Octopus Intelligence Shakes Up Darwin’s Tree
The octopus presents a conundrum in animal intelligence: a highly intelligent invertebrate.
We used to live in a tidy world, where vertebrates, with backbones terminating in a brain, were more intelligent than invertebrates, which have a variety of nervous system layouts and structures (or, in many cases, little or none thereof). Mammals and birds are, of course, highly favored for intelligence because they are warm-blooded (endothermic), and the brain is a high metabolic area. The traditional “tree of intelligence” makes sense, actually.
But then we got to know the octopus.
A “Second Genesis”
Called by some a “second genesis of...
is a Canadian journalist, author, and blogger. She blogs at Blazing Cat Fur, Evolution News & Views, MercatorNet, Salvo, and Uncommon Descent.Get Salvo in your inbox! This article originally appeared in Salvo, Issue #64, Spring 2023 Copyright © 2023 Salvo | www.salvomag.com https://salvomag.com/article/salvo64/spineless-wonders