Amphibians started out as tetrapods, fish like creatures that used limbs to move across the bottom of a marsh. In later fossils the limbs moved under the body so it could support itself. Later, it gained lungs so it could live outside of the water.
fish, amphibians, reptiles, birds and mammals
No. Frogs are not mammals of any description. Frogs are amphibians.
They can move through/ across both land and water.
Joseph Richard Slevin has written: 'Description of a new species of lizard from Malpelo Island' -- subject(s): Celestus hancocki, Reptiles 'Notes on a collection of reptiles and amphibians from Guatemala ..' -- subject(s): Amphibians, Reptiles 'A handbook of reptiles and amphibians of the Pacific states, including certain eastern species' -- subject(s): Amphibians, Reptiles
Don't know the origin of the word, but a snake expert is called a herpetologist.
Yes, newts are amphibians.
the two major group of amphibians are the tailed amphibians and the tailless amphibians
The origin of the term Amphibia comes from Latin meaning 'two lives' (land and water based), as most amphibians spend a larval stage as aquatic water breathers.
For a fabulous answer, read just the first paragraph or two of each of the articles linked below. You'll have all the information you need.
Yes, Amphibians are Vertebrates which are animals with backbones.
No only reptiles. Amphibians have moist permeable skin.
the two major group of amphibians are the tailed amphibians and the tailless amphibians