Chordate - Wikipedia, the free encyclopedia
Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates. ...
en.wikipedia.org/wiki/Chordate
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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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Chordates
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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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 ...
www.tolweb.org/Chordata/2499
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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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Chordate - Wikipedia, the free encyclopedia
Chordates (phylum Chordata) are a group of animals that includes the vertebrates, ... The chordates are the largest phylum among the ... Categories: Chordates ...
en.wikipedia.org/wiki/Chordates
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Category:Chordates - Wikipedia, the free encyclopedia
This category consists all articles on taxa at the subphyla and class levels in the chordata phylum.
en.wikipedia.org/wiki/Category:Chordates
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chordates .com
Chordates are defined as organisms that possess a structure called a notochord, ... Other characteristics shared by chordates include the following (from ...
www.chordates.com/
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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
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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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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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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BioMEDIA ASSOCIATES
All chordates possess four characteristics that define the phylum, although in most ... The most primitive chordates are the tunicates or sea squirts, ...
ebiomedia.com/prod/BOchordates.html
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Natural History Collections: Invertebrate Chordates
Outlines the differences between the subphylum Vertebrata and the two subphyla, Urochordata and Cephalochordata.
www.nhc.ed.ac.uk/index.php?page=24.25.312.314
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Chordates
Members of the Phylum Chordata include animals with which students are most likely familiar. Included in the phylum are the fish, birds, reptiles, amphibians and beasts like ...
cas.bellarmine.edu/tietjen/images/chordates.htm
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Morphology of the Chordata
Chordates derive their name from one of their synapomorphies, or derived features indicating their common ancestry. ... All chordates have a notochord at some stage in their lives, ...
www.ucmp.berkeley.edu/chordata/chordatamm.html
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The Shape of Life . Bones, Brawn and Brains | PBS
It's even a stretch to see what connects us with the rest of the chordates, a group of about 50,000 species including the vertebrates like fish, amphibians, reptiles and birds ...
www.pbs.org/kcet/shapeoflife/episodes/bones.html
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Open Directory - Science: Biology: Zoology: Chordates
Biological Diversity: Animals - Outlines the evolutionary history of animal groups from the simple coelomates to the chordates and the various vertebrate ...
www.dmoz.org/Science/Biology/Zoology/Chordates/
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CHARACTERISTICS OF CHORDATES
CHARACTERISTICS OF CHORDATES. Four distinctive derived characteristics of chordates distinguish them from their ancestors: A. Notochord, or a rod of vacuolated cells, encased by a ...
www.shsu.edu/~bio_mlt/Chap2.html
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chordates - Definitions from Dictionary.com
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dictionary.reference.com/search?q=chordates
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