Current rates of species extinction appear to be approximately                    historical rates of extinction. a. equal to; b. 10 times lower than; c. 10 times higher than; d. 50 to 100 times higher than; e. 1000 to 10,000 times higher than

Video transcript

Hello everyone here we have a question asking us which of the following statements about species extinction is correct. A current rates of species extinction appear to be 50- times higher than historical rates of extinction. This is correct. Be the history of life has been punctuated by five mass extinction events, with 75 to more than 90% of all species disappearing in a geological blink of an eye catastrophes. This is correct. See the major threats to species extinction fall into four broad categories habitat loss or degradation, the introduction of non native species over exploitation and pollution effects. This is correct. So our answer is D all the above. Thank you for watching. Bye.