The head,thorax,and abdomen of the insect body plan developed as individual segments fused; because each segment originated one pair of appendages,a reasonable hypothesis is that the thorax developed when ________ segments fused.

Question

Quizplus · Accepted Answer

The thorax of an insect typically has three pairs of legs, indicating that it developed from the fusion of three segments, each originally having one pair of appendages.

The Head,thorax,and Abdomen of the Insect Body Plan Developed as Individual