Spiders are insects that have eight legs, and four pairs of eyes. The abdomen has one to four (usually three) pairs of short, movable spinnerets, which emit silk. Spiders use a wide range of strategies to capture prey: trapping it in sticky webs, lassoing it with sticky bolas, mimicking the prey to avoid detection, or running it down. Most spiders will only bite humans in self-defense, and few produce worse effects than a mosquito bite or bee-sting.


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