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 (head, thorax …

3 days ago · 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 bodies, jointed …

Dec 30, 2025 · Insects are six-legged invertebrates that are members of the class Insecta within the phylum Arthropoda. They are distinguished by their three-part bodies covered by a hard, chitinous …

All insects belong to the phylum Arthropoda. But unlike other arthropods—like lobsters, spiders, or millipedes—insects have three pairs of jointed legs, segmented bodies, an exoskeleton, one...

May 4, 2025 · As you may remember from elementary school, the most basic definition of an insect is an organism with three pairs of legs and three body regions: head, thorax, and abdomen.

Insects are invertebrate animals of the Class Insecta, the largest and (on land) most widely distributed taxon (taxonomic unit) within the Phylum Arthropoda. Insects comprise the most numerous and …

Why Does Insect Biodiversity Matter? Insect biodiversity is essential because insects support food production, ecosystem stability and natural balance. For example, more than 300 different crops that …

Six legs, three body parts (HEAD, THORAX, and ABDOMEN), a hard EXOSKELETON, and compound eyes characterize insects. Most insects have a pair of antennae and two pairs of wings. Insects grow …

The word "insect" is derived from the Latin word insectum, meaning notched, and refers to their body segmentation. The second and third segments of the adult thorax often bear wings, which may …

Oct 16, 2019 · Over one million insect species have been identified – that’s over three times the number of known plant species. Over half of all known living organisms on Earth are insects.