Carbon dating used on living animal
However, radioisotope dating may not work so well in the future.
When the organisms die, they stop incorporating new C-14, and the old C-14 starts to decay back into N-14 by emitting beta particles.
Fossils are found all over the world and on every continent.
A paleontologist is a scientist that studies fossils.
Fossils are the remains of animals or plants that lived a long time ago.
When we think of fossils, the first things that come to mind are the bones of dinosaurs; but a fossil can be anything.