Insects are the most diverse group of animals on Earth, belonging to the class Insecta. They play vital roles in ecosystems as pollinators, decomposers, and a food source for other animals. Insects typically have a three-part body (head, thorax, abdomen), six legs, and often wings. Their incredible adaptability has enabled them to colonize nearly every habitat on the planet.
- More than 1 million described species, with many more undiscovered.
- Belong to the phylum Arthropoda, sharing characteristics like an exoskeleton and jointed appendages.
- Key roles in ecosystem services such as pollination, nutrient cycling, and biological control.