Fact 1: Monotremes are mammals that reproduce by laying eggs.

Fact 2: Unlike most mammals, female monotremes have no teats.

Given the two facts above, answer the question "Female monotremes reproduce by laying eggs and have no what?" with the following options: 
- alveoli
 - fusion
 - embryos
 - teats
 - rings
 - pollen
 - food
 - eyes


 

    teats     