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Annelida (segmented worms) - Digital Universe.
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Annelida (segmented worms) - Digital Universe.
http://www.digitaluniverse.net/portal/2728
Annelida (segmented worms) Path Digital Universe Home > Life on Earth > Tree of Life > Nucleated Life (Eukaryota) > Animals > Annelida (segmented worms) Dioramas /content/2728/Dio.jpg Children Links
Biology > Biota > Fauna > Annelida
tree of life
Jan 1, 2007
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Other links at Biology > Biota > Fauna > Annelida
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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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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Anatomical illustrations of segmented worms from the University of California at Santa Cruz.
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Annelid worms, brought to you by Biological Sciences at the University of Paisley.
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6. 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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Annelida (segmented worms) Path Digital Universe Home > Life on Earth > Tree of Life > Nucleated Life (Eukaryota) > Animals > Annelida (segmented worms) Dioramas /content/2728/Dio.jpg Children Links
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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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Slide 10 of 38 Phylum Annelida (segmented worms) Biology 200 Coral Reefs --
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