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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 ...

    Oct 16, 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 bodies, …

  3. What Is an Insect? - Smithsonian National Museum of Natural ...

    To be sure an insect is an insect, we have to look at a combination of features. B, the Malaysian stick insect, has three body parts, six legs, wings, and a pair of antennae. Nice observation …

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

    Sep 4, 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, …

  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. Insect, Bugs and Spider Identification - North America

    There are over 1 million identified species of insects and spiders in the world with many more still awaiting discovery. Insects provide a vastly overlooked - and often times misunderstood - …

  7. What is an Insect? | Six-Legged Science: Unlocking the ...

    Insects are found in every terrestrial environment on Earth, and terrestrial ecosystems everywhere in the world depend upon them. Without insects as pollinators, we would have far fewer …