Fact 1: An animal needs to attract a mate to reproduce.

Fact 2: Some animals attract mates with scent.

Given the two facts above, answer the question "What purpose do some animals have for scent?" with the following options: 
- important habitats
 - exoskeleton
 - sensory neurons
 - reproduction
 - nervous system
 - Something to move
 - critical organs
 - unidirectional


 

    reproduction     