What Happened to the Dinosaurs? This passage is organized using

I'd need more information to answer the question, but i'll try my best. Don't hold me to this answer because I don't really have enough to base my answer on. If the question is, "What happened to the Dinosaurs" then I would say a meteor hit the earth with such force that it killed off the population. But if your passage says something different than this, I wouldn't use my answer.