Question

The ________ division of the geologic time scale is an era of the Phanerozoic Eon.

A) Paleocene
B) Paleozoic
C) Permian
D) Proterozoic

Answer 1

The Paleozoic era is the correct division of the geologic time scale for the era of the Phanerozoic Eon.

Step-by-step explanation:

The correct answer is B) Paleozoic.

The Paleozoic era is the earliest of the three geologic eras of the Phanerozoic Eon. It lasted from 541 to 252 million years ago, making it the longest era in the Phanerozoic Eon. The Paleozoic era is characterized by significant events such as the Cambrian explosion, when there was a rapid diversification of animal life, and the Permian extinction, which was the largest mass extinction event in Earth's history.