Fill in the table “Diversity of amphibians”

Class Amphibians, or Amphibians
Squad Tailed Tailless Legless
Representatives Newts, salamanders Frogs, toads, toads, tree frogs Worms, fish snakes
Features: The tail persists throughout life; in aquatic animals it serves for swimming.

No tympanic membrane, many have lateral line organ

Aquatic ones have swimming membranes; woody – sucker pads on the fingers. Frogs move by leaps, toads – by step. An adult has no tail They have no limbs, the body is highly elongated, resembling worms or snakes.

One lung is reduced.

Often viviparous, no tadpole stage

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