in which era did mammals emerge?\no cenozoic\no mesozoic\no paleozoic\no precambrian
in which era did mammals emerge?\no cenozoic\no mesozoic\no paleozoic\no precambrian
Answer
Brief Explanations:
Mammals first appeared during the Mesozoic era. The Cenozoic is known for the dominance of mammals, but they emerged earlier. The Paleozoic predates the appearance of mammals. The Precambrian is even earlier and long - before the evolution of mammals.
Answer:
Mesozoic