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The Deep Sea: Although these cold, deep and dark areas of the ocean may appear inhospitable, scientists are realizing that they support a wide variety of marine life. These are also important areas to study, as 80% of the ocean consists of waters greater than 1,000 meters in depth.


There are layers upon layers of marine life in the sea, from surface dwellers to deep-sea life over 5000 meters (16,000 ft) down. And at night, it’s the setting for the largest migration in the world—over 5,000 species comprising millions of sea creatures surge up from the deep to feed, then return to the bottom before dawn.


Sea science: 7 bizarre facts about the ocean. By Kacey Deamer - Staff Writer 08 June 2016. ... Though 94 percent of life on Earth is aquatic, about two-thirds of all marine life remains ...


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Here are 30 Interesting Facts About Seas and Oceans. 1-5 Interesting Facts About Seas and Oceans 1. The area that is now the Mediterranean Sea was once dry, but about 5 million years ago the Atlantic. PicFacts. PicFacts(1-500) PicFacts(501-1000) PicFacts(1001-1500) PicFacts(1501-2000)


Interesting Ocean Animals Facts: Approximately 72% of the surface of the planet is covered by salt water. It is believed that life in the ocean began approximately 3.1 to 3.4 billion years ago. It is believed that life on land began approximately 400 million years ago.


Sea turtles are protected under the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) but still illegally hunted in areas such as Costa Rica. Although many shark populations are threatened, illegal fishing still occurs, especially in areas where shark finning persists, such as in the Galapagos Islands.


Yet life thrives there far more diverse and numerous than anywhere else on Earth. The extreme conditions of deep sea have led to extreme evolution and bizarre characteristics. Here are some facts about deep-sea creatures that illustrate the strangeness of life at extreme depths.


11 facts you need to know The ocean is the origin and the engine of all life on this planet — and it is under threat. A big part of the problem: pollution. ... When dumped at sea in large amounts, agricultural nutrients such as nitrogen can stimulate the explosive growth of algae. When the algae decomposes, oxygen in the surrounding waters is ...


But these powerful expanses of sea are not invincible. Each year, human activity erodes marine life in some way. Overfishing is driving many fish populations to the brink of extinction, carbon emissions are acidifying the waters, making it hard for small sea animals to reproduce, rising global temperatures are cooking coral reefs alive.