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OpenStudy (anonymous):

Which pair of characteristics would you use to place a fish in one of the three fish classes: agnatha, cartilaginous fishes, or bony fishes?

OpenStudy (anonymous):

yummy...i am guessing: jaws/suckers, cartilage/bone. it's all just food to me.

OpenStudy (anonymous):

This sounds like a biology question, you might have better luck there :)

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