The body wall<span> of a star fish is made up of a thin cuticle, an epidermis with a single layer of cells, a thick dermis composed of connective tissue and a thin coelomic myoepithelial layer, which allows the longitudinal and circular musculature.</span>
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umm i really want to help u with this question but where is the diagram?
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the answer is Heavy metals will bioaccumulate in the oysters.
Explanation: i took the test