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Investigation into the factor of light and dark affecting woodlice.  

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Investigation into the factor of light and dark affecting woodlice Predictions It was expected that a woodlice would prefer a damp, dark, but moderately warm surrounding. Normally one would expect to find slaters under logs or concrete slabs in one's garden. Under these large objects, the sun cannot reach directly; therefore it is darker, damper and colder than the surroundings. Nevertheless, in winter we do not see woodlice crawling around very often, and, also at night, it may actually be warmer under such objects, because it looses heat more slowly, so I predict that the woodlice would prefer a dark, damp and a temperature of around 15oC. (The ground temperature of a typical Scottish day). This preference to dark and damp surroundings is mainly due to woodlouse's inefficient water-storage system. A woodlouse, if exposed to heat or light for too long, can die due to the dramatic loss of water. They prefer...

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