What are tedrils?

Why did dinosaurs disappear from earth? How do you breed dragons to make baby dragons in DragonVale? Is there a concrete evidence that dinosaurs doesnt exist? What is nightmare rex's special move? What are reasons for dinosaurs disappearance? What does the name maisa mean? Why do dragons have big butts? What animal is bigger than the dinosaur? Animal lived before dinosaurs? Were dinosaurs or birds the first beings? How long is seismosaurus? Are there dinosaurs in Russia? How many eggs did a Deinonychus lay? What is the desolation of the dragon like? Who were the enemy of iguanodon? How do you beat Dialga in PMD explorers of time with a piplup and treecko? Who would win Mapusaurus or Giganotosaurus? How did one meteor kill whole bunch of dinosaurs? How do you use the word din in a sentence? Did apple trees exist in dinosaur times?