
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 ...
Dec 22, 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 …
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...
Insects – Definition, Examples, Characteristics
3 days ago · Comprehensive guide to insects, including anatomy, life cycle, classification, ecology, evolution, senses, and conservation.
Insect - Definition, Types, List, Life Cycle, Anatomy, & Pictures
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, …
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.
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 …
An Introduction to Insects - ThoughtCo
Begin your study of this amazing group by learning the basics. Do Insects Have Brains? What Is the Difference Between Venomous and Poisonous? What Are These Tiny Black Bugs That …
What are insects? And how many insects are there in the world?
Jan 31, 2024 · More than half of all the animal species described by science are insects, and it is estimated that there are more than five million extant species. That’s a lot of beetles, …
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 …