Specimen Workbook Page 11

Sea LettuceUlva lactuca A bright green sheet of fast-growing alga that can be found in intertidal pools and shallow, quiet bays near the low tide mark. It thrives in the nutrient-rich waters of estuaries or recently disturbed habitats where it is one of the first algae to start growing. Ulva is a nutritious source of proteins, minerals, and vitamins. It is 31% protein, very high in iron, iodine, aluminum, manganese and nickel. It also contains starch, sugar, vitamins A, B1, B2, and C. Also sodium, potassium, calcium, soluble nitrogen, phosphorous, sulfur, chloride, silicon, rubidium, stronium, barium, radium, cobalt, boron, and trace elements. To process; wash thoroughly in fresh water, drain and dry. Use as a seasoning to soups, stews, and seafood dishes. Class: Ulvales Family: Ulvaceae
Sea PansyRenilla mulleri&nbsp A soft coral, with a purple skeleton made of soft material and feathery white polyps that feed on microscopic planktonic animals. When handled at night waves of brilliant blue luminescence can be seen sweeping over the colony. Anchors itself to the bottom with a short stalk, and makes distinct trails in the mud. Class: Anthozoa  Sub-class: Octocorallia
Sea PorkAmaroucium stellatum&nbsp Early naturalists gave it this name because its thick, gelatinous tissue resembles salted pork. A colonial animal made up of thousands of feeding zooids, glistening chunks, in a grand array of pinks, yellow and greens wash ashore at Alligator Point, Florida beaches. Like other tunicates, it belongs to the Chordates, and in its larval stages has the forerunner of a backbone. It also has gill slits characteristic of higher animals. Subphylum: Urochordata  Class: Ascidiacea
Sea RoachLigia exotica&nbsp A large, scavenging isopod that scurries over docks, wharf pilings, and is frequently seen on the walls and tanks in the lab. Subphylum: Crustacea  Order: Usopoda
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