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What is a tetrapod?
A tetrapod is a vertebrate animal with four limbs. "Tetra" means "four" and "pod" means "foot". Amphibians, reptiles, birds and mammals are all tetrapods; even snakes and other limbless reptiles and amphibians are tetrapods because they descended from animals which had four limbs. Whales and other cetaceans are also tetrapods because they are mammals have two front limbs and the two hind limbs are vestiges.
Are whale amphibians?
Whales are aquatic mammals, not amphibians.
Why do amphibians have limbs?
The limbs for Amohibian is Weak legs...
What are evolutionary adaptations that make mammals better adapted to life on land than amphibians?
the skin of mammals is not water permeable like amphibians skin is. Amphibians need to be either in water or moist environments at most time or else they would just dry up. Another reason is that mos amphibians have a larval stage (ex.tadpoles) that can never leave the water. This basically bounds amphibians to water. Amphibians also have webbed limbs adapted for water and not land.
What are the mammals with 4 legs?
All mammals have four legs, or at least four limbs if they're bipedal such as us, or in the case of bats. Whales have vestigial hind legs, in the form of a pelvis hidden halfway down their tail, and the flippers are their front legs. In fact, all land vertebrates (amphibians, reptiles, mammals, birds) have four limbs. ^^
What amphibian has no limbs?
The caecilians are limbless amphibians.
Do salamander have hair?
no salamanders are amphibians mammals have hair, amphibians do not
Are African Elephants mammals or amphibians?
Mammals.
Are red foxes amphibians or mammals?
They are mammals.
Are treefrogs mammals?
No, treefrogs are amphibians, not mammals.
Are bisons mammals or amphibians?
Bisons are mammals.
What are the typical body coverings for amphibians and mammals?
Amphibians are naked while mammals possess hair on skin .
