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snails, clams, squids and octopodes

Mollusca

Mollusks are a large group of invertebrate animals. Mollusks have soft bodies, and their bodies are not divided into rings like the segmented worms called T Print shirt Stone Neck Banana Republic Bateu 6waqW4S0F . Mollusks don't have legs, though some have flexible tentacles for sensing their environment or grabbing things. Most mollusk species grow a hard shell for protection, but their shell grows in only one or two pieces. It doesn't have joints like the exoskeletons of insects and crustaceans .

Huge pink Of Range Puma Gray Top There are almost 100,000 species of mollusks around the world, and many tens of thousands more undiscovered. Most mollusk species only live in the ocean, but some live in freshwater or on land. In Michigan there are about 300 species of mollusks known, with more to be found.

There are three main groups of mollusks. Snails ( Gastropoda ) are the most diverse group, there are tens of thousands of species. Nearly all snails grow a spiral shell that is all one piece. A few snail groups have stopped growing shells; they're called slugs . The next largest group is Bivalvia , the Lion Fleece Fire Bogner Blue Ice Jacket EqFxAw . These are mollusks with two shells that they can close up tight for protection. Finally there is Cephalopoda , the squids and octopuses. They only live in salt water, so we won't say much about them here. They have no shells, but are larger, smarter, and faster than their relatives in the other groups. Squids and octopuses are all predators; they eat fish, crustaceans, and other mollusks.

 
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. "Mollusca" (On-line), Animal Diversity Web. Accessed October 06, 2018 at http://www.biokids.umich.edu/accounts/Mollusca/

BioKIDS is sponsored in part by the Interagency Education Research Initiative. It is a partnership of the University of Michigan School of Education, University of Michigan Museum of Zoology, and the Hybrid Outdoor grey Jacket Carpo Regatta Dark Blue aZTw5Bgq. This material is based upon work supported by the National Science Foundation under Grant DRL-0628151.
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Material & care

Outer fabric material: 77% polyester, 23% elastane

Fabric: Jersey

Care instructions: Colour may run - please wash separately

Details

Collar: Standing collar

Pattern: Print

Details: Zip fastening

Article number: PU121D052-C11

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