The animals have come very late in the world!

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Various studies have shown that the incidence of organisms evaporates from life or the separation of life from the organism occurs almost 600 million years ago. We know the difference between plants and animals. Animals depend on oxygen. And so it was thought to be the reason for the sudden emergence of such oxygen-dependent organisms that there was enough abundance of oxygen at that time. That is, the abundance of oxygen needed to survive at that time was considered to be a major reason for the emergence of the organism. But a recent study crumbled our idea. It says the oxygen needed for the survival of the organism has come to the world 1.4 billion years ago! Astonishingly So why is it so late for the advent of animals on earth?

2.3 billion years ago, the amount of oxygen in the world was today, 0.001 percent or 1.3 percent of the oxygen in the world today. And that oxygen was more than 20 percent or more than 5 percent of the amount of oxygen that was today 550 million years ago. This amount of oxygen is sufficient for large animals. But what happened between this 2.3 billion and 550 million years is still a bit confused. However, research suggests that for the survival of primary animals like marine sponges, oxygen is less than 1 percent or less oxygen of the current world.

Some researchers used to think that oxygen levels in the Neoprotorezic period (1 billion to 542 million years ago) have increased significantly in the world. And so at this time the animals emerge.

However, a team led by Donald Canfield of Shuichang Zhang of the China National Petroleum Corporation and Donald Canfield of the University of Southern Denmark, analyzed the chemicals in the 1.4-billion-year-old sedimentary metals derived from the Beijing-based Jiangming formation. This sample was suppressed in the lowest oxygen area or the Oxygen minimum zone. Then they started the oxygen cycle there.

The scientists who found this study were completely unexpected. It was found that 1.4 billion years ago the amount of oxygen was not 1 percent, but was up 3.8 percent. That is, 600 million years ago, the amount of oxygen required to survive animals was available 1.4 billion years ago. The study has been published in the Proceedings of the National Academy of Sciences Journal. So despite the abundance of oxygen reserves, why is it so late? Joint writer of the study Emma Hammarlund replied, "The sudden disappearance of animals from animals is probably not just the oxygen, but the result of some more elements. And probably as we thought earlier, the growth of oxygen is not so much involved with the emergence of animals. "

Whatever the reasons or reasons, we can say that when a question arises, we can swap that the researchers will not sleep in the eyes of the people until they find the answer. And we also wait for the new interpretation to hear.