Displaying items by tag: dinosaurs
Save Land/Save Ourselves
Over the past 544 million years, Earth's had five major extinction events. A major extinction is one where between 70% and 90% of all species on the planet are lost – never to be seen again. Each of the five was caused by a cataclysmic event – like the meteor that killed the dinosaurs when it slammed into the Yucatan peninsula 65 million years ago.