Better senses have a positive impact on an animal 's survival, and an antelope has such a fine sense of hearing that it senses danger long in advance. Given these facts, which characteristic helps an antelope survive among the following options:
- exoskeleton
 - poor sense of smell
 - bad manners
 - protective bony armor
 - Endocrine system
 - excellent hearing
 - bad vision
 - Males and females


 

      excellent hearing   