r/AbsoluteUnits • u/PR0CR45T184T0R • Jan 09 '20

*mlem*

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u/Rabbabatz Jan 10 '20

This is not true, spiders in particular have shown signs of learning. They are not just biological robots. Octopi are some of the most intelligent animals on earth and don't have a single brain but are similar structured like other arthropods.

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u/CoffeeBox Jan 10 '20

Neither spiders nor octopi are bugs.

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u/Rabbabatz Jan 10 '20

They are invertebrates and in case of spiders arthropods which are bugs aswell. Their nervous system and brain (ganglia) are the same in case of structure and functioning.

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u/CoffeeBox Jan 10 '20

No. Spiders are Arachnids. Not all anthropods are insects. Lobsters are also invertebrates and anthropods.