You are presented with the question "what females lack a uterus and vagina?" and the following answer choices: 
- penis
 - acetic acid
 - dogs
 - platypus
 - ligt
 - graptolites
 - alpacas
 - humans

Now knowing that female monotremes lack a uterus and vagina and examples of monotremes are the Platypus and Echidna, choose the best answer.


 

    platypus     