Fossils (from Classical Latin fossilis; literally, “obtained by digging”) are the preserved remains or traces of animals, plants, and other organisms from the remote past. The totality of fossils, both discovered and undiscovered, and their placement in fossiliferous (fossil-containing) rock formations and sedimentary layers (strata) is known as the fossil record.

There have been five major mass extinctions in history, yet our planet has survived all of them. Even more amazing is that many ancient species, ones that should have died off along with everything else in their time, are still alive and kicking today. Such as the ones in this video, check it out!

Sources:

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