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The living frog in herbs - Wild Animals - Free Desktop Wallpaper picture #602 |
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Dimensions: 1600 x 1200 pixels
Size: 666.3 Kb.
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Many frogs are able to absorb water and oxygen directly through the skin, especially around the pelvic area.
However, the permeability of a frog's skin can also result in water loss. Some tree frogs reduce water loss
with a waterproof layer of skin. Others have adapted behaviours to conserve water, including engaging in nocturnal activity and resting in a water-conserving position. This position involves the frog lying with its toes and fingers tucked under its body and chin, respectively, with no gap between the body and substrate. Some frog species will also rest in large groups, touching the skin of the neighbouring frog. This reduces the amount of skin exposed to the air or a dry surface, and thus reduces water loss. These adaptations only reduce water loss enough for a predominantly arboreal existence, and are not suitable for arid conditions.
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