DENDROLOGY

Detailed explanation-1: -Following are the important characteristics of the animals belonging to Class Reptilia: These are creeping and burrowing terrestrial animals with scales on their body. They are cold-blooded animals found in most of the warmer regions of the world.

Detailed explanation-2: -Amphibians are cold-blooded vertebrates and can live on land and in water. Amphibians lay eggs.

Detailed explanation-3: -Crocodile is large semiaquatic reptiles that live throughout the tropics of Africa, Asia, the Americas, and Australia. They are carnivorous animals, feeding mostly on vertebrates such as fish, reptiles, birds, etc. They are cold-blooded animals, have scales on their body and breathe through lungs.

Detailed explanation-4: -The major groups of living reptiles-the turtles (order Testudines), tuatara (order Rhynchocephalia [Sphenodontida]), lizards and snakes (order Squamata), and crocodiles (order Crocodylia, or Crocodilia)-account for over 8, 700 species.