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Chordate - Wikipedia, the free encyclopedia
Chordates (phylum Chordata) are animals which are either vertebrates or one of several closely related invertebrates. They are united by having, ...
en.wikipedia.org/wiki/Chordate
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Chordates - virted.org
Chordates are animals with backbones. Animal groups in the chordate phylum include fish, amphibians, reptiles, birds and mammals. ...
www.mcwdn.org/Animals/Chordate.html
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Introduction to the Chordata
All chordates have the following features at some point in their life (in the case of humans and many other vertebrates, these features may only be present ...
www.ucmp.berkeley.edu/chordata/chordata.html
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Chordata
In some non-vertebrate chordates and fishes the notochord persists as a laterally ... In many of the non-vertebrate chordates, such as tunicates and ...
tolweb.org/Chordata/2499
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Chordates
Chordates are a diverse group of animals that comprise the phylum Chordata. There are approximately 44000 species of chordates, ranging in size from several ...
science.jrank.org/pages/1459/Chordates.html
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The Shape of Life . Chordates | PBS
Of the approximately 50000 living chordates, 97% are vertebrates -- animals whose skeletons ... Learn more about Chordates in "Bones, Brawn and Brains" ...
www.pbs.org/kcet/shapeoflife/animals/chordates.htm...
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Chordates - BioMEDIA ASSOCIATES
BioMEDIA ASSOCIATES, To many students, the phylum Chordata doesn't seem to make much sense. It contains such apparently disparate animals as tunicates (sea ...
ebiomedia.com/prod/BOchordates.html
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chordates .com
Chordates are defined as organisms that possess a structure called a notochord, at least during some part of their development. The notochord is a rod that ...
www.chordates.com/
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Chordates - Phylum Chordata
All chordates have several things in common that occur at some stage of development. They have pharyngeal slits, which are openings that connect the inside ...
www.angelfire.com/mo2/animals1/phylum/chordata.htm...
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Morphology of the Chordata
All chordates share four basic features. ... Chordates derive their name from one of their synapomorphies, or derived features indicating their common ancestry.
www.ucmp.berkeley.edu/chordata/chordatamm.html
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ADW: Chordata: Information
Chordates are defined as organisms that possess a structure called a notochord, at least during some part of their development. The notochord is a rod that extends most of the ...
animaldiversity.ummz.umich.edu/site/accounts/infor...
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Chordates - definition of Chordates in the Medical dictionary - by the ...
Chordata /Chor·da·ta/ (kor-dÄt´ah) a phylum of the animal kingdom comprising all animals having a notochord during some developmental stage.
medical-dictionary.thefreedictionary.com/Chordates
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Phylum Chordata Overview
Phylum Chordata; (Click on picture for more info) ... Overview. More on the chordates is here. A Chordate review PDF is here Another way is here
cas.bellarmine.edu/tietjen/images/phylum_chordata_...
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Open Directory - Science: Biology: Zoology: Chordates
Oct 15, 2009 ... Biological Diversity: Animals - Outlines the evolutionary history of animal groups from the simple coelomates to the chordates and the ...
www.dmoz.org/Science/Biology/Zoology/Chordates/
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CHARACTERISTICS OF CHORDATES
Four distinctive derived characteristics of chordates distinguish them from their ancestors:
www.shsu.edu/~bio_mlt/Chap2.html
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Chordates - Profile of Chordates
The unifying characteristic of chordates (Phylum Chordata) is the presense of a notochord (an internal skeletal rod that provides support) during some stage of the animal's ...
animals.about.com/od/identifyinganimals/p/chordate...
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Systematics of Chordates and their Allies
Systematics of Chordates and their Allies. All chordates are deuterostomes, meaning that the anus develops before the mouth in early embryonic stages, and all share typical ...
www.ucmp.berkeley.edu/chordata/chordatasy.html
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Biological Diversity 9
Outlines the evolutionary history of animal groups from the simple coelomates to the chordates and the various vertebrate classes, with diagrams and photographs. ... Vertebrate Chordates
www.emc.maricopa.edu/faculty/farabee/BIOBK/BioBook...
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chordate: Definition from Answers.com
All chordates, at some time in their life cycle, possess a dorsal supporting rod (notochord), gill slits, and a dorsal nerve cord.
www.answers.com/topic/chordate
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