Beijing, July 27 (Liu Huan) – recently, IUCN (hereinafter referred to as IUCN) updated the red list of species, and the Yangtze River white sturgeon, a rare animal unique to China, was officially declared extinct. Once the news was released, it triggered a heated debate.
Among the eight planets in the solar system, the earth should have been a very common rock object. There are three such planets in the solar system, mercury, Venus and Mars. However, the special feature of the earth lies in the birth of life.
Scientists found that the main cause of the mass extinction of terrestrial life 250million years ago may be “sulfuric acid rain”
There are mainly the following theories:1. Theory of continental drift:geological research has proved that in the dinosaur era, there was only one continent on the earth, namely”panga”. Due to the change of the crust, the continent experienced a major division and drift in the Jurassic period, which eventually led to the change of environment and climate and the extinction of dinosaurs.
The evolution of life on earth has experienced large and small extinction events in the past hundreds of millions of years. Of the 4 billion species known to have evolved, 99%have disappeared in the past 3.5 billion years. The extinction events as a whole fluctuate, but they are in a certain balance.
Research: uncontrolled greenhouse gas emissions will lead to the mass extinction of marine life
Mammals with larger brains are more likely to survive the extinction in the late Quaternary
Of course, in terms of our short life span, this evolutionary process is too long to imagine how our ancestors survived such a long time.
Scientists believe that it may not be possible to revive mammoths and other extinct animals
New research reveals more details about the devastating asteroids that hit the earth