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vertebrate zoology--midterm 2 apomorphies
apomorphies for chondrichythes, osteichthyes, and tetrapods
10
Biology
Undergraduate 3
03/23/2010
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Term
gnathostomata
 Definition
true vertebrae
jaws
paired fins
true stomach
spleen
true pancreas
true teeth
gall bladder
Term
chondrichthyes
 Definition
rectal gland
placoid scales
endolymphatic duct
Term
elasmobranchii
 Definition
ampullae of lorenzini
Term
holocephalii
 Definition
cephalic clasper
Term
osteicthyes
 Definition
lung
endochondrial bone
operculum
Term
actinopterygii
 Definition
lung to swim bladder
Term
tetrapod
 Definition
visceral arches modified
atlas articulates w 2 occipital condyles
modified pectoral/pelvic girdles
stapes and tympanum
pentadactyly
tetrapody
Term
amphibia
 Definition
4 digits in hands
gas exchange through skin
Term
anura
 Definition
urostyle
Term
gymnophiona
 Definition
lost limbs
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