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BioBeyond - History Repeats Itself, With a Twist correctly answered to pass
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BioBeyond - History Repeats Itself, With a Twist correctly answered to pass
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BioBeyond - History Repeats Itself, Witha Twist
Click on each eon of Earth's history on the timeline above to view the dominant lifeforms, then
characterize what you see. - correct answer ✔✔Unknown
microscopic
microscopic
macroscopic
In this lesson, you'll explore the changes that took place during the PETM. Why do you think exploring
these changes is important for understanding the effects of climate change today? - correct answer
✔✔The PETM was the last rapid warming event on Earth. By exploring what happened then, we can get
an idea about what can happen to our Earth today if it continues to get warmer.
Look at the world of the Paleocene-Eocene. How similar would you say it is to today's world? - correct
answer ✔✔75% the same
What is the general surface temperature trend from the late Paleocene (~59 million years ago) to the
early Eocene (~51 million years ago)? - correct answer ✔✔Increasing
What was the average global surface temperature at 59 million years ago (round to the nearest degree)?
- correct answer ✔✔23°C
What was the average global surface temperature at 51 million years ago (round to the nearest degree)?
- correct answer ✔✔28°C
What was the rate of temperature change during this period in time? To find the rate, divide the
temperature change by 8 million years, then multiply by 100. Enter your number as a decimal. - correct
answer ✔✔0.00005°C/century
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