Term
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Definition
notochords
vertebraes
dorsal, hollow nerve cord
pharyngeal slits
post anal tail
duerterstome development |
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Term
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Definition
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Term
|
Definition
| mammals, reptiles, birds, amphibians, fishes |
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Term
|
Definition
| bony, jawless, cartilagenuous |
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Term
|
Definition
skeleton with bones
covered by scales
swim by fins
external fertilization |
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Term
|
Definition
lamprey & hagfish
no true vertebrae
slender, cylinder bodies
round muscular mouth for sucking
skeleton all cartilage |
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Term
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Definition
sharks & rays
skeleton all cartilage
some covered with scales
paired lateral fins
teeth-modified scales |
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Term
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Definition
forelimbs adapted for flights
warm blooded
exhibit parental care |
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Term
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Definition
salamanders, frogs, toads
tetrapods,
metamorphisis from gilled tadpole
jelly like shells
no claws
extnl & internal fertilization
cold blooded
first group of animals with vocal cords (toads and frogs) |
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