The Origin of Species by Means of Natural Selection: Or the Preservation of Favored Races in the Struggle for Life |
From inside the book
Results 1-5 of 69
Page 67
... advantages that enabled their parents to become dominant over their compatriots . In these remarks on predominance , it should be understood that reference is made only to the forms which come into competition with each other , and more ...
... advantages that enabled their parents to become dominant over their compatriots . In these remarks on predominance , it should be understood that reference is made only to the forms which come into competition with each other , and more ...
Page 94
... advantage of plumed seeds no doubt stands in the closest relation to the land being already thickly clothed with other plants ; so that the seeds may be widely dis- tributed and fall on unoccupied ground . In the water- beetle , the ...
... advantage of plumed seeds no doubt stands in the closest relation to the land being already thickly clothed with other plants ; so that the seeds may be widely dis- tributed and fall on unoccupied ground . In the water- beetle , the ...
Page 95
... advantage over its competitors , or over the animals which prey on it . On the confines of its geographical range , a change of constitution with respect to climate would clearly be an advantage to our plant ; but we have reason to ...
... advantage over its competitors , or over the animals which prey on it . On the confines of its geographical range , a change of constitution with respect to climate would clearly be an advantage to our plant ; but we have reason to ...
Page 96
... advantage over a different set of competi- tors or enemies . It is good thus to try in imagination to give to any one species an advantage over another . Probably in no single instance should we know what to do . This ought to convince ...
... advantage over a different set of competi- tors or enemies . It is good thus to try in imagination to give to any one species an advantage over another . Probably in no single instance should we know what to do . This ought to convince ...
Page 98
... advantage , however slight , over others , would have the best chance of surviving and of procreating their kind ? On the other hand , we may feel sure that any variation in the least degree injurious would be rigidly destroyed . This ...
... advantage , however slight , over others , would have the best chance of surviving and of procreating their kind ? On the other hand , we may feel sure that any variation in the least degree injurious would be rigidly destroyed . This ...
Other editions - View all
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