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QUESTION
What vertebrate class conceives their young within the reproductive tract of the mother and, after birth, nourishes them with milk produced by mammary glands? A) Aves B) Amphibia C) Reptilia D) Mam
What vertebrate class conceives their young within the reproductive tract of the mother and, after birth, nourishes them with milk produced by mammary glands?
A) Aves
B) Amphibia
C) Reptilia
D) Mammilia
