like spiders or centipedes … even though they are not insects at all! Insect body parts have names a lot like ours — the head, thorax (chest), and abdomen. But insects are also very different from us ...

Insects are the largest group of all living things, containing more than a million identified species (compared with 240,000 flowering plants and 4,500 mammals). They can be found in all habitats ...

All insects belong to the phylum Arthropoda. But unlike other arthropods—like lobsters, spiders, or millipedes—insects have three pairs of jointed legs, segmented bodies, an exoskeleton ...