Is scorpion a reptile or insect?

Scorpion's are classified as arachnids, they share this
category with spiders and mites. They have eight legs and are considered nocturnal (most
waking activity is at night) arthropods. Scorpion's are also considered venomous
invertebrates ( they lack a backbone). Over 1,200 species of scorpions exist worldwide
and are found in almost all geographic locations. Scorpion's are not considered insects,
but they do feed on insects. This is their primary food source. A small percentage of
scorpion's have a deadly sting, but of those who do, the venom secreted is quite toxic
to humans. In the United States, scorpion habitats are mainly in dry, arid environments
like the great deserts. but are found in almost all U.S.
states.

Spiders and Things/Melton/p.
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