The Sixth Extinction - Chapters VII - VIII Summary & Analysis

Elizabeth Kolbert
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Summary

Ulf Riebesell, a biological oceanographer, believes that one result of the acidification of the ocean is that there will be less diversity – fewer animals will survive. Ocean acidification played a role in at least two of the Big Extinctions. Ocean acidification damages the nutrients of marine animals and it impacts the bodily functions and systems. It will also change the way light is filtered through the water and they way sound is reproduced. The marine animals most affected by acidification are calcifiers which include star fish, sea urchins and animals that build a shell or external skeleton. Geologists believe that the vents have been spewing gas bubbles for several hundred years.

One-third of the CO2 that has been pumped into the air has been absorbed by the ocean which is 150 billion metric tons. The speed at which carbon is being absorbed...

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This section contains 1,168 words
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Buy The Sixth Extinction Study Guide
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