what is mamal animal and amphibians ainimals
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The five most well known classes of vertebrates (animals with backbones) are mammals, birds, fish, reptiles, amphibians. They are all part of the phylum chordata -- I remember "chordata" by thinking of spinal chord. There are also a lot of animals without backbones.
ahamadbobo2009:
do you mean vertibrates are mamals
Fish, reptiles, amphibians, birds and mammals all have bones. Fish, reptiles and amphibians are cold-blooded animals. ... They're cold-blooded like fish and amphibians. Unlike amphibians, they have lungs and breathe oxygen from the air from the time they are hatched from their eggs.
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a warm-blooded vertebrate animal of a class that is distinguished by the possession of hair or fur, females that secrete milk for the nourishment of the young, and (typically) the birth of live young.
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