[["Not only are octopuses cold-blooded, but they also have blue blood.", 473.0], ["Not only are octopuses cold-blooded, but they also have blue blood. In order to survive in the deep depths of the oceans, octopuses have evolved to have a copper-based bloodstream known as hemocyanin, instead of the more commonly known iron-based bloodstream.", 80.0], ["An octopus is indeed a cold-blooded animal, as are almost all invertebrates.", 64.0]]
is an octopus cold-blooded
animals,octopus,squid,jellyfish