DINOSAURS
• DINOSAURS WERE MASSIVE REPTILES WHICH PREDATE HUMANS BY MILLIONS TO HUNDREDS OF MILLIONS OF YEARS.
• THERE WERE THOUSANDS OF SPECIES, SOME CARNIVORE SOME HERBIVORE AND SOME OMNIVORE
• SOME LIVED ON LAND, SOME LIVED IN THE SEA AND SOME HAD THE ABILITY TO FLY.
DESTRUCTION• ROUGHLY 65 MILLION YEARS AGO, A
MASSIVE METEOR FELL TO EARTH
• IT CRASHED NEAR WHAT IS NOW THE YUCATAN PENINSULA OF MEXICO
• THE IMPACT FORMED THE CHICXULUB CRATER
• IT HAS A DIAMETER OF 110 MILES, MAKING IT THE LARGEST IMPACT TO EVER HAPPEN ON EARTH
EXTINCTION
• AN IMPACT OF SUCH SIZE CAUSED A GREAT DEAL OF CHANGES TO OCCUR
• DUST AND ROCK WAS THROWN INTO THE SKY, BLOCKING OUT THE SUN
• SEAS WERE BOILED BY THE SHOCKWAVE FOLLOWED BY WAVES OF FIRE
• ALMOST ALL LIVING CREATURES DIED
AFTERMATH
• DIRT AND DUST FELL BACK TO EARTH CAUSING RAPID CHANGES
• ANIMALS AND BODIES WERE BURIED NEARLY INSTANTLY
• THE EFFECT WAS ALMOST PERFECT PRESERVATION
• MILLIONS OF YEARS CAUSED THE SKELETONS TO FOSSILIZE INTO A ROCK LIKE MATERIAL
EXCAVATION
• TODAY, FOSSILS ARE BEING DISCOVERED REGULARLY
• THE FOSSILS PROVIDE SMALL GLIMPSES INTO THE PAST
• THEY CAN BE STUDIED TO LEARN ABOUT THE PAST
• FOR MORE INFORMATION VISIT NATIONAL GEOGRAPHIC - EXTINCTION