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Corals, sponges, and algae are the major components of most coral reef communities as shown in this picture.
overview

Corals and Coral Reefs

 Coral reefs are the most diverse of all marine ecosystems. They teem with life,...
Japanese scientists videotaped this female giant squid, alive, at the water's surface
overview

Giant Squid

 Giant squid live up to their name: the largest giant squid ever recorded by...
On average, Arctic sea ice has decreased by four percent per decade since the late 1970s.
overview

Sea Level Rise

 The ocean never stops moving. When you visit the beach, waves roll in and recede...
A shell placed in seawater with increased acidity slowly dissolves over 45 days.
overview

Ocean Acidification

 Ocean acidification is sometimes called “climate change’s equally evil twin,”...
A photo of a squid using bioluminescence to hide in the deep sea.
overview

Bioluminescence

 You may have seen the sparkle of fireflies on a summer’s night. The fireflies...
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Two nurse sharks hover over a baited cage
Lesson Plan

Biomes: Wild Arctic

 This lesson investigates how sea ice is critical to the plants and animals that...
Tue, 07/19/2011 - 16:03
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Two nurse sharks hover over a baited cage
Lesson Plan

Corrosion to Corals

 Students will be able to describe galvanic exchange and explain how this process...
Mon, 11/30/2009 - 18:40
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