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Phylum Annelida The segmented worms.
62780
Phylum Annelida The segmented worms.
http://intranet.stgregorys.edu/people/faculty/dewinslow/Zoology/non-deuterostomes/Phylum%20Annelida.ppt
Fluid in coelom provides hydrostatic pressure for hydrostatic skeleton . Epidermis secretes cuticle.
Biology > Biota > Fauna > Annelida
annelid coelom phylum mosaic development cerebral ganglia developmental characteristics giant axons aortic arches freshwater species bilateral symmetry
Jan 1, 2007
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Other links at Biology > Biota > Fauna > Annelida
Fluid in coelom provides hydrostatic pressure for hydrostatic skeleton . Epidermis secretes cuticle.
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Slide 10 of 38 Phylum Annelida (segmented worms) Biology 200 Coral Reefs --
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The phylum Annelida, segmented worms, is characterized by the possession of a coelom (body cavity), setae (moving bristles), and a body divided into segments by transverse rings.
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Phylum Annelida Introduction Annelids (segmented worms) are extremely successful and have invaded terrestrial, freshwater, and marine habitats. They include familiar forms such as earthworms and leeches and many diverse marine organisms.
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5. Annelida
Comprehensive information on these organisms and their phylogenetic relationships from the Tree of Life Web Project, with photographs of several species.
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Analytical Chemistry. Classified links of the Chemistry Biology Information Center of ETH Zürich.
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Segmented worms - metameric organization (one compartment after another somites segments organized about the same). Annelids are very complex animals. First animal with a true coelom which runs the entire length of the body. Triploblastic; bilateral symmetry.
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These are the most highly developed helminths, having segmented bodies, a circulatory system, nephridia (part of a primitive excretory system, but still much more advanced than the flame cells of, for example, the Platyhelminthes), a highly developed digestive system, and a primitive brain.
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Annelid worms, brought to you by Biological Sciences at the University of Paisley.
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