Entomology is a branch of zoology that is specialized in the study of insects. This discipline deals with insect behavior, ...

There are millions of different types of living things on Earth. In order to keep track of them all, scientists put living things into groups based on characteristics that they have that are the same.

More than half of all known animal species on Earth are insects — critters with a hard external skeleton, three pairs of jointed legs, antennae and a body divided into three segments (the head, thorax ...