GoNorth! Greenland 2010! CAAG

Module 3 • Ecology: Blue Planet
BackgrActivity ound3-2
Activity Level:
Ocean of Opportunity
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Research Question: What’s the significance of the ocean as a
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Background: Covering more than 71 percent of the world’s - Recognize that there
surface and containing more than 80 percent of the world’s life-forms,
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It’s also the last unexplored place on earth. For the entire history -
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and extracted resources from it—and yet huge tracts of it remain
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One fact we do know is that it plays a vital role in regulating climate
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and in providing the moisture that allows life on earth to thrive. The f
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ocean looms large in earth’s water cycle. As the sun warms its surface,
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liquid once again. Eventually, they fall to earth as rain or snow, leach
- Write a cultural guide to
into the soils to replenish our aquifers, or run off into surface water T
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such as lakes and rivers, and eventually make their way back to the 1–2 45-minute periods
ocean.
Materials:
While this cycle is taking place on the surface of the seas, down
- Teacher Notes 3-2a
below is a multidimensional world of interconnected life-forms.
Scientists divide the ocean into layers based on the amount of sunlight
“Marine Eco-Regions”
penetrating from the surface. Most of what we know and use in the
- Teacher Notes 3-2b
ocean comes from the surface layers. With the advent of underwater
“Test Your Ocean Smarts”
robots, designed to withstand the extreme cold and pressure of the
- Teacher Notes 3-2c
deepest seas, we are slowly uncovering a remarkable universe of sea
“Fishing Yield”
creatures. - Teacher Notes 3-2d
“Marine Resources”
Among them is the Greenlandic shark. These animals grow very slowly
- Teacher Notes 3-2e
(an adaptation to their extremely cold habitat) and live for a long
“Ocean Habitats”
time. The second-largest shark in the world, it can live for hundreds
of years. As with most deep-sea creatures, very little is known about
- Teacher Notes 3-2f
its life cycle. Yet it has been hunted for more than a century, primarily
“Greenland Shark”
- Student Page 3-2a
“Creatures of the Deep”
Additional Resources - Student Page 3-2b
BrainPOP movie, “Ocean Floor” – A brief introduction to life at
“Predator Protector”
the bottom of the ocean.
Vocabulary:
www.geerg.ca The Greenland Shark and Elasmobranch
habitat, eco-region,
Education and Research Group (GEERG) – The mission of this
natural resources, water
organization is to study the Greenland shark to better understand
cycle, molecules, water
and protect it.
vapor, surface water,
http://www.edf.org/documents/5827_FishFactsHealthPros.pdf atmosphere, precipitate,
Prescription: Sustainable Seafood – An overview of the health
aquifer, taxonomy
benefits of seafood and the danger posed by overfishing.
Continued on page 11
PolarHusky.com
© NOMADS Online Classroom Expeditions GoNorth! Greenland 2010 Curriculum 10
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