Any other characteristics than what? They are cold-blooded, they start their lifecycle in the water and at the onset of adulthood move to dryland. They are mainly carnivorous, eating small water creatures and insects.
Yes, there are amphibians other than frogs. They are toads and salamanders.
Yes, salamanders are amphibians.
No , there are no amphibians there .
mars does not have a ring or any other special characteristics
amphibians have skin that are slimey and can live in and and out of water
Amphibians don't have amniotic eggs - their eggs don't have shells, and they have to be laid in water. In general, amphibians are more dependent on water, most of them having aquatic larvae and having to keep their skin moist even as adults in order to breathe through it.
Frogs and other amphibians do not actually have any teeth at all.
They don't really. They hunt for food in water, but that's about it. It takes plenty more characteristics to make an amphibian.
yes: all amphibians are vertebrates and have backbones
no
Pretty sure amphibians do not see any colors.
YES
Characteristics that resctrict amphibians to water include: 1) They breathe through their skin, which needs to be moist. 2) Their eggs are fertilized via external fertilization, which requires water. 3) They have gills which only functions in water.
no salamanders are amphibians mammals have hair, amphibians do not