What structural requirement must an organism meet to be classified in the Class Insecta?

Answer

Having three distinct body regions (head, thorax, abdomen) and three pairs of jointed legs.

Classification as an insect necessitates having the body divided into the head, thorax, and abdomen, with three pairs of jointed legs originating from the thorax.

What structural requirement must an organism meet to be classified in the Class Insecta?
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