Zoology - Structural Organisation in Animals Question with Solution | TestHub

In each segment, the exoskeleton has hardened plates called sclerites, sternites dorsally and tergites ventrally.

The entire body is covered by a hard chitinous exoskeleton (brown in colour).

Head is triangular in shape and lies anteriorly at right angles to the longitudinal body axis.

A pair of thread-like antennae arise from membranous sockets lying in front of eyes.