masowe wymieranie

Both the start and end of the period are marked by major extinction events.

We'll be studying past extinction events right up through the end of the next current one.

The average time interval between extinction events was determined as 26 million years.

The effect of these differences is most profoundly seen during extinction events.

It is now known that the extinction event occurred specifically between 1942 and 1945.

This lasted for 100,000 years, and caused a large extinction event.

The extinction event did not kill all animal and plant life.

We are in the middle of Earth's 6th extinction event.

This, together with the extinction event, was apparently enough to end their long history.

"But you don't have to go to the tropics to see a major extinction event."