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
What was the average global surface temperature at 51 million years ago (round to the nearest degree)?
- correct answer ✔✔27
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
What was the average deep sea temperature before the PETM (round to the nearest degree)? - correct
answer ✔✔8
What was the deep sea temperature at the peak of the PETM (round to the nearest degree)? - correct
answer ✔✔14
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller BravelRadon. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.