Friday, December 6, 2013

Snakes Wallpaper pictures

 Thus Snake name is anaconda. Snakes are elongated, legless, of the suborder Serpentes that can be distinguished from legless by their lack of eyelids and external ears. Like allsquamates, snakes are ectothermicamniote vertebrates covered in overlapping scales. Many species of snakes have skulls with many more joints than their lizard ancestors, enabling them to swallow prey much larger than their heads with their highly mobile jaws. To accommodate their narrow bodies, snakes' paired organs (such as kidneys) appear one in front of the other instead of side by side, and most have only one functional lung. Some species retain a pelvic girdle with a pair of vestigial claws.
The origin of snakes remains an unresolved issue. There are two main hypotheses competing for acceptancAll modern snakes are grouped within the suborder Serpentes
Living snakes are found on every continent except Antarctica, in the Pacific and Indian Oceans, and on most smaller land masses — exceptions include some large islands, such as Ireland and New Zealand, and many small islands of the Atlantic and central Cranial kinesis is the term for significant movement of skull bones relative to each other in addition to movement at the joint between the upper and lower jaw. It is usually taken to mean relative movement between the upper jaw and the braincase.

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