Studies have shown that
you're never more than
three feet away from
an arachnid...

Arachnids include spiders, scorpions, harvestmen (or daddy longlegs), mites, and ticks and are found all over the world.  All arachnids have eight legs, and unlike insects, they don't have antennae or wings. Their bodies are divided into two sections, the cephalothorax in front and the abdomen behind. 

Most arachnids can only eat liquid food, not solid food, so they squirt digestive chemicals into their prey and suck out the juice.  Yum!