Older than dinosaurs and trees, sharks have endured a lot throughout their 450 million years on Earth. They've even survived five mass extinctions, including the asteroid that wiped out 75% of life on the planet. But many species of these aquatic apex predators are now in danger of dying out forever.
from CNN.com - RSS Channel - US Older than dinosaurs and trees, sharks have endured a lot throughout their 450 million years on Earth. They've even survived five mass extinctions, including the asteroid that wiped out 75% of life on the planet. But many species of these aquatic apex predators are now in danger of dying out forever. https://ift.tt/IvT3x0e https://ift.tt/Ib7SmfG
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