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Life 103- Quiz 9

LAST FUCKING ONE

QuestionAnswer
4 traits of chordata notochord, dorsal hollow nerve chord, pharyngeal slits, postanal tail
tunicates: what chordate traits remain in adulthood? only gill slits (larvae have all 4)
tunicate phylum name urochordata
lancelets: what chordate traits remain in adulthood? all 4 (same as larva)
lancelet phylum name cephalochordata
4 traits of vertebrates vertebral column, cranium, endoskeleton, joint appendages
hagfish class and subphylum subphylum: vertebrata; class: myxini
myxini (hagfish) slime stuff, no vertebral column; no jaw
lamprey class and subphylum subphylum: vertebrata class: petromyzontida
petromyzontida (lamprey) vertebral column, no jaw
shark/ray class and subphylum subphylum: vertebrata; class: chondrichthyes
chondrichthyes (sharks/rays) jaws but no bones
seahorse class and subphylum subphylum: vertebrata; class: actinoptergii
actinoptergii (seahorse) lateral line system, swim bladder
ceolocanth/lungfish class and subphylum subphylum: vertebrata; class: sarcoptergii
sarcoptergii (ceolocanth/lungfish) gave rise to lungs
amphibia tetrapods, ectothermic, non-shelled egg
reptilia amniotic egg; ectothermic
aves bones aren't technically hollow, endothermic
parts of a feather shaft-> vane -> barb -> barbule -> hooklets
Created by: melaniebeale
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