Why are sharks crucial to the ocean and planet? How long have sharks been swimming on this planet?

Answer
Sharks have been swimming on this planet for over 400,000,000 years and help to keep the ocean’s ecosystem in balance.

Sharks have been on top of the ocean’s food chain for all of that time and keep marine life in a healthy, regulated balance. By helping to keep the ocean healthy, they are protecting a resource that produces more oxygen than all of the rainforests combined, removes half of the atmosphere’s manmade carbon monoxide, and controls our planet’s temperature and weather.


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Why are sharks crucial to the ocean and planet? How long have sharks been swimming on this planet?
Why are sharks crucial to the ocean and planet? How long have sharks been swimming on this planet?
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