d inosaurs were massive reptiles which predate humans by millions to hundreds of millions of years....

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