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Which set of features belongs only to mammals? | StemPy Lab
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Which set of features belongs only to mammals?
Biology
Easy
High School (11–12)
Diversity of Living Organisms › Chordates and Vertebrates
A-Level
Board Exam
IB
Created by
StemPy Lab
Which set of features belongs only to mammals?
Mammary glands, hair and external ears
Feathers, a beak and air sacs
Dry skin with epidermal scales
Gills under an operculum
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