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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
With few exceptions, chordates are active animals with bilaterally symmetric ... The most distinctive morphological features of chordates are the notochord ...
tolweb.org/Chordata/2499
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Chordate - Wikipedia, the free encyclopedia
Chordates (phylum Chordata) are a group of animals that includes the vertebrates, ... The chordates and three sister phyla, the Hemichordata, the Echinodermata and ...
en.wikipedia.org/wiki/Chordates
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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
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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chordate: Definition from Answers.com
chordate n. Any of numerous animals belonging to the phylum Chordata, having at some stage of development a dorsal nerve cord, a notochord, and gill
www.answers.com/topic/chordate
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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 - 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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Biology of Animals & Plants - Simple Chordates
It used to be thought that all of our close relatives would be vertebrates, with backbones. But a couple of small sea creatures without backbones still ...
faculty.fmcc.suny.edu/mcdarby/Animals&PlantsBook/A...
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Open Directory - Science: Biology: Zoology: Chordates
Sep 22, 2008 ... 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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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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Morphology of the Chordata
Chordates derive their name from one of their synapomorphies, or derived ... All chordates have a notochord at some stage in their lives, but in some (such ...
www.ucmp.berkeley.edu/chordata/chordatamm.html
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CHARACTERISTICS OF CHORDATES
... distinctive derived characteristics of chordates distinguish them from their ancestors: ... that may develop as the thyroid gland in chordates ...
www.shsu.edu/~bio_mlt/Chap2.html
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Chordates definition of Chordates in the Free Online Encyclopedia.
Encyclopedia article about Chordates. Information about Chordates in the Columbia Encyclopedia, Computer Desktop Encyclopedia, computing dictionary.
encyclopedia2.thefreedictionary.com/Chordates
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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 - Hutchinson encyclopedia article about Chordates
The series will devote hour-long programs to eight of the major body plans--sponges, cnidarians (jellyfish and kin), flatworms, mollusks, annelids (earthworms) arthropods (insects ...
encyclopedia.farlex.com/Chordates
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Phylum Chordata Overview
Overview. More on the chordates is here. A Chordate review PDF is here Another way is here ... Segmentation and Vertebrate Origins. Be sure to go forward through the entire article.
cas.bellarmine.edu/tietjen/images/phylum_chordata_...
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