Mammary glands are without teats or nipples in:

Question

Mammary glands are without teats or nipples in: (A) Protheria (B) Eutheria (C) Metatheria (D) Pantotheria

Tardigrade Admin · Accepted Answer

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.

Q. Mammary glands are without teats or nipples in:

Protheria

Eutheria

Metatheria

Pantotheria

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.