NEET BIOLOGY

Detailed explanation-1: -In general, all reptiles are covered with scales. They can have four legs, or none. There are no snakes with legs, but there are lizards without legs. Thus, it is important to be able to distinguish a snake from a legless lizard.

Detailed explanation-2: -Snakes are reptiles with no legs. They move by using their muscles to push their scales against the ground or other objects.

Detailed explanation-3: -At a basic level, all reptiles have four legs, or are descended from creatures with four legs (including snakes, which still apparently carry some of the genes for making legs). They are also vertebrates with a backbone to house the spinal cord.

Detailed explanation-4: -Reptiles have claws on their five toes, except for legless reptiles such as snakes., They have four legs (tetrapods), or their ancestors had four legs (as snakes evolved they lost their legs, but they are still tetrapods). Most have short legs and swing their back from side to side when they walk.