ocr: - - - - - X7 Insect World Insects are by far the most numerous, most diverse, and most widespread of all living beings. There are upt to 11 million known species, far outnum- bering all other animals and plants. And scientists think there are several million more still to be found. Insects live everywnere: in ice fields, deserts, forests, mountains, and seashores. Some insects live on other animals, including other insects. Background