Why do Orb Weaving Spiders Make Patterned Webs?

Walking through them or admiring at a distance, spider webs can be found nearly everywhere. So, why do orb weaving spiders make patterned webs

How do spiders avoid getting tangled in their own webs?

Why do Orb Weaving Spiders Make Patterned Webs?

Orb-weaving spiders use their webs like external eardrums

Body color patterns of nocturnal orb web spiders. Dorsal (A– D) and

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Marbled Orb Weaver, Vol. 9, No. 31 Mississippi State University Extension Service

How do spiders avoid getting tangled in their own webs?