How does a clam dig himself into the sand?
We must dig down into the sandy silt to find his secret hiding place. So we know that he can dig himself a borrow. But it takes a sharp prong and a pair of strong, grown up hands to open his closed clam shells. You wonder how in the world he used his stiff, solid saucers to dig a hole in the ground. The soft, juicy clue, lives inside his two sturdy shells. When something scares him, he pulls them shut to protect himself from his hungry enemies. And he holds them shut with two small, but very mighty muscles. He feels scared when someone digs him out of his secret, sandy burrow and bumps him into a basket. When we meet him, he is shut up as tight as a scared clam should be. But he does not spend his everyday life sealed tight in his house of shells. Parts of his soft body are movable and one part can move outdoors. The clam belongs in the animal class called Pelecypoda. This fancy scientific name means hatchet foot. The clam has one, just one thick, fleshy foot. And when he partly opens
