Question

earth & space science
mr. verdi & mr. foote
unit 2 lesson 8
geologic history of new york ws
name:
period:
date:

1. which of the following eons is not a part of earth’s earliest life history or pre life history?

a) phanerozoic
c) precambrian
b) proterozoic
d) archean
1.

1. which of the following is not one of earth’s era?

a) precambrian
c) mesozoic
b) paleozoic
d) cenozoic
2.

1. which fossil organisms are most commonly found in new york state bedrock?

Explanation:

1. For question 1: The Precambrian includes the Archean and Proterozoic, which cover Earth's pre-life and earliest life history. The Phanerozoic is the eon with abundant, complex life, not the earliest/pre-life phase.
2. For question 2: Paleozoic, Mesozoic, and Cenozoic are the three main eras of the Phanerozoic eon. Precambrian is a supereon that encompasses multiple eons, not a single era.

Answer:

1. A) Phanerozoic
2. A) Precambrian