Don't let Jaws ruin your perception of sharks! Through their evolution, sharks have shaped our oceans into the rich habitats we know today. As apex predators (animals that are at the top of the food chain), sharks play an important role in the ecosystem and help keep the ocean and fish populations healthy. Discover our favourite facts about these ocean creatures.
I heard this on The Infinite Monkey Cage yesterday and had to look it up and share.
Well, yeah. Life began in the oceans and sharks were one of the first fishes. Land organisms evolved much later.