Asked by Wendy Thurmond on May 31, 2024
Verified
What defines the boundaries between each of the three eras in the geologic timescale?
A) Two great mass extinctions
B) The age of the Earth divided by three
C) A decision by the Geological Society of America
D) Principles of relative dating
Mass Extinctions
Significant global events in the Earth's history where large percentages of species die out in a relatively short period of time, often due to catastrophic environmental changes.
Geologic Timescale
A method of dating based on the chronological correlation of Earth's geological layers to time, utilized by geologists for depicting the sequence and association of historical events on Earth.
- Familiarize oneself with the process by which major geological events and mass extinctions are chronicled in the geologic timescale.
Verified Answer
Learning Objectives
- Familiarize oneself with the process by which major geological events and mass extinctions are chronicled in the geologic timescale.
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