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Biology 14 Online
josue:

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

Vocaloid:

choices: A. skeleton type and skin covering B.fertilization method and respiration type C.heart type and fertilization method thoughts? as a hint, think about what "cartilaginous" and "bony" could be referring to

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