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They stick to webs because the webs are generally sticky. Some webs rely mostly on the prey struggling and getting tangled up in the silk fibers.

Some Spiders have oil on their bodies to prevent them from sticking to their own webs. However, most make their webs in two parts, sticky and not sticky. Since they build their own webs, they know which strands of silk are sticky and which ones are not.

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13y ago

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