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Improving on Nature?

In 1958, black bass were introduced into Lake Atitlan in the highlands of western Guatemala as a way to attract tourism and boost the local economy ...


The Dangers of Deicing

Loss of species richness is often due to anthropogenic activity. The global decline of amphibians is one such example. This case study examines the ...


The Horseshoe Crab

This case study examines the population dynamics of the horseshoe crab, which is sometimes described as a “living fossil.” Students are ...