Fill in the table “Diversity of amphibians”
November 13, 2020 | Education
| 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 |
