I’ll expand on that aspect toward the end of the article. First, what is an insect? An insect has six legs and three body segments: a head, a thorax, and an abdomen. You may know that spiders, mites, ...

In vertebrates, segmentation results in the development of the spine, head, and limbs; in insects, it results in formation of the abdomen, head, and thorax. Segmentation is believed to be the ...

Each group of arthropods is defined by a unique arrangement of tagmata: for instance, insects have a head, thorax, and ...