Tyrannosaurus Rexs live up to their reputation as one of the most fearsome animals of all history. Its powerful jaws had 60 teeth, each one up to 20cm or 8 inches long and its bite was around 3 times as powerful than a lion's. Tyrannosaurus could crunch through bone as shown in bite marks found on Triceratops and Edmontosaurus fossil bones.
Green turtles are one of the largest sea turtles and the only herbivore among the different species. They are found mainly in tropical and subtropical waters. Green turtles graze on seagrasses and algae, which maintains the seagrass beds and makes them more productive similar to moving grass.