What Makes an InsectA small animal without a backbone. Its body is divided into three parts. Insects have three pairs of legs and usually two pairs of wings. Flies, ants, grasshoppers, and beetles are a few of the many kinds of insects.?
Insects are divided into two main groups: those with wings and those without. There are nearly one million known speciesA group of individuals that have many of the same characteristics, and are different from all other animals in some important way. Hamsters and mice are two different species of rodent. of insects, and more are being discovered each year! Many people think that spiders are insects—they are not. Spiders belong to a different group of animals called arachnids, which also includes scorpions.
- Are invertebrates (which means they do not have a backboneThe column of bones (spine) in the back of many animals. It supports the body. An animal with a backbone is called a vertebrate. or internal skeleton. Instead, they have a hard exoskeletonMeaning outside skeleton, it refers to certain animals' hard outer bodies. For example, many insects have a hard skin called an exoskeleton. The exoskeleton does not grow; it must be molted. Crabs, lobsters, and tarantulas have exoskeletons, too. on the outside of the body.)
- Have a body divided into three parts: the head, the thorax (the middle section), and the abdomen.
- Have two antennae and six legs
- Hatch from eggs