Mega-shark extinction linked to whales' current size

Mega-Shark Extinction Linked To Whales' Current Size
Mega-Shark Extinction Linked To Whales' Current Size


A giant shark that was known as a megalodon use to terrorize the underwater world. Although the enormous sharks didn't make the evolutionary cut, researchers believe they still had a big impact on the world today. It is now believed that the extinction of the megalodon may have been an important factor that allowed some whales to get so big.

Related: Shark Week



More on AOL:
Why wild cheetah populations are declining
Possible evidence global warming has slowed
How nose cells helped a man walk again