular ...
12 ÆäÀÌÁö
... less and the bones of the leg more , in proportion to the whole skeleton , than do the same bones in the wild - duck ; and this change may be safely attributed to the domestic duck flying much less , and walking more , than its wild ...
... less and the bones of the leg more , in proportion to the whole skeleton , than do the same bones in the wild - duck ; and this change may be safely attributed to the domestic duck flying much less , and walking more , than its wild ...
15 ÆäÀÌÁö
... less strange and commoner deviations may be freely admitted to be inheritable . Perhaps the correct way of viewing the whole sub- ject would be , to look at the inheritance of every character whatever as the rule , and non - inheritance ...
... less strange and commoner deviations may be freely admitted to be inheritable . Perhaps the correct way of viewing the whole sub- ject would be , to look at the inheritance of every character whatever as the rule , and non - inheritance ...
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adapted advantage allied analogous 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 divergence 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 increase 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 rarely Red Grouse relation remarked resemble rock-pigeon seeds sexes sexual selection slight stamens striped structure struggle supposed swimbladder tend tendency tion tree variability variations varieties vary widely wings young