The Origin of Species by Means of Natural Selection: Or the Preservation of Favored Races in the Struggle for Life |
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Page 3
... so admirably adapted to catch insects under the bark of trees . In the case of the mistletoe , which draws its nourishment from certain trees , which has seeds that must be transported by certain birds , and INTRODUCTION . 3.
... so admirably adapted to catch insects under the bark of trees . In the case of the mistletoe , which draws its nourishment from certain trees , which has seeds that must be transported by certain birds , and INTRODUCTION . 3.
Page 4
Or the Preservation of Favored Races in the Struggle for Life Charles Darwin. seeds that must be transported by certain birds , and which has flowers with separate sexes absolutely re- quiring the agency of certain insects to bring ...
Or the Preservation of Favored Races in the Struggle for Life Charles Darwin. seeds that must be transported by certain birds , and which has flowers with separate sexes absolutely re- quiring the agency of certain insects to bring ...
Page 9
... seed - capsule . At long intervals of time , out of millions of individuals reared in the same coun- try and fed on nearly the same food , deviations of structure so strongly pronounced as to deserve to be called monstrosities arise ...
... seed - capsule . At long intervals of time , out of millions of individuals reared in the same coun- try and fed on nearly the same food , deviations of structure so strongly pronounced as to deserve to be called monstrosities arise ...
Page 10
... seed ! In some few cases it has been discovered that a very trifling change , such as a little more or less water at some particular period of growth , will determine whether or not a plant will produce seeds . I cannot here give the ...
... seed ! In some few cases it has been discovered that a very trifling change , such as a little more or less water at some particular period of growth , will determine whether or not a plant will produce seeds . I cannot here give the ...
Page 12
... seed . They occur rarely under nature , but are far from rare under culture . As a single bud out of the many thousands , produced year after year on the same tree under uniform conditions , has been known suddenly to assume a new ...
... seed . They occur rarely under nature , but are far from rare under culture . As a single bud out of the many thousands , produced year after year on the same tree under uniform conditions , has been known suddenly to assume a new ...
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Common terms and phrases
adapted affinities allied species America ancient appear Asa Gray beak become bees believe belonging birds breeds cause cells characters climate closely allied colour common continent crossed crustaceans degree developed difficulty distinct species domestic doubt effects eggs embryo existing extinct extremely facts favourable fertilised 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 kind lamellę larvę less living males mammals manner marsupials migration modified descendants natural selection naturalists nearly nest occasionally offspring organisation organs parent peculiar perfect pigeon pistil pollen present principle probably produced progenitor quadrupeds ranked remarked resemblance rudimentary seeds sexual selection Silurian slight South America stamens sterility structure successive supposed swimbladder tend theory tion trees variability variations varieties vary whilst whole wings young