The invisible overlords on earth all have super survival abilities

If the Earth is likened to a huge dynasty, then humans are definitely not the first rulers of the Earth. 65 million years ago, the rulers of the planet beneath our feet were creatures called dinosaurs.

Dinosaurs existed on Earth for hundreds of millions of years. During this long period of time, many incredible creatures have appeared. However, compared with the overlord dinosaurs, they are still inferior. Unfortunately, dinosaurs seem to have disappeared without a trace in a very short time, leaving only piles of fossils.

Up to now, many scientists are still studying the secret of the disappearance of dinosaurs. Some say that it was because a comet hit the earth, causing a great change in the earth's ecological environment. The dinosaurs had no way to adapt to the surrounding ecology in a short period of time, so they suffered an unprecedented mass extinction.

Back to today, humans are known as the most powerful rulers on Earth, but this is only a superficial phenomenon. To some extent, there are creatures on Earth that are more terrifying than humans.

The immortal jellyfish is an unexpected change of the laws of nature.

According to scientists' calculations, if all conditions permit, the longest life span of human beings is no more than 167 years. However, so far, no one has reached this ideal state. Compared with ancient times, the life span of human beings has been greatly improved, but they only stay in the world for 70 to 80 years. In these 70 to 80 years, various accidents will occur. But for the Turritopsis dohrnii, life is almost infinite.

The Turritopsis dohrnii has a very special ability, which is to achieve reverse growth. Under normal circumstances, the Turritopsis dohrnii in the polyp state has neither killing power nor the ability to protect itself. However, as the body size continues to change, once the Turritopsis dohrnii matures, it will face two choices. One choice is to reproduce with the opposite sex. Out of biological instinct, reproducing offspring is always the most important thing for a creature, and the second choice facing the Turritopsis dohrnii is to return to the polyp.

That is to say, after reaching sexual maturity, the Turritopsis dohrnii can choose to return to its childhood and grow up again. Theoretically, after reaching sexual maturity, if the Turritopsis dohrnii cannot find a suitable opposite sex to reproduce with and thus returns to the polyp state, it can repeat this cycle indefinitely. In human terms, the Turritopsis dohrnii can rejuvenate indefinitely, so its lifespan is close to infinity, but this does not mean that it has strong survivability.

Perfect evolutionary structure, ancient witness, horseshoe crab

Horseshoe crab is a very peculiar creature. If we count the time when it appeared, it has been more than 400 million years since today. According to the fossils discovered by scientists, horseshoe crabs have existed on the earth as early as the trilobite period, and their current form has not changed much. It is no exaggeration to say that horseshoe crabs are destined to have the most perfect evolutionary structure in nature from the moment they were born. Just imagine that for 400 million years, there is no trace of evolution in the whole body. You can imagine what kind of privileges such a creature has in nature?

However, although horseshoe crabs have a unique advantage in evolution, their reproductive ability is not very strong. A female horseshoe crab can lay more than 90,000 eggs each time, but only about 10 of them can grow into adults. However, even so, horseshoe crabs have almost no natural enemies in the entire nature over the long years.

The hard shell and sharp claws are its extremely advantageous weapons. Unfortunately, this ultimate form in the history of evolution is about to be killed by humans. Because the blue blood in the horseshoe crab has extremely effective medical value. In addition, it tastes quite delicious. Currently, there are only 4 species of horseshoe crabs left on the earth, and they are already protected animals.

The most alternative overlord, suspected to be an alien creature, the octopus

When it comes to octopuses, many people may not feel unfamiliar with them, because they are very common in life. In addition, octopuses have appeared many times in many film and television works. But most people may not know that many people are speculating that octopuses may not be creatures from Earth? It came to Earth with a meteorite 500 million years ago, and then after a long period of adaptation, it finally developed into what it is now. So what is the basis for this statement?

Octopuses have a body structure that is completely different from all creatures on Earth. First, octopuses have three hearts, one of which is the main heart and the other two are secondary hearts. All three hearts can work in an orderly manner without interfering with each other. Secondly, octopuses also have two memory systems. In other words, octopuses have two brains. One brain is responsible for maintaining all aspects of the body, and the other brain is responsible for responding to the environment, such as encountering dangers and predation in the ocean. Third, the most peculiar thing about octopuses is that each of their tentacles is completely independent and does not need brain control at all.

Finally, the octopus has an extremely high IQ. Although it cannot be compared with humans, its IQ is definitely in the top 3 in the entire natural world. According to scientists, the IQ of an octopus can reach the level of a 6 or 7-year-old child. It can distinguish many things in the human world very clearly and even simply understand some human behaviors.

It is precisely because of the completely different body structure of the octopus that many people think that it is not a creature on Earth at all, but rather a feature of alien creatures. But regardless of whether the octopus is from Earth or not, its strong survival ability and unique body structure are enough to make it one of the perfect creatures on Earth.

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