The world is full of all sorts of insects. You can find them everywhere you go, whether swimming in a pond, weeding your garden, playing on the playground, or enjoying a picnic lunch. It is said that there are 200,000,000 insects for every person on earth. Scientists have identified more than a million different kinds of insects. And they think there are millions more species still waiting to be discovered.
Insects belong to a group called arthropods. Unlike you and me, with our bony internal skeletons, an arthropod’s body is covered with a tough outer shell, or exoskeleton. This exoskeleton is divided into segments that allow the critter to move. In fact, the word arthropod means “jointed legs.” Arthropods include not only insects, but also centipedes, crustaceans, and arachnids like spiders, ticks, and mites. Continue reading All Sorts of Insects – Background