Light And the Behavior of Organisms
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In our eReader you can find the full English version of the book. Read Light And the Behavior of Organisms Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Light And the Behavior of Organisms
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In even casually studying the behavior of bees, wasps, REGULATION OF REACTIONS 297 ants and various insects in their natural environment, one can hardly fail to see that their reactions to light are any- thing but fixed. Ants, for example, ordinarily avoid the light. They are said to be negative. But they are not always found in the dark recesses of their nests. Does this mean that the sense of reaction changes? Light undoubtedly guides them at times, and the sense of reaction changes frequentl...y, but sight no doubt plays a part in the reactions. If a nest containing pupae or larvae is opened, a given ant may often be seen, in caring for the young, to travel back and forth repeatedly from the brightest sunlight to the dark cavities of the nest. Here it is evident that the ordinary negative response to light has been modified. Again, the flight of bees from the extreme darkness of the hive out into the brightest sun- light, through shadow and sunshine, into and out of the cavities of flowers and back into the darkness of the hive again, offers another striking example of variability in response to light, for it is no doubt light that guides these organisms in many of their movements, although that in which they are primarily interested is not light, but the objects represented by different conditions or configurations of light.
What to read after Light And the Behavior of Organisms?
You can find similar books in the "Read Also" column, or choose other free books by Samuel Ottmar Mast to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
In even casually studying the behavior of bees, wasps, REGULATION OF REACTIONS 297 ants and various insects in their natural environment, one can hardly fail to see that their reactions to light are any- thing but fixed. Ants, for example, ordinarily avoid the light. They are said to be negative. But they are not always found in the dark recesses of their nests. Does this mean that the sense of reaction changes? Light undoubtedly guides them at times, and the sense of reaction changes frequentl...y, but sight no doubt plays a part in the reactions. If a nest containing pupae or larvae is opened, a given ant may often be seen, in caring for the young, to travel back and forth repeatedly from the brightest sunlight to the dark cavities of the nest. Here it is evident that the ordinary negative response to light has been modified. Again, the flight of bees from the extreme darkness of the hive out into the brightest sun- light, through shadow and sunshine, into and out of the cavities of flowers and back into the darkness of the hive again, offers another striking example of variability in response to light, for it is no doubt light that guides these organisms in many of their movements, although that in which they are primarily interested is not light, but the objects represented by different conditions or configurations of light.
What to read after Light And the Behavior of Organisms?
You can find similar books in the "Read Also" column, or choose other free books by Samuel Ottmar Mast to read onlineMoreLess
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