Snakes area unit prolonged, legless, meat uptake reptiles of the suborder Serpentes that may be recognized from legless reptiles by their absence of eyelids and outer ears. Like all squamates, snakes area unit poikilothermic, craniate vertebrates secured in covering scales. varied forms of snakes have skulls with a couple of of|some|many} an even bigger number of joints than their reptilian precursors, empowering them to swallow prey a lot of larger than their heads with their passing moveable jaws. To suit their skinny bodies, snakes' combined organs, (for example, kidneys) appear one before alternative|the opposite} instead of next to every other, and most have one and solely sensible respiratory organ. some animal varieties hold a girdle support with one or two of lowest hooks on either aspect of the drain.
Living snakes area unit found on every ground with the exception of Antarctic continent, and on most littler space plenty - special cases incorporate some in depth islands, as an example, eire and New Seeland, and various very little islands of the Atlantic and focal Pacific. Moreover, ocean snakes area unit unbounded during the Indian and Pacific Oceans.
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