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 "Echidnas reproduce how?" with the following options: 
- asexually
 - by indirect light
 - spread flower seeds
 - during the day
 - by birthing live young
 - by laying eggs
 - by budding
 - with their fur


 

      by laying eggs   