December 22, 2012

Tree Frogs Upend Thinking on Evolution

Helen Fields, Smithsonian

AP Photo

Karen Warkentin, wearing tall olive-green rubber boots, stands on the bank of a concrete-lined pond at the edge of the Panamanian rainforest. She pulls on a broad green leaf still attached to a branch and points out a shiny clutch of jellylike eggs. “These guys are hatchable,” she says.

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TAGGED: Genes, Plasticity, Developmental Biology, Evolutionary Biology, Frog