Which Is a Likely Result of a Mass Extinction

Multiple Choice

Which is a likely result of a mass extinction?

A) The creation of "empty niche spaces," which can stimulate radiation of surviving groups.
B) The elimination of non-beneficial alleles from gene pools.
C) The increase in the rate of new mutations in remaining species.
D) The decrease in the rate of new mutations in remaining species.
E) The introduction of mutations that have a greater than usual effect.