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Annelida is a group commonly referred to as segmented worms, and they are found worldwide from the deepest marine sediments to the soils in our city parks and yards. Through most of the 20th century Annelida was split into three major groups;
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tolweb.org/Annelida/2486
tolweb.org/Annelida/2486
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Characteristics of Annelida: Plesiomorphies and Other Features ... 1994. A new genus and species of Dorvilleidae (Annelida, Polychaeta) from Bermuda, with a phylogenetic analysis of ... Page: Tree of Life Characteristics of Annelida: Plesiomorphies and Other Features Authored by Greg W. Rouse and Fredrik Pleijel.
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tolweb.org/articles/?article_id=57
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Introduction to the Annelida, the segmented worms. ... Segmented worms make up the Phylum Annelida. The phylum includes earthworms and their relatives, leeches, and a large number of mostly marine worms known as polychaetes. Various species of polychaete are known as lugworms, clam worms, bristleworms, fire worms, sea mice,
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www.ucmp.berkeley.edu/annelida/annelida.html
www.ucmp.berkeley.edu/annelida/annelida.html
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The segmented worms, including earthworms, polychaete worms, and leeches. ... Members of the Phylum Annelida can be found throughout the world, in marine, freshwater, and terrestrial environments. Ecologically, they range from passive filter feeders to voracious and active predators.
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animaldiversity.ummz.umich.edu/site/accounts/informatio...
animaldiversity.ummz.umich.edu/site/accounts/information/Annelida.html
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Kingdom Animalia (animals) ... Phylum Annelida (segmented worms) ... Home Kingdom Animalia Phylum Annelida...
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animaldiversity.ummz.umich.edu/site/accounts/classifica...
animaldiversity.ummz.umich.edu/site/accounts/classification/Annelida.html
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An introduction to the biology, classification and ecology of Earthworms, Ragworms and Leeches the phylum Annelida ... Characteristics of Annelida:-; 1)Bilaterally symmetrical and vermiform. 2)Body has more than two cell layers, tissues and organs. 3)Body cavity is a true coelom, often divided by internal septa.
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www.earthlife.net/inverts/annelida.html
www.earthlife.net/inverts/annelida.html
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; Kingdom Animalia; PHYLUM ANNELIDA ... The phylum Annelida (segmented worms) is diverse, containing the earthworms, leeches, and marine worms. ... There are three major classes within the phylum Annelida, described below.
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www.esu.edu/~milewski/intro_biol_two/lab__12_annel_arth...
www.esu.edu/~milewski/intro_biol_two/lab__12_annel_arthro/Annelida.html
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Far from being lowly worms, ... With a circulatory system to distribute blood and oxygen and a one-way gut, ... Marine polychaete Marine polychaete Cambrian explosion fossil of Aysheaia Candy-striped worm Close up of annelid parapodia (appendages) Flatworm attacking an Earthworm Click photo to enlarge Features * * * * * Species...
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www.pbs.org/kcet/shapeoflife/animals/annelids.html
www.pbs.org/kcet/shapeoflife/animals/annelids.html
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