Life has been discovered under the 914 meter ice layer in Antarctica, with a life span of 1500 years, refreshing human world outlook

Antarctica is the last continent for human beings to set foot on, and the only continent without human settlement. When it comes to Antarctica, many people will immediately think of the scene of penguins and seals accompanying the sun and moon in the vast expanse of heaven and earth. Once upon a time, Antarctica was indeed a world of ice and snow, and icebergs were closely linked. Now, with global warming, the temperature in Antarctica is rising, and icebergs are melting one after another After the discovery of the unidentified creatures hidden in the Antarctic underground, the human world view has been refreshed.

At the end of the world, Antarctica is also the last pure land on earth

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The beauty of Antarctica comes from the pure nature. Not only is the scenery magnificent, but there is no artificial flavor here. Seals enjoy plenty of sunshine on the ice, whales roam in the ice, and penguins chase each other. In addition, there are many rich marine creatures in Antarctica. For example, in summer, there are colorful lichens on Antarctic rocks, mosses on newly melted wetlands, and the largest land animal, the Antarctic Collembola, whose length is only 10 meters Just two millimeters and so on.

The picture shows the Antarctic Collembola

Due to global warming, some ice shelves on the Antarctic Peninsula have collapsed, and a large number of new life forms have been discovered from Antarctica. So when was Antarctica formed? The formation of Antarctica has to be traced back to the formation of the earth’s land. More than 200 million years ago, the earth’s Antarctica, Africa, South America and other places were connected. 65 million years ago, when the “uninvited guest” hit the earth, the dinosaurs and many kinds of creatures on the earth died out one after another. For this reason, the earth caused earthquakes, volcanic eruptions and other natural disasters. When the solar radiation could not reach the earth, the temperature of the earth began to change dramatically. At this time, many areas gradually formed ice blocks. At that time, it seemed that the whole earth was frozen.

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The Antarctic ice sheet began at the end of Oligocene. Oligocene is the last major stage of the middle Paleogene. It started about 34 million years ago and ended 23 million years ago. At that time, Antarctica was not as cold as we saw. All things grew and flourished, and all kinds of ancient animals multiplied in it. When Africa, Australia and other landmasses drift northward one after another, only Antarctica is “stranded” in the polar region, surrounded by the sea and separated from other continents. When the severe wind and the sudden drop of sea temperature on the Drake Strait completely enveloped Antarctica, the dual environment of internal heat and external cold made the Antarctic organisms suffer a heavy blow. With the temperature getting lower and lower, a large number of Paleontology in Antarctica have died one after another, and only a few marine organisms such as seals and penguins have survived.

Scientists have found signs of unidentified organisms in the Antarctic ice nearly 914 meters thick

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In the earth, Antarctica is the coldest place. The whole Antarctica, including its surroundings, is covered by thick ice. Although some ice has melted with global warming, some areas are still covered by thick ice. Some netizens can’t help but ask: “in such a cold place, do there really exist creatures under its ice?” In a recent scientific study, British researchers have given the answer. British researchers just want to drill on the Antarctic ice shelf to get sediment samples, but they did not expect that in the process of work, when the drilling reached nearly 914 meters, the researchers accidentally found that there were unidentified organisms on the seabed under the ice.

Relevant researchers said: “in any case, their living conditions have broken through human cognition. These microorganisms look like suspended feeders. Later, they found that some organisms are attached to the rocks on the seabed. Interestingly, these organisms do not move around autonomously. From this feature, we can see that they are not photosynthetic plants and are hidden in the ice Deep down, this is where the sun can’t shine. It’s far away from the sun, so they don’t belong to plants. “

So what species are the strange creatures hidden under the ice? After detailed analysis, the researchers believe that they are likely to be sponge, ascidian, Hydra and other organisms that filter plankton in the sea, but it is not clear which classification they belong to. Because of the slow evolution and metabolism of these organisms, British researchers estimate that they can live as long as 1500 years.

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What do these unidentified creatures, hidden in deep ice, feed on?

In our cognition, whether animals or plants, the most basic conditions for survival are the need for nutrients, sunlight, air, water, as well as appropriate temperature and certain living space. So how do these unidentified creatures survive in such a cold Antarctic deep ice, far away from the sun? It has to be said that there are signs of life under the deep Antarctic ice. This discovery has overturned human’s understanding of the world. Researchers are also very curious about what these unidentified creatures actually feed on? From where? How to survive?

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What is certain now is that these organisms have fully adapted to the dark and cold environment. Previously, the immobile fixed organisms on the deep sea bottom depended on the relatively stable food such as “sea snow” to survive. What is ocean snow? The biggest difference between water condensation into ice and snow is that the “Snow” in the ocean is actually debris of organic matter. They fall like snowflakes, so they are called ocean snow. The composition of “ocean snow” is extremely rich. In addition to dead zooplankton, the composition of ocean snow also includes protozoa (such as diatom), bacteria, fecal particles, sediment and dust Soil, etc.

We often say that auspicious snow is a good omen for a good harvest. In the same way, ocean snow also plays an important role in the marine ecosystem. Therefore, scientific researchers believe that these unidentified creatures hide in the deep ice layer of Antarctica and depend on “ocean snow” to survive. However, what goes against the common sense is that ocean snow originally falls vertically, but ocean snow needs to “drift” vertically to float to Antarctica Flow, up to 630 to 1500 km.

If unidentified organisms are found under the deep Antarctic ice, does this kind of life exist in the universe?

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It is worth mentioning that the discovery of unidentified organisms by British researchers under the deep ice in Antarctica has inspired people’s thinking about whether there is life in other stars in the universe, such as Mars, Jupiter, Saturn, Pluto and so on? We all know that water is the source of life, but only water is not enough, the evolution of life still needs enough time. In particular, Jupiter and Pluto, Titan, Triton and other small stars are covered with thick ice. Under the ice, there are deep oceans. Is there such an unknown mysterious biological world and unknown life under these planets? This makes scientists and other ordinary people have to guess, maybe in the future in-depth research can completely reveal the truth.

Generally speaking, Antarctica is covered with ice and snow, which seems desolate and cold. However, mysterious creatures are hidden underground, full of miracles of life. It is hoped that in scientific research, we should not destroy the original vast nature, leave private space for these mysterious creatures, respect life, respect nature, and respect human beings themselves.

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