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

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

Given the two facts above, answer the question "What reproduces by laying eggs?" with the following options: 
- animals
 - dogs
 - insects
 - platypuses
 - mammals
 - gametes
 - chickens
 - humans


 

    platypuses     