Music The 6 Craziest Extinctions Ever by DDF - April 22, 2015 0 Source Tags: Animals, asapscience, asteroid, carbon dioxide, cartoon, climate change, CO2, Comet, Cretaceous, death, die, dinosaur, Dinosaurs, earth, Earth history, Evolution, Extinct, Extinction, Extinction Rate, fish, Food Chain, Glacier, global warming, Greenhouse Gas, hands, history, Ice Age, insects, Jurassic, life, Mammal, Mass Extinction, mexico, Millions of years, Ocean, Ocean level, Ordovician, Permian, plants, science, species, Stop motion, temperature, Tetrapod, Triassic, volcano, Whiteboard
