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Monotreme - Wikipedia
Monotreme | Definition, Characteristics, Reproduction, Examples ...
Monotreme - Definition, List, Examples, Characteristics, & Picture
Overview of the Animals Called Monotremes - ThoughtCo
Extreme Monotremes: Why Do Egg-Laying Mammals Still Exist?
Monotremes: Incredible Mammals Who Lay Shelled Eggs
12.31: Monotremes - Biology LibreTexts
What is a monotreme? - The Australian Museum
University of California Museum of Paleontology
monotreme - Students | Britannica Kids | Homework Help