
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 …
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, …
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, …
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...
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 - …
What Is An Insect? - Museum of the Earth
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 …
Insects and Arachnids - U.S. National Park Service
May 9, 2021 · Insects are species that have three segments to their bodies: head, thorax, and abdomen. Arachnids have only two segments: the cephalothorax and the abdomen. Insects …
What Is An Insect? Insect Facts & 5 FAQ [2025 ] | Earth Life
3 days ago · 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 …
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.
List of insects | Britannica
Oct 20, 2025 · entomology, branch of zoology dealing with the scientific study of insects. The Greek word entomon, meaning “notched,” refers to the segmented body plan of the insect. …