Why are salamanders and lizards belong to different classes of vertebrates
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Salamander - three chambered heart.
breathe through either gills or lungs.
lay eggs.
found both in land and water.
Lizards - have scales.
breathe through lungs.
three chambered heart.
lay eggs with tough coverings and do not need to lay eggs in water, unlike amphibians.
breathe through either gills or lungs.
lay eggs.
found both in land and water.
Lizards - have scales.
breathe through lungs.
three chambered heart.
lay eggs with tough coverings and do not need to lay eggs in water, unlike amphibians.
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