Does a spider have a backbone?
No, spiders as well as other arachnids (like scorpions) and insects have exoskeletons. There are 40,000 species of spider.
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About Spiders
Spiders are one of those creatures that most people prefer not to run across, yet these arthropods are an important part of nature. They are natural predators and help control the population of harmful insects. Spiders are generally harmless to humans, yet people have this almost instinctual fear of them. However, some cultures view the spider as a symbol of patience.
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