A) Prthotheria
B) Metharia
C) Eutheria
D) Theria
Correct Answer: A
Solution :
Prototherians are the primitive mammals. They are connecting link between reptiles and mammals. In these, mammary glands are without teats e.g., Tachyglossus, Ornithorhynehus.You need to login to perform this action.
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