By Tyler Evans
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Many land snails move around by gliding on there soft foot. The foot is purely muscular which explains the appearance. The muscle is covered with mucus and saliva which explains the simly trail it leaves. The mucus that the snails releases helps it stay dry and prevents the snails from decaying and drying out. Mucus also provides the snail with reducing friction, which allows it to move over sharp objects. It moves slowly in order to decrease friction while also relying of muscular vibrations that send slow signals.
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Squid are able to move around in any direction at any given point of time. Squid can move up, down, left, right, sideways, and even stop in motion to change directions. Squid use fins located on the head to move while swimming at a slow speed. The fins steer while stabilizing squid when moving at a slow pace, and surround the body when it moves faster, by jet propulsion.
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Mussels contain a special organ called the foot. The foot is used to carry and almost drag the rest of the organism through sand, gravel, mud, and other assorted obstacles. When mussels are in the water looking for a habitat. Many mussels with stay very close to where they were born, however some mussels while either be carried by the current until they find a rock or satisfying location. Rarely, mussels will bond on to each other in order to find a habitat that pleases them.