What are The kind of events that are responsible for the greatest loss of large number of species?

The greatest loss of large numbers of species is often attributed to catastrophic events such as mass extinctions, which can be caused by factors like asteroid impacts, volcanic eruptions, and rapid climate changes. Human activities, including habitat destruction, pollution, and overexploitation of resources, have also led to significant declines in biodiversity. Additionally, the introduction of invasive species can disrupt ecosystems and contribute to species loss. These events can result in the rapid decline or complete extinction of numerous species within a relatively short time frame.