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Vertebrata

vertebrata

(Science: zoology) One of the grand divisions of the animal kingdom, comprising all animals that have a backbone composed of bony or cartilaginous vertebrae, together with amphioxus in which the backbone is represented by a simple undivided notochord. The Vertebrata always have a dorsal, or neural, cavity above the notochord or backbone, and a ventral, or visceral, cavity below it. The subdivisions or classes of Vertebrata are mammalia, aves, reptilia, amphibia, pisces, marsipobranchia, and leptocardia.


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Re: whales

... which is an altogether different kettle of fish (ha ha!). Actually whales are not only in the same Phylum (Chordata), but also the same Subphylum (Vertebrata)... If the whales descend from a land animal (as Babinski says) like Pakicetus , you can begin to see the difficulties... Imagine a cow, ...

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by Chroma
Sun Nov 22, 2009 8:10 am
 
Forum: Zoology Discussion
Topic: whales
Replies: 23
Views: 17547

Frog Skeleton Help

... correct spelling, and maybe some kind soul may even provide me a picture with labels. So here: Frog Classification Phylum ~ambordata Sub-Phylum ~Vertebrata Class ~Amphibia Order ~Arura Family ~Randos Species ~Vettigera SeNarra ~Kana Vettigera Vertebral Column Atlas-1 Vertebras 2” vertebrae Urostyle ...

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by jemokn
Mon Sep 15, 2008 1:58 pm
 
Forum: Zoology Discussion
Topic: Frog Skeleton Help
Replies: 1
Views: 30837

SKELETAL SYSTEM OF ALL VERTEBRATA - help

Hi, I need good web site about complete detailed skeletal system about all Vertebrata (skulls especially). Is anyone knows about it? Please help!!! Smiljko

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by smiljko
Fri Feb 23, 2007 10:12 am
 
Forum: PDF & Doc Files
Topic: SKELETAL SYSTEM OF ALL VERTEBRATA - help
Replies: 2
Views: 3625

"Twenty questions"-biology game

Vertebrata? Avertebrata? Terrestrial? Aquatic? Avertebrata = invertebrate? if yes then it is Avertebrata Aquatic....fresh water

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by Amrik
Tue Oct 10, 2006 8:10 am
 
Forum: General Discussion
Topic: "Twenty questions"-biology game
Replies: 771
Views: 337344

"Twenty questions"-biology game

Vertebrata? Avertebrata? Terrestrial? Aquatic?

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by Dr.Stein
Tue Oct 10, 2006 7:56 am
 
Forum: General Discussion
Topic: "Twenty questions"-biology game
Replies: 771
Views: 337344
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