Chordates


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Chordates Sites

Science Biology Zoology Chordates
Science biology zoology chordates sites
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Science Biology Zoology Chordates
Science biology zoology chordates sites
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Anatomical Terms of Location
article from wikipedia describing the complex terminology necessary to be used when describing the anatomy of animals in order to avoid confusion.
en.wikipedia.org/wiki/Anatomical_terms_of_location
Animal Diversity
gives the key anatomical characteristics of members of phylum hemichordata , phylum chordata and its subphyla urochordata , cephalochordata and vertebrata. illustrated by slides.
www.umanitoba.ca/faculties/science/biological_sciences/lab13/biolab13_3.html#Hemichordata
Bone
article from wikipedia describing the characteristics , functions and types of bone and how bone is formed.
en.wikipedia.org/wiki/Bone
Breathing in Stegocephalians
most tetrapods breathe with the lungs that they inherited from their ancestors such as the coelacanth and lungfishes and this is probably also true of extinct groups of stegocephalians.
tolweb.org/notes/?note_id=469
Cardiovascular System: The Heart and Vessels
outlines the function of this system , its anatomy and physiology , and compares the mammalian organs with those of birds , amphibians , reptiles and fish.
www.peteducation.com/article.cfm?cls=15&cat=1829&articleid=2951
Chordata
information on the invertebrate members of the phylum chordata , what they have in common , and the characteristics of the two subphyla , urochordata and cephalochordata.
www.bumblebee.org/invertebrates/CHORDATA.htm
Cornell University Museum of Vertebrates
educational and research resource with sections on ichthyology , herpetology , ornithology and mammalogy.
naturalhistorycollections.cornell.edu/vertebrate/
Department of Vertebrate Zoology
information on the research and programs being undertaken at the smithsonian museum of natural history.
vertebrates.si.edu/
Guide to Animal Sounds on the Net
provides an index to animal sounds on the web including birds , mammals , reptiles , amphibians , fish and insects.
members.tripod.com/Thryomanes/AnimalSounds.html
Hearing in Stegocephalians
in this article , michael laurin outlines the anatomy and evolution of the outer , middle and inner ear in land vertebrates.
tolweb.org/articles/?article_id=470
Infrared Zoo
uses infrared photography to show the differences between warm and cold blooded animals.
coolcosmos.ipac.caltech.edu/image_galleries/ir_zoo/
Invertebrate Members of the Phylum Chordata
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
Life History of Stegocephalians
michael laurin outlines the life history of tetrapods and extinct terrestrial vertebrates.
tolweb.org/notes/?note_id=468
Molecular Patterns of Sex Determination in the Animal Kingdom: a Comparative Study of the Biology of Reproduction
abstract from an article studying a variety of regulatory mechanisms that determine the sex of offspring in the animal kingdom.
www.rbej.com/content/4/1/59
Museum of Vertebrate Zoology Collections
searchable database of specimens that includes over 50 , 000 tissue samples for use in molecular analyses.
mvz.berkeley.edu/

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