Leo stared. The beetle’s entire body was encased in what looked like a suit of overlapping plates. The head was a helmet. The thorax (Grandfather pointed to the middle section) was a buckler. The shell over the abdomen was a polished cuirass. Even the antennae were beaded segments of rigid armor.
“Correct. But look deeper. Look at the legs themselves. What are they made of?” is a beetle an arthropod
As Leo sketched, the beetle lifted its shell, unfurled a pair of delicate, folded wings from beneath, and buzzed once—a tiny, whirring thank you—before launching itself into the sunlit garden. It was just a beetle. But now Leo knew: it was also an arthropod, a tiny, jointed miracle on six legs, wearing its skeleton on the outside and carrying the memory of ancient seas in its genes. Leo stared
“Jointed,” Grandfather said, stressing the word. “The word ‘arthropod’ comes from ancient Greek. Arthron means ‘joint.’ Podos means ‘foot’ or ‘leg.’ An arthropod is a ‘jointed-foot’ creature.” The thorax (Grandfather pointed to the middle section)