[["Analysis of what's known about the dinosaur leads to conclusion there were 2.5 billion over time.", 930.0], ["The total number of individuals that existed over the lifetime of the species could have been anywhere from 140 million to 42 billion. ", 231.0], ["2.5 billion ", 84.0], ["Given uncertainties in the creatures' generation length, range and how long they roamed, the Berkeley team said the total population could be as little as 140 million or as much as 42 billion with 2.4 billion as the middle value.", 32.0], ["Billions", 0.0]]
how many dinosaurs were on the earth
animals,dinosaurs