WHAT’S THE COLOUR OF WHITE BEAR?

The Polar Bear or White Bear (Ursus maritimus, Phipps 1774), large carnivorous mammal belonging to the family Ursidae, definitely looks white, but as the old saying goes, looks can be deceiving. The outer hairs of the bear are actually transparent, and its undercoat is really colourless. So why do Polar…

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SENSORY ORGANS: DIMPLE THERMOSENSITIVE

Morelia viridis (Schlegel, 1872) also known as green python or python green arboreal. Some snakes family Boidae (boas and pythons) and Crotalidae (rattlesnakes, vipers of the palms) possess a special sensory organs sensitive to heat, the heat-sensitive dimple. These receptors are heat sensitive to infrared radiation of a wavelength of…

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