SPIDERS
Spiders are not insects!
They are actually arachnids - invertebrates ( animals without backbones)
They have eight legs and inject venom
Spiders are found on every continent except Antarctica
There are over 44,000 know kinds of spider
Spiders are found everywhere and are often found in homes!
Spiders are unique among animals in that many spin webs out of silk
The webs catch insects and the sipders eat them later
Malger spiders such as tarabtulas attach insects rather than spin webs
Most spiders eat insects, but tarantulas and larger spiders will eat small lizards and mammals as wll
Many people fear spiders
Most spiders, however, are totally harmless to humans and are actually beneficial because they eat insects
Even the largets tarantula , the Goliath Nird-eating Tarantula is harmless to humans
A tarantula bite is said to be about as painful as a bee sting
Some spider,however, such as the Black Widow Spider, are dangerous to humans
Bites from these spiders usually requie immediate attention
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