Living fossil is a kind of organism that has not evolved in the long historical evolution process, and its growth process has not been separated, and it still exists tenaciously until now. Because these creatures are like recorders on the earth, which provide great help for scientists' research.
Ginkgo tree is also called white fruit tree. Before 270 million years ago, ginkgo had appeared, and then most of Ginkgo became extinct like dinosaurs. Only a little bit of Ginkgo was preserved in some parts of China, which is called "living fossil" and "Panda" in plants.
Metasequoia, which first appeared in the Cretaceous of Mesozoic, is a precious relic plant that has experienced the Holocaust of Quaternary glaciers.
