Insects (from Latin insectum) are hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body …

Dec 22, 2025 · insect, (class Insecta or Hexapoda), any member of the largest class of the phylum Arthropoda, which is itself the largest of the animal phyla. Insects have segmented …

Sep 24, 2025 · In fact, all bugs are classified as insects, but not all insects are bugs. Insects refer to a broad group of organisms in the class Insecta, characterized by three pairs of legs, three …

Insects, like all living organisms, can be classified according to their phylogenetic relationships. The classification system used by scientists involves a hierarchy beginning with a broad …

The Insects (Class Insecta) are divided into a number of Orders. These are grouped together into two sub-classes called the Apterygota (wingless insects) and the Pterygota (winged insects).

Nov 13, 2025 · Insects are a diverse group of arthropods, classified into the class Insecta, which includes the head, thorax, and abdomen. They typically have six legs, compound eyes, and …

Insects belong to the phylum Arthropoda – the joint-legged animals. To understand the evolution of insects, it is helpful to have an overview of the evolution of arthropods in general.