Introduction

Chapter 1. Endangered Coral Reefs Die as Ocean Temperatures Rise and Water Turns Acidic

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Endangered Coral Reefs Die as Ocean Temperatures Rise and Water Turns Acidic (Dec. 5, 2012)

Synopsis

In addition to negative consequences caused by overfishing and pollution, coral reefs face another major existential threat: increased acidity from warming oceans. Hari Sreenivasan reports from Florida about the dire outlook for coral reefs, as well as efforts and research to try and save them.

Source: PBS NewsHour

Length: 6:44

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Instructions

Watch the video and answer the following questions:

1.

During the past 2-3 decades, there have been obvious losses of coral reefs.

A.
B.

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2.

Coral reef ecosystems have relatively very high levels of biodiversity.

A.
B.

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3.

Coral Reef ecosystems are threatened with which of the following?

A.
B.
C.
D.

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4.

Coral Bleaching occurs when

A.
B.
C.
D.

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5.

Coral reefs are dying due to in large part to

A.
B.
C.
D.

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6.

Increased acidity (as indicated by a decrease in pH) of ocean water is caused by

A.
B.
C.
D.

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