WHY DO SPIDERS MAKE SPIDER SILK?

Spiders have silk glands in the abdomen that produce silk, which is used in various ways on a daily basis.
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Spiders have silk glands in the abdomen that produce silk and use it in various ways on a daily basis. With it, they make traps to catch and wrap prey, make sacks for their eggs, tie down a female before mating and hang themselves from various objects.

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