文件名称：Frogs without polliwogs: Evolution of anuran direct development
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更新时间：2024-07-19 15:40:06
学术 论文
Frogs without polliwogs: Evolution of anuran direct development Frogs without polliwogs: Evolution of anuran direct development Elizabeth M. Callery,1 Hung Fang,2 and Richard P. Elinson3* Summary Direct development is the assumption of the adult morphology without progression through an intervening, morphologically distinct, free-living larval phase. We discuss the ecological factors contributing to the evolu- tion of this derived life-history strategy in frogs, and the developmental modifica