Many plants, insects, and crustaceans show within-population variability in dormancy length. The question of whether such variability corresponds to a genetic polymorphism of pure strategies or a ...

abstract: This article uses mathematical models to investigate the consequences of noninstantaneous choice between two prey types by a predator. The models are characterized by three features: ...

Emerging and opportunistic diseases are caused by a microorganism invading a new habitat, either a new host species (as in the case of SARS and tuberculosis) or a new tissue compartment within the ...