Question

PLS HELP FAST I HAVE 5MINS LEFT!!!! what is the most important era in which mammals appeared ?

Cenozoic
Mesozoic
Paleozoic
Precambrian

Answer 1

Answer:

Cenozoic was the most important era in which mammals appeared.

Answer 2

Answer:

Most important era in which mammals appeared is the Cenozoic era.

Explanation:

• The Cenozoic era is also known as the Age of Mammals.
• It is also the Earth's current geological era, representing the last 66 million years of Earth's history.
• Early mammals in the Cenozoic Era were quite large.
• 3 facts about Cenozoic Era are:

1. Beavers were as long as 7 feet
2. Birds were as tall as 7 feet
3. Sloths grew to the size of our current elephants.