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Traditionally the amphibians have included all tetrapods that are not amniotes. They are divided into three subclasses, of which two are only known as extinct subclasses: * Subclass Labyrinthodontia (diverse Paleozoic and early Mesozoic group) * Subclass Lepospondyli (small Paleozoic group) * Subclass Lissamphibia (frogs, toads, salamanders, newts, etc.)
Amphibians birds and reptiles are in the tetrapods class
The class of an amphibian is Amphibia
Amphibia.
The class is called amphibia.
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Why do scientists classify fish amphibians reptilesbirdsand mammals together in one group?
Fish, reptiles, amphibians, birds, and mammals are all vertebrates. They all have a backbone and internal bones.
What characteristics do scientists used to classify vertebrates into smaller groups?
The five groups are Fish, Amphibians, Reptiles, Birds, Mammals
Why do scientists classify fish amphibians birds and mammals all in the same group?
All are vertebrates - all have a spinal column.
Why is the animal kingdom so diverse?
because of the types of speices and because of they're are groups the arthropod group, and mammles, and reptiles, amphibians, and so on. you have to classify them.
How would you describe the evolution of amphibians?
It begins with rhipidistian lungfish of the orodivician, and progresses to sarcopterygian lungfish of the silurian. By the devonian there is a "fishapod" known as Tiktaalik. In the carboniferous we find acanthostega and a variety of other amphibians. Finally, in the permian, we discover pelycosaurs and sail backed reptiles--creatures similar in form to the earlier amphibians, but which we do not classify as amphibians. From there terrestrial vertebrate evolution takes off into the triassic with lots of speciation.
What major distinction is made when you classify animals?
mammals, reptiles, amphibians, Birds, Fish, Insects, but if it was the major one it would be either warm blooded or cold blooded.
Are newts amphibians?
Yes, newts are amphibians.
If all animals fall into the categories of mammals amphibians and reptiles how do you classify fowls and marsupials?
All animals which are vertebrates fall into the categories of mammal, bird, fish, reptile or amphibian. Fowls are birds, and marsupials are mammals.
Which animal is not a tetrapod?
Fish, and all invertebrates, as those have more than four legs or none at all. Only amphibians, reptiles, birds and mammals classify as tetrapods.
How do you use classify in a sentence?
you can not classify this. How can you classify them?
What are the two major groups of amphibians?
the two major group of amphibians are the tailed amphibians and the tailless amphibians
Is the toad reptiles or amphibians?
amphibians
