Extinction is inevitable when a species is no longer able to adapt to the pressure of natural selection. A species disappeared, another species appeared instead.
During the five epochs that lasted 500 million years, scientists estimated that there were about 50-90% of all species that had to suffer from being wiped out entirely on the ground.
The most famous extinction is probably the extinction of dinosaurs that took place 65 million years ago. This event takes place immediately after a giant meteor crashed directly into the Earth, eradicating the dinosaurs along with more than 50% of other organisms coming out of the ground.
The Permian extinction - the Triassic period erased nearly 90% of life on Earth.
BUT, that is not the most terrible extinction in Earth's history. Long before the dinosaurs appeared, the Permian extinction - the Triassic period erased nearly 90% of life on Earth. The scientific community is still controversial about the cause of this terrible disaster. Many believe that the culprit is also a mysterious meteorite, like the catastrophe that the dinosaur descendants endure. Others argue that mass volcanic activities are the main cause. CO 2 and Methane gas, products from these volcanic eruptions, are likely to cause ocean acidification, causing an increase in Earth's temperature. The abrupt change in the living environment has led many species to fall into the habitat.
By 2014, scientists at the University of Massachusetts had studied this hypothesis in depth, and they thought that the creature called Methanosarcina was the main culprit. As creatures capable of producing large quantities of methane, they multiply in bulk due to the amount of nitrogen produced by volcanic eruptions. When nickel enters the wind and sea water from there to travel around the Earth, this is also the time when this creature spreads. They produce an enormous amount of methane, while destroying oxygen in the atmosphere. Other species that die in mass, and their decomposed bodies, are a great source of nutrients to nourish Methanosarcina to continue to grow.
The most famous extinction is probably the extinction of the dinosaurs.
This hypothesis does not receive full consensus from the scientific community. Obviously, it is hard to believe that only a single creature can possess the power to destroy up to 90% of the rest of the species. Many argue that this terrible demise comes from a combination of all the above causes: meteorite collisions, volcanic eruptions and overproduction of organisms that produce methane.
The scientific community is still researching to hope for a satisfactory answer. It is also the key to preventing a similar disaster from happening in the future.