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QUESTION

Octopuses have 8 tentacles, spiders have 8 legs.

Is there something special about 8? It seems like an animal that needs 360° mobility has 8 legs.

{ asked by user2993 }

ANSWER

No, there is nothing special about eight legs. You have species with two legs (humans), four legs (most mammals), six legs (insects), eight legs (spiders), ten legs (lobsters), and many more legs (millipedes, centipedes).

{ answered by Michael Kuhn }
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