Frogs and toads
Anura
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Identifications
frogs and toads
Anura
Caption
Internal anatomy of anurans, illustrating sex differences.
Contributors
Michigan Science Art 
(copyright holder)
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It is a partnership of the University of Michigan School of Education, University of Michigan Museum of Zoology, and the Detroit Public Schools. This material is based upon work supported by the National Science Foundation under Grant DRL-0628151.
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