Which of the Following Observations Provides the Best Evidence of a Biodiversity

Question

Which of the following observations provides the best evidence of a biodiversity crisis?
A) the incursion of a non-native species
B) increasing pollution levels
C) high rate of extinction
D) climate change

Accepted Answer

The high rate of extinction directly indicates a loss of biodiversity, as it means species are disappearing at an alarming rate. This is a direct measure of biodiversity loss, making it the best evidence of a biodiversity crisis among the options provided.