Yes, they have a similar body shape to that of a newt or lizard.
Adult salamanders keep their tails. Salamanders are a group of amphibians typically characterized by a lizard-like appearance, with slender bodies, blunt snouts, and short limbs. They look like between a frog and a lizard.
how do born salamanders come out adult salamanders
Some salamanders can detach their tails when attacked and later regrow them.
some types, it is used as defense or protection
yes you can
spotted salamanders grow lungs when they become a juvenile and a adult living on land
They are called salamanders
Yes, salamanders can regenerate their tails and legs. See related link
Salamanders undergo a process called metamorphosis, starting from eggs laid in water. The eggs hatch into larvae, commonly known as "tadpoles," which have gills for breathing underwater and often possess tails for swimming. As they mature, larvae gradually develop lungs, lose their gills, and undergo physical changes such as the development of limbs. Eventually, they emerge from the water as fully formed adult salamanders, capable of living on land.
no, adult frogs do not have tails. although frogs do have tails when they are young, but they loose them.
Only adult fire salamanders protect themselves by it's heavy toxic skin.There known dangerous to animals and humans.
All salamanders are carnivores in their adult phase. As tadpoles, they may be herbivorous or omnivorous, but as they mature, they become purely carnivorous.