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  1. Insect - Wikipedia

    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 …

  2. Insect | Definition, Characteristics, Types, Beneficial, Pest ...

    6 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, …

  3. Insect - Definition, Types, List, Life Cycle, Anatomy, & Pictures

    Dec 12, 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, …

  4. Insects: Types, Characteristics, Classification, and Fascinating Facts

    Sep 24, 2025 · Insects (Class Insecta) are the most diverse group within the animal kingdom, comprising a vast array of terrestrial and freshwater invertebrate organisms.

  5. Insects Pictures & Facts - National Geographic

    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...

  6. Insects | Kids Environment Kids Health

    Protecting Yourself from Insect Associated Disease Mosquitoes can spread malaria, various kinds of encephalitis, and West Nile Virus.

  7. What Are Insects? Basic Insect Anatomy - ThoughtCo

    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 …

  8. What Is an Insect? - Encyclopedia.com

    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, …

  9. Insect - Wikiwand

    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 …

  10. Insect Basics - US Forest Service

    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 …