What Are Insects?
Insects belong to the largest animal group. There are over 5 million species of insects in the world which have been discovered. Insects are invertebrates, this means that they don’t have a backbone. They have exoskeletons which are hard and are located on the outside of their bodies which help protect their bodies. They are cold-blooded animals.
Insects have been on Earth for more than 320 million years. The oldest insects in the world are dragonflies, cockroaches, and termites. Insects can be found on land, in the oceans, in arctic conditions, in volcanic conditions, and at incredibly high altitudes. It … Continue