Which of the following describes characteristics of reptiles?
A… The reptile traits are a thick dry skin covered with scales made of a protein called Keratin. Reptiles molt as they grow. Reproduction is sexual with internal fertilization. Most are oviparous, while some snakes and lizards are either ovoviviparous or viviparous. Respiration occurs through well developed lungs, and in some turtles a moist cloacal surface. Reptiles are ectotherms. Being ectothermic enables an organism to survive on much less food than an endothermic organism. Most reptiles contain a 3 chambered heart with a partially divided ventricle. Crocodiles contain a 4 chambered heart.
