Composed of fine silts and clays, mud flats harbor burrowing creatures including clams, mussels, oysters, fiddler crabs, sand shrimp, and bloodworms. Salt marshes are salty because they are flooded by seawater every day. They are marshy because their ground is composed of peat.
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Composed of fine silts and clays, mud flats harbor burrowing creatures including clams, mussels, oysters, fiddler crabs, sand shrimp, and bloodworms. Salt marshes are salty because they are flooded by seawater every day. They are marshy because their ground is composed of peat.