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Amphibia
Scientific Name:
Amphibia
Common Name:
Amphibians
3 Characteristics:
-Ten pairs of cranial nerve are present.
-Amphibians are the only vertebrates to undergo complete metamorphosis.
-Limbs have varying numbers of digits and webbed feet are often present; no true nails or claws.
Evolutionary Origins: It is thought that amphibians evolved in the Devonian period bony fish with lungs and bony limbed fins.
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