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Chapter 33

Chapter 33: The Biosphere

What's News Quizzes

Please read this article, Scientists Document Bustling Community Far Below Ocean Floor, and answer the following questions.

1. What proportion of the Earth’s prokaryote biomass may be found below the ocean floor?
2. How deep have prokaryotes been found below the ocean floor?
3. Extremophiles have been found at what estimated temperatures?
4. What does this report imply about where living organisms can be found?

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