Marine Protozoans and Invertebrates The Tree of Life Web Project should be every students first stop when searching for information about Earths incredible biodiversity.
Visit the The Tree of Life web site
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Animal Beginnings -- The Protozoans An introduction to radiolarians (from the University of California-Berkeley).
Visit the Radiolarians web site
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Animal Beginnings -- The Protozoans An introduction to foraminiferans (from Berkeley).
Visit the Foraminiferans web site
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Defining Animals One of the few places on the web to learn about the unusual Placozoa.
Visit the Placozoa web site
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Defining Animals An introduction to sponges (from Berkeley).
Visit the Sponges web site
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Radial Symmetry An introduction to corals, sea anemones, jellyfishes, and other cnidarians (from Berkeley).
Visit the Cnidarians web site
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Radial Symmetry An introduction to comb jellies and other ctenophores (from Berkeley).
Visit the Ctenophores web site
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Marine Acoelomates and Pseudocoelomates An introduction to flat worms and other platyhelminths, click on Platyhelminthes. For an introduction to ribbon worms click on Nemertini.
Visit the Patyhelminths and Nemertini web site
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Marine Coelomates An introduction to the polychaete annelids (from Berkeley).
Visit the Bristle Worms web site
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Marine Coelomates An introduction to the crustaceans (from Berkeley).
Visit the Crustaceans web site
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Marine Coelomates An introduction to marine chelicerates, the horseshoe crabs (from Berkeley).
Visit the Horseshoe Crabs web site
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Marine Coelomates An introduction to the lophophorate phyla (from Berkeley). For an introduction to clams, snails, chitons, and cephalopods click on Mollusca.
Visit the The Lophophorate web site
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Marine Coelomates An introduction to tunicates, salps, and other urochordates, click on Urochordata. For an introduction to Amphioxus and other cephalochordates click on Cephalochordata. For an introduction to acorn worms and other hemichordates, click on Hemichordata.
Visit the The Deuterostomia web site
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Marine Coelomates An introduction to seastars, sea urchins, sea cucumbers, and other echinoderms (from Berkeley).
Visit the Introduction to the Echinodermata web site
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