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

Cover of Developmental Biology
Developmental Biology. 6th edition.
Gilbert SF.
Sunderland (MA): Sinauer Associates; 2000.
Copyright © 2000, Sinauer Associates.

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