Massenaussterben
Massenaussterben refers to a significant and widespread decrease in the diversity of life on Earth. It is characterized by a rapid extinction of a large percentage of species within a geologically short period. These events are distinct from the ongoing background extinction rate, which is the natural, gradual disappearance of species over time.
The causes of mass extinctions can be varied and often involve catastrophic events. Major volcanic activity,
Scientists have identified five major mass extinction events in Earth's history, often referred to as the "Big
The consequences of mass extinctions are profound, reshaping the biosphere and creating new ecological opportunities for