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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. 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...

  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. 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 - …

  6. Insects, Spiders, Centipedes, Millipedes - U.S. National Park Service

    Apr 21, 2025 · What exactly is an insect? To begin, insects don't have a vertebral column (backbone) like people have and therefore are considered to be a type of invertebrate animal. …

  7. What Is An Insect? Insect Facts & 5 FAQ [2025 ] | Earth Life

    Oct 1, 2025 · Insects are like the unsung heroes of the animal kingdom. They pollinate plants, break down organic matter, and serve as a vital food source for other animals. But despite …

  8. 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 …

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

    In this video for Grades 3 to 5, you’ll learn about the features all insects have. You will learn to identify an insect from other arthropods.

  10. List of insects | Britannica

    6 days ago · Insects (class Insecta) have segmented bodies, jointed legs, and external skeletons.