The overall shape is an animal without a tail. The caudal vertebrae are connected as one piece long. Spinal reduced hind legs are long, with some linking and full of muscle strength. In order to jump A header wide and very flat.
Frog in the larval stage will look very different from the adult explicitly called "faux" with no teeth, a tail shaped like fish feeding behavior of tadpoles are different. The changing structure of the digestive organs including organ otherwise.
Reproduction of frogs are very diverse. The fertilization takes place outside by the two males caress between mating behavior. Most preventive care frog eggs. In addition, only certain types of eggs on the backs of the legs in a bag on the back or abdomen. Some species lay eggs attached to plants that grow in the water or on the branches of the tree above the water and watched the eggs. Fertilization occurs within a certain frog species are found only.