Sharks and their ecosystems

The oceans are the most important ecosystem on the planet. Covering 70+ % of the earth’s surface, they are home to 80% of life on earth, are 90% of the habitable space on earth, and produce at least half of the oxygen in the air we breathe. The oceans regulate our climate, and the concentration of gasses in the atmosphere. Sharks have been an integral part of this ecosystem for more than 400 million years. Removing sharks interferes with the complex natural balance we depend on for survival. 

Sharks and their ecosystems
Sharks and their ecosystems
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