Fact 1: An animal requires stamina to succeed at physical activities.

Fact 2: Males of most species of animals are generally more energetic and have more stamina than females.

Given the two facts above, answer the question "what are males more than females?" with the following options: 
- monotremes
 - insects
 - some mammals
 - haploid
 - platypus
 - bullfrogs
 - tunicates
 - energetic


 

        energetic 