The remains of animals and plants which have been preserved in rocks are known as?

The remains of animals and plants which have been preserved in rocks are known as fossils. Fossils are the preserved remains or traces of animals, plants, and other organisms from the past. They can be found in a variety of rock types, including sedimentary, metamorphic, and igneous rocks. Fossils provide important evidence about the history of life on Earth, including the evolution of species, the relationships between different organisms, and the ancient environments in which they lived.