Monotremes are mammals that reproduce by laying eggs, and examples of monotremes are the Platypus and Echidna. Given these facts, echidnas reproduce how among 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   