Life on Earth was much older According to the new estimates, the so-called last universal common ancestor (LUCA), who was the ancestor of all contemporary organisms on Earth — from bacteria to humans, lived more than four billion years ago. Upstairs It is found out thanks to a new approach to defining the time of existence of LUCA, who invited scientists from the UK. According to previous estimates LUCA lived 3.5 to 3.8 billion years ago. The results presented in the journal Nature Ecology & Evolution. The newsFound the leg, which left the largest of the famous dinosaur footprints Paleontologists have been trying to establish when our planet life appeared. However, in the fossil record to recover its history is impossible, since such finds are rare and only fragmentary cover the tree of life. “There are some fossils of the Archean period (he started 4 billion years ago and ended
