Insects are segmented animals with a very high degree of adaptation. Its fossils can be traced back to the time of Ordovicius. Primitive giant dragonfly and cockroach fossils have been found. A number of Diptera members such as flies and mosquitoes trapped in the sap were also found.
Insects are the most abundant animal group compared to other classes. This is related to the high adaptability of insects. Insects have lived on earth for about 350 million years. During this period of time insects have undergone evolutionary changes and adapted life to almost every type of habitat. Most insects have a relatively small size, allowing insects to live in places that cannot be occupied by larger animals. Some types of insects have wings that allow them to spread widely and avoid predators. Insects have a high ability to reproduce and produce many offspring, and have a short life cycle. Besides that most of the insects carry out metamorphosis, so that each of these phases
