The release of A Framework for K–12 Science Education: Practices, Crosscutting Concepts, and Core Ideas (NRC, 2012) provides the basis for the next generation of science standards. This article first describes that foundation for the life sciences; it then presents a draft standard for natural selection and evolution. Finally, there is a discussion of the implications of the new standards for biology programs in general and curriculum, instruction, and assessment in particular.

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