All mollusks build their own shells, whether they live in water or on land. Creatures like snails, clams, oysters and mussels use an organ called a mantle to secrete layers of calcium carbonate, which ...
Those curious about snails will learn how they hunt, mate and live their daily lives, Dooley said in the release. The show ...
It, uh, doesn’t always work. And when it does—that is, when the periwinkle shows itself—is the humming really responsible? San Jose State University marine biologist and periwinkle behavior expert ...
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