You are presented with the question "What species of female mammal lacks a uterus and vagina?" and the following answer choices: 
- fallopian tubes
 - echidna
 - live birth
 - lays eggs
 - cows
 - tortoises
 - 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       