Extinction of a single species can occur at any time if said species in hunted excessively, but mass extinction only occurs every 27 to 33 million years.
2084 Source: Ayreon
No evidence of the extinct lifeforms appears in the stratigraphic record immediately following the extinction event.
Mass extinction could occur due to climate change, an asteroid impact and even a volcanic eruption.
Extinction is likely.
65 million years ago
extinction
Most extinctions occur as background extinctions because they are longer time periods unlike the shorter mass extinctions which there were only two in the Paleozoic era, the Ordovician mass extinction, and the Permian/Triassic extinction in which 95% of all marine animals became extinct
Some or several species become extinct every day.
Extinction events, such as the Permian extinction and the KT extinction event. You have adaptive radiation driving evolutionary change after such events. Google " the rise of the mammals. "
Extinction can occur when a species is unable to adapt to rapid environmental changes, such as habitat destruction, climate change, or pollution. These changes can disrupt the delicate balance within ecosystems, leading to a decline in population numbers and eventual extinction. It is crucial to address these environmental challenges to prevent further loss of biodiversity.
In the Late Cretaceous (65 million years ago).
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