common character of all vertebrates without exception is
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1) They have an internal skeleton.
2) A tail is present.
3) Heart is on ventral side of the body.
4) They have 2 pairs of legs.
5) Nerve cord is dorsal and hollow.
2) A tail is present.
3) Heart is on ventral side of the body.
4) They have 2 pairs of legs.
5) Nerve cord is dorsal and hollow.
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