Fact 1: Female monotremes lack a uterus and vagina.

Fact 2: Examples of monotremes are the Platypus and Echidna.

Given the two facts above, answer the question "what females lack a uterus and vagina?" with the following options: 
- alveoli
 - echidna
 - cows
 - women
 - dogs
 - ligt
 - alpacas
 - goats


 

  echidna       