Spiders are Arachnids.
There are about 43,000 known species of spiders.
Spiders can be as small 2mm to as large as 10 inches.
Spiders live as short as three months. Some as long as thirty years.
All spiders have two main body parts.
All spiders have eight legs.
Spiders have two or three claws at the end of each foot.
Spiders can have zero to eight eyes.
Spiders have two appendages called pedipalps, which they use much like arms.
Spiders have sensitive "hairs" with which they can feel vibration, and in certain terms, hear and taste things.
Spiders can walk, run, climb, jump, and hang.
Spiders can move unexpectedly quickly, though not for long.
Some spiders can walk on water, others live under water.
Spider markings are remarkably camouflage to the surroundings they dwell in.
Some crab spiders can adjust their color.
All spiders have two fangs.
Most all spiders produce venom, only three families do not.
True spiders fangs move in and out like a pinch, tarantulas fangs move up and down.
All spiders eat prey for food.
Some spiders trap, others hunt.
All spiders are cannibals.
Spiders eat many pests and keep the numbers down greatly.
Spiders liquefy the innards of prey and suck out the juices for food.
Spiders shed their entire skin to grow.
Spiders can regenerate legs and fangs if they compromised.
Female spiders are quite a bit larger than males.
All male spiders are in danger of being eaten by it's mate.
Some spiders dance to mate, others present gifts of food, or strum codes on webs.
Spiders hatch from eggs.
Some spiders carry all of their babies on their backs.
Baby spiders (spiderlings) make a small web parachute and balloon off in the air to its new home.
Spiders have definitive Latin scientific names.
Common names, based on noticeable traits, are given to spiders by humans for easy identification.
Common names are wide and vary greatly from country to country.
Hence different species end up with the same common names.
The House spider/England differs from the House spider/ USA
All spiders produce silk.
Spiders release there silk from spinneret's on the abdomen.
Spiders make up to six different kinds of silk.
Spiders eat there own webs to regenerate the components in their body.