Asked by Santiago Saguir on Apr 23, 2024
Verified
The earliest traces of life are found in which geological eon?
A) Archean
B) Hadean
C) Phanerozoic
D) Proterozoic
Geological Eon
A major division of geological time, lasting billions of years, that divides Earth's history into significant phases.
Archean
A geological eon extending from about 4.0 to 2.5 billion years ago, characterized by the formation of the Earth's first stable continental crust.
Hadean
The earliest eon in Earth's history, marked by extreme heat and uninhabitable conditions, spanning from about 4.6 to 4 billion years ago.
- Understand the chronological development of Earth, including the formation of oceans and the emergence of life.
Verified Answer
ZJ
Zykirea Jackson6 days ago
Final Answer :
A
Explanation :
The Archean Eon, which spans from about 4.0 to 2.5 billion years ago, is recognized for having the earliest known and accepted evidence for life on Earth, including microfossils and chemical signatures indicative of life.
Learning Objectives
- Understand the chronological development of Earth, including the formation of oceans and the emergence of life.