Question

1. extinction in evolutionary context represents: a complete failure of species a natural part of continuous species replacement an unnatural phenomenon the end of all evolutionary processes

Explanation:

In evolutionary biology, extinction is a natural part of the continuous process of species replacement. It is not an indication of a complete failure as it is a normal outcome in the long - term evolution. It is also not an unnatural phenomenon nor does it mark the end of all evolutionary processes. New species can still evolve after extinctions.

Answer:

B. A natural part of continuous species replacement