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Ede4ka [16]
3 years ago
9

What characteristics or exhibits during at least one stage of life

Biology
1 answer:
Softa [21]3 years ago
5 0

Answer:

Invertebrates include all animals that lack a backbone, or a vertebral column. All chordites exhibit four characteristics during at least one stage of life: a dorsal, hollow nerve chord; a notochord; a tail that extends beyond the anus; and pharyngeal pouches.

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