Энтомология, орнитология и герпетология: текущие исследования
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Morphology and Physiology of Reptiles

Peernel Zwart

Reptiles belong to the class of vertebrates made up mostly of turtles, snakes, crocodilians, and lizards. These animals are most easily identified by their scaly, dry skin. Practically all reptiles are cold-blooded, and most of them lay eggs on the boa constrictor and give birth to live young. Reptiles are air-breathing vertebrates that have internal fertilization, amniotic development, and having epidermal scales covering their bodies. The major groups of living reptiles-the tuatara (order Rhynchocephalia), turtles (order Testudines), snakes and lizards (order Squamata), and crocodiles (order Crocodylia, or Crocodilia).