What was a Dinosaurs Lifespan?
the lifespan of a dinosaur? Before I go any further, I need to remind you that I am no paleontologist (scientist who studies fossils and other remains of prehistoric animals), just a dinosaur fan who never outgrew his love for the ancient beasts. This is a particularly tricky dinosaur question. Paleontologists used to associate the dinosaur’s size with growth rates for living animals to determine the lifespan. That posed a problem for the lifespan of a really enormous dinosaur, because we have no way of determining how long it would take to grow that large. Paleontologists have recently discovered that fossils of dinosaur bones show growth lines, like the growth rings of trees, and they are using this new evidence to determine the lifespan of dinosaurs. Paleontologists have found two different kinds of growth lines in dinosaur fossils. One was laid down in the regular growth of the bone, while the other, thinner kind represents times of no growth. Similar lines are found in the bones o
