Question

1. which time period is called the \age of mammals?\ paleozoic era early imbrian era cenozoic era mesozoic era

Explanation:

The Cenozoic Era is known as the "Age of Mammals" because mammals became the dominant land animals after the extinction of non - avian dinosaurs at the end of the Mesozoic Era. During this era, mammals diversified and evolved into many different forms to fill various ecological niches.

Answer:

C. Cenozoic Era