Question

1. How will you relate changes in the number of threatened species over time with increasing extinction risks?

2. Try to estimate the percentage of threatened species.​

Answer 1

The number of threatened species is increasing. ... The number of threatened mammals (defined by the International Union for Conservation of Nature and Natural Resources as species listed as either critically endangered, endangered or vulnerable on the Red List) increased by only 21 percent between 2007 and 2020

Answer 2

The number of threatened species is increasing. ... The number of threatened mammals (defined by the International Union for Conservation of Nature and Natural Resources as species listed as either critically endangered, endangered or vulnerable on the Red List) increased by only 21 percent between 2007 and 2020