Insects are a large group of organisms. They can be found almost everywhere. Insects favor hot and humid environments, which is why tropical rainforests are full of them.

All insects share the following characteristics:

• six legs
• three body parts: a head, a thorax and an abdomen. 
• multiple pairs of eyes
• wings
• hard, external supporting structure
• metamorphosis: egg - larva - (pupa) - adult
• cold-blooded or poikilothermic

The most common groups of insects include: