Without the balance provided by whales, other species may propagate and overtake other, weaker marine life. What at first may seem a boon for the fish species on which whales feed, it will ultimately lead to their downfall.
+Read MoreMusician Jack Johnson started the Wave for Change conservation social media campaign just in time for World Oceans Day this year. The Hawaii-based performer is asking people around the world to do something for the ocean – cut down on plastics, use more renewable energy and spread the word that the oceans need our help.
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