What Is Life? 2nd Edition by Jay Phelan

Exercise 54

The "ghost of competition past" refers to the fact that:
A) competition often leads to character displacement, which remains even after direct competition is reduced.
B) competition cannot be seen in nature.
C) competition inevitably leads to the extinction of one of the competitors.
D) competition inevitably leads to the extinction of both competitors.
E) the fossil record is a record of competitive interactions.