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タコは、進化系統樹でナメクジやカタツムリなどと同じ軟体動物という大きな動物群に属しています。近縁の頭...
Octopuses are mollusks, a large evolutionary group to which slugs and snails also belong. Their complex brains, and those of other closely-related cep...
The day octopus, Octopus cyanea, camouflages itself against the coral reef. ...
