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

Fact 2: Monotremes include the duckbill platypus.

Given the two facts above, answer the question "A duckbill platypus is a mammal that reproduces how?" with the following options: 
- asexually
 - during the day
 - by cloning
 - spread flower seeds
 - They have thick fur
 - by laying eggs
 - with their fur
 - swans


 

      by laying eggs   