You are presented with the question "what females lack a uterus and vagina?" and the following answer choices: 
- alveoli
 - echidna
 - cows
 - women
 - dogs
 - ligt
 - alpacas
 - goats

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


 

  echidna       