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 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, …

Insects are vital to every ecosystem. They pollinate plants, decompose plant and animal matter, and are themselves a source of food. Birds alone are estimated to eat 400 to 500 million tons...

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 - …

Oct 16, 2019 · Discover the characteristics of insects, their life-cycles, the roles they play in their ecosystems, and why they are so important for life on Earth… What Is An Insect? How Do …

Mar 11, 2025 · What is an insect with examples, classification, characteristics, & body parts. Do they have brains, hearts, lungs, or blood. What do they eat. How do they breathe.

The body of an insect has three main parts: a head, a thorax, and an abdomen. On the head are an insect's compound eyes, its two antennae (they feel and smell things), and its mouth.

4 days ago · What is an Insect? An insect is described as an air-breathing animal with a hard-jointed exoskeleton and (in the adult) a body divided into three parts: The insect head with one …

Insects are a class of invertebrate animals that sit within a phylum of animals called the Arthropods (includes spiders and crustaceans). They are a massively successful group and …

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 …