Reptiles breathe in much the same way as humans do, inhaling and exhaling through their lungs. Some reptile species may be able to assist breathing through different means, such as permeable skin for gas exchange in aqua... More »

Although fish and reptiles share some characteristics, fish are not reptiles. The most important difference between the two groups of animals is that fish use gills to breathe, while reptiles use lungs. More »

Reptiles live primarily in temperate and tropical climates. Reptiles are cold-blooded, which means they are unable to regulate the internal temperature of their bodies. Because of this, they have to live in warm and sunn... More »

Ladybugs need air, like humans, but unlike humans they do not have lungs. Instead, they take in air through tiny openings in the sides of their abdomen and thorax called spiracles. The distribution of oxygen in ladybugs'... More »

The main difference between reptiles and critters is the type of animal being referred to. Reptiles are cold-blooded animals such as snakes, turtles or lizards. The word "critters," on the other hand, is a slang term oft... More » Pets & Animals Reptiles

Some reptile species, such as many snakes and lizards, ambush prey that wanders too close, whereas other reptiles are prowlers that search far and wide for prey. Some reptiles even graze grasses and forage over long peri... More »

Examples of the Reptilia, or reptiles, include common garter snakes, chameleons, saltwater crocodiles, tuataras and Galapagos tortoises. There are about 9,500 species in the Reptilia family, the earliest of which evolved... More »