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Introduction to the Annelida
41507
Introduction to the Annelida
http://www.ucmp.berkeley.edu/annelida/annelida.html
Introduction to the Annelida, the segmented worms.
Biology > Biota > Fauna > Annelida
Jan 6, 2008
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Other links at Biology > Biota > Fauna > Annelida
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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Analytical Chemistry. Classified links of the Chemistry Biology Information Center of ETH Zürich.
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Slide 10 of 38 Phylum Annelida (segmented worms) Biology 200 Coral Reefs --
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Fluid in coelom provides hydrostatic pressure for hydrostatic skeleton . Epidermis secretes cuticle.
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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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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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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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