The Sixth Mass Extinction

It is the first time in Earth's history that species extinction rates are increasing.

It is happening at a slower rate than previous mass extinctions.

It is caused by human activities and happening at a faster rate than previous mass extinctions. (correct)

It is the result of natural events like climate change and geological activity.

The current rates are similar to previous mass extinctions.

The current rates are 10 to 100 times faster than in pre-human times.

The current rates are 100 to 1,000 times slower than in pre-human times.

The current rates are 100 to 1,000 times faster than in pre-human times. (correct)

An increase in the diversity of species.

A decrease in the number of endangered species.

Nearly half of all the species on Earth might be wiped out within the next 100 years. (correct)

No significant impact on Earth's species.