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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332

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BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332
Chapter 16, Problem 3CT
Textbook Problem
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If you think of geologic time spans as minutes, life’s history might be plotted on a clock such as the one shown below. According to this clock, the most recent epoch started in the last 0.1 second before noon. Where does that put you?

Chapter 16, Problem 3CT, If you think of geologic time spans as minutes, lifes history might be plotted on a clock such as

Summary Introduction

To determine: The humans time on Earth on a 24-hour clock.

Concept introduction: All organisms appear different from one another and from their ancestors as a result of evolution. Geological time scale is the total life span on the earth from its origin. It is also called as the calendar of the earth, as they explain the relationships and timing of events that have taken place during the Earth's history. They can relate to the rock layers with the time interval. The events are mainly classified into eons, eras, periods, and epochs. The eras are mainly divided into 4 namely Cenozoic, Mesozoic, Paleozoic, and Archean.

Explanation of Solution

The life history can be plotted on a clock by considering the geologic time span as minutes. In reference to this clock, the most recent epoch started in the last 0.1 second before noon.

While comparing this with that of the human history in a geological time scale which represents t...

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