Estimates indicate the average annual background extinction rate is one to five species for each million species on earth.

Question

Quizplus · Accepted Answer

This statement is true. The average annual background extinction rate is estimated to be one to five species for each million species on Earth. This means that without any human activity or other major disruptions, one to five species per million will naturally go extinct each year.

Estimates Indicate the Average Annual Background Extinction Rate Is One