Answer:
Option C, ensure that mating occurs between members of the same species.
Step-by-step explanation:
Courtship is a special form of behaviour that is performed by both the male and female organism belonging to a common species so that fertilization is established in female organism.
This special behaviour helps the two organism of opposite gender to identify the right mating partner for them.
This essential to ensure that two organism belonging to the same species must mate together in order to produce fertile and viable offspring.
Hence, option C is correct