As predator populations increase, they put greater strain on the prey populations and act as a top-down control, pushing them toward a state of decline. Thus both availability of resources and ...

Introduction to the show's theme: the "arms race" between predator and prey as a driving force in evolution. Example where a microbe is predator, humans are prey Russian prisons have spawned a ...

Often, however, the pressure to adapt comes from another organism. It can occur between species that are predator and prey, competitors, or even between organisms linked by mutually beneficial ...