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Gilbert SF. Developmental Biology. 6th edition. Sunderland (MA): Sinauer Associates; 2000.

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Cover of Developmental Biology

Developmental Biology. 6th edition.

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Figure 2.4. Metamorphosis of the frog Rana.

Figure 2.4

Metamorphosis of the frog Rana. (A) Huge changes are obvious when one contrasts the tadpole and the adult bullfrog. Note especially the differences in jaw structure and limbs. (B) Premetamorphic tadpole. (C) Prometamorphic tadpole, showing hindlimb growth. (D) Onset of metamorphic climax as forelimbs emerge. (E, F) Climax stages. (Photograph © Patrice Ceisel/Stock, Boston.)

From: The Frog Life Cycle

Copyright © 2000, Sinauer Associates.

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