Shared Flashcard Set

Details

Title

!Fishes 2

Description

Superclass Gnathostomata

Total Cards

Subject

Biology

Level

Undergraduate 4

Created

11/11/2009

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Additional Biology Flashcards

Term

jaws

Definition

jawed vertebrates

Term

fins

Definition

paired fins; some ostracoderms w/ pectoral fins, pelvic fins appear to have appeared coincident w/ jaws

Term

sensory

Definition

3 semicircular canals

Term

head

Definition

postcranial internal bone: vertebral column and fins

Term

new features

Definition

nervous system, circulatory system, digestive system