Reptiles

Reptiles Reptiles are vertebrate, or backb championd animals constituting the class Reptilia and are characterized by a combination of features, n whizz of which alone could separate all(prenominal) last(predicate) reptiles from all other animals. The characteristics of reptiles are numerous, therefore can not be explained in great detail in this report. In no special order, the characteristics of reptiles are: cold-bloodedness; the presence of lungs; direct development, without larval forms as in amphibians; a dry skin with scales unless not feathers or hair; an amniote egg; internal stuffing; a three or four-chambered heart; two aortal arches (blood vessels) carrying blood from the heart to the body, unlike mammals and birds that only have one; a metanephric kidney; twelve pairs of cranial nerves; and skeletal features much(prenominal) as limbs with usually five clawed fingers or toes, at to the lowest degree two spinal bones associated w ith the pelvis, a angiotensin-converting enzyme ball-and-socket connection at the head-neck joint instead of ...If you want to stick a wide essay, order it on our website: OrderEssay.net

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