A) Protheria
B) Eutheria
C) Metatheria
D) Pantotheria
Correct Answer: A
Solution :
Prototheria is a subclass of Mammalia. It includes most primitive and oviparous mammals. In these, mammary glands are without teats or nipples e.g., Omithorhynchus, Tachyglossus.You need to login to perform this action.
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