Citation:
A mass extinction refers to a significant and widespread decrease in the diversity and abundance of life on Earth, resulting in the extinction of numerous species within a relatively short period of time.
The variety and abundance of different species living within a specific area or on Earth as a whole.
The collection of preserved remains or traces (fossils) of past organisms that provide evidence for their existence and evolution over time.
An event that leads to the complete disappearance of a particular species from Earth.