Each book describes how scientists classify living things and then explains how the order (group of animals) featured in the book fits into the larger picture. Most books include instructions for observing animals in their environment and a section about conservation.Meet the coleoids, a subclass of animals that includes octopuses, squids, and cuttlefish. Learn how coleoids can quickly change colors and textures to camouflage themselves. See why scientists think some coleoids may be as smart as mice
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