WebThey have scaly skin and live a fairly nocturnal existence. They are relatively small-sized crocodilians with an average maximum weight of 6 to 40 kg (13 to 88 lb) depending on species, with the exception of the black caiman ( Melanosuchus niger ), which can grow more than 4 m (13 ft) in length and weigh in excess of 1,000 kg (2,200 Ib). WebAmphibians are frogs, toads, newts and salamanders. Most amphibians have complex life cycles with time on land and in the water. Their skin must stay moist to absorb oxygen and therefore lacks scales. Reptiles are turtles, snakes, lizards, alligators and crocodiles. Unlike amphibians, reptiles breathe only through their lungs and have dry ...
Chinese alligator - Wikipedia
WebDo alligators and crocodiles have scales? The skin of crocodiles and alligators protects them against water loss. Crocodile skin is made of keratin, a protein found in hair, … WebAmerican alligators are smaller than crocodiles. Male alligators reach an average length of between 12 and 13 feet and can weigh up to 1000 pounds. Females are between 8 and 10 feet and weigh in at 500 to 700 pounds. An American croc is larger than an alligator by about 4 to 6 feet on average. prodigy finance terms and conditions
Skin Prevents Water Loss — Biological Strategy — AskNature
WebFeb 28, 2024 · Alligators by contrast have an upper jaw that is wider than the lower jaw, so that when the mouth is closed only the upper teeth show (Britton 2009) ... scales, as do alligators and caiman (Trutnau & Sommerlad 2006) Small oval osteoderms on the sides and throat (Brazaitis 1989) ... Preferred temperature range for crocodiles and alligators … WebIn contrast to the back and belly, the sides of the body have mostly small knobby scales. As a result, the flanks are distensible, which is necessary for breathing and for the expansion of the body that occurs in gravid … WebComparison of the American alligator (top) and the Chinese alligator (bottom) One of the smallest species of crocodilians, the Chinese alligator attains a length of 1.5–2.1 metres (5–7 ft) and weight of 36–45 kilograms (80–100 lb) as an adult. [6] Females are roughly three-quarters the length of males. [20] prodigy finance support schools