Animal BehaviourE. Arnold, 1900 - 344 pàgines |
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Pàgina 10
... modify its behaviour , but an alka- line fluid evokes a reversal of the cilia ; and that when it is a slightly acid solution , not only does stronger acid cause reversal , but normal fluid produces a similar result . A reaction of ...
... modify its behaviour , but an alka- line fluid evokes a reversal of the cilia ; and that when it is a slightly acid solution , not only does stronger acid cause reversal , but normal fluid produces a similar result . A reaction of ...
Pàgina 11
... modify and render abnormal the procedure which was before so mechanical in its exactitude ; and we are thus led to see how dependent the orderly behaviour really is on the maintenance of certain sur- rounding conditions . Moreover , the ...
... modify and render abnormal the procedure which was before so mechanical in its exactitude ; and we are thus led to see how dependent the orderly behaviour really is on the maintenance of certain sur- rounding conditions . Moreover , the ...
Pàgina 20
... modify and modernize this analogy - always remember- ing , however , that such an analogy must not be pushed too far . In the ordinary steam - engine the fuel is placed in the fire- box , to which the oxygen of the air gains access ...
... modify and modernize this analogy - always remember- ing , however , that such an analogy must not be pushed too far . In the ordinary steam - engine the fuel is placed in the fire- box , to which the oxygen of the air gains access ...
Pàgina 36
... modification under the stress of environing circumstances . The muscles may acquire unusual strength by use and ... modifications of structure or function in the organs or parts the term acquired is primarily applied . The tissues have ...
... modification under the stress of environing circumstances . The muscles may acquire unusual strength by use and ... modifications of structure or function in the organs or parts the term acquired is primarily applied . The tissues have ...
Pàgina 37
... modification and germinal variation have been working together , in close association , all along the line of organic evolution to reach the common goal of adjustment to the circumstances of life , it is difficult to believe that they ...
... modification and germinal variation have been working together , in close association , all along the line of organic evolution to reach the common goal of adjustment to the circumstances of life , it is difficult to believe that they ...
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Frases i termes més freqüents
acquired action afford animal behaviour Animal Intelligence ants arise association bees biological end biological value C. R. ASHBEE cells centres chick cinnabar co-ordinated coalescence complex conation conative tendency congenital conscious situation consciousness course courtship Crown 8vo Darwin definite Demy 8vo differentiated direct effects eggs emotional environment evolution experience fact factor feeling female further germinal substance guidance habit hereditary higher animals hypothesis ideal ideational Illustrations imitation impulse individual influence inherited insects instinctive behaviour intelligent behaviour larvæ Lord Avebury male mate meaning mental development modes of behaviour modification natural selection nervous system nest object observation organic behaviour ovum Paramecium pecking perceptual performance play pleasure Prince Kropotkine probably Professor Groos psychological rational reflex reflex action regarded response result seems seizing sense sentience sexual selection social species spinal stage stimulation Stout survival term tion variations W. H. Hudson wasps
Passatges populars
Pàgina 306 - The consciousness of brutes would appear to be related to the mechanism of their body simply as a collateral product of its working, and to be as completely without any power of modifying that working, as the steam-whistle which accompanies the work of a locomotive engine is without influence upon its machinery.
Pàgina 63 - For my own part, I look upon it as upon the principle of gravitation in bodies, which is not to be explained by any known qualities inherent in the bodies themselves, nor from any laws of mechanism, but, according to the best notions of the greatest philosophers, is an immediate impression from the first mover, and the divine energy acting in the creatures.
Pàgina 288 - In other words, those races of beings only can have survived in which, on the average, agreeable or desired feelings went along with activities conducive to the maintenance of life, while disagreeable and habitually-avoided feelings went along with activities directly or indirectly destructive of life...
Pàgina 24 - Thornton. A SPORTING TOUR THROUGH THE NORTHERN PARTS OF ENGLAND AND GREAT PART OF THE HIGHLANDS OF SCOTLAND. By Colonel T. THORNTON, of Thornville Royal, in Yorkshire. With the Original Illustrations by GARRARD, and other Illustrations and Coloured Plates by GE LODGE.
Pàgina 63 - ... Faculty of an intellectual Being. For my own part, I look upon it as upon the Principle of Gravitation in Bodies, which is not to be explained by any known Qualities inherent in the Bodies themselves, nor from any Laws of Mechanism, but, according to the best Notions of the greatest Philosophers, is an immediate Impression from the first Mover, and the Divine Energy acting in the Creatures.
Pàgina 223 - When we see an ant-hill, tenanted by thousands of industrious inhabitants, excavating chambers, forming tunnels, making roads, guarding their home, gathering food, feeding the young, tending their domestic animals, — each one fulfilling its duties industriously, and without confusion, — it is difficult altogether to deny to them the gift of reason ; and the preceding observations tend to confirm the opinion that their mental powers differ from those of men, not so much in kind as in degree.
Pàgina 317 - We see that the inferior animals, when the conditions of life are favorable, are subject to periodical fits of gladness, affecting them powerfully and standing out in vivid contrast to their ordinary temper. And we know what this feeling is — this periodic intense elation which even civilized man occasionally experiences when in perfect health, more especially when young.
Pàgina 218 - They came to the edge and tried hard to get over, but it did not occur to them to push the paper bridge, though the distance was only about one-third of an inch, and they might easily have done so. After trying for about a quarter of an hour they gave up the attempt, and returned home. This I repeated several times.
Pàgina 50 - That therefore, on the whole, the theory of Wallace and Bates is supported by the facts detailed in this and the author's former papers, so far as they deal with birds (and with the one mammal used).
Pàgina 149 - The cat that is clawing all over the box in her impulsive struggle will probably claw the string or loop or button so as to open the door. And gradually all the other non-successful impulses will be stamped out and the particular impulse leading to the successful act will be stamped in by the resulting pleasure, until, after many trials, the cat will, when put in the box, immediately claw the button or loop in a definite way.