Sexual selection plays an important role in species evolution and speciation, and is fundamental to understanding of biological evolution. In the last decades, research on sexual selection helped understand its causes and impacts in species evolution, sexual dimorphism, and speciation. It also provided interesting examples that can be used to engage students in learning about evolution. Here we review the latest sexual selection research and propose two activities that model evolution by sexual selection. The engaging nature of these activities makes them useful to promote active learning about evolution, the nature of science, and methods used to construct scientific knowledge. Importantly, we address several performance expectations suggested by the Next Generation Science Standards.

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