What are dead zones?

SCI210 Week 3 Disc Task Lesson

Task 3 Dead Zones

What are dead zones? How are they formed? And what effect do they have on aquatic environments? How can dead zones affect humans? What can humans to about the issue?

Activity 1

Watch: https://youtu.be/mUVX5rg1E0I
y Video
Then read Dissolved Oxygen for Fish Production.

Activity 2


Activity 3

Investigate: What is a Dead Zone?

Activity 4

Go to a pet or fish store and make observations about the environment of the tanks in which the fish are located. Make a concept map that shows the causal relationship between the oxygen cycle and dead zones.
Submit your completed concept map.
If you need some help getting started, here are websites that allow you to create a concept map for free:





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What are dead zones


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