What are the characteristic signs of insects?

The Insects class includes over a million species of arthropods with six legs. The insect’s body is divided into three sections: head, chest and abdomen. On the head are the main senses, which allow one to navigate in space, and the mouth organs, which serve to capture poverty. The chest carries motor limbs – legs and wings, which are found in most adult insects. Most of the internal organs are concentrated in the abdomen.

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