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Did you know that without the appearance of humans, the horse species would have been extinct long ago?
This is not alarmist, but genuine scientific research.
According to archaeological research, the earliest horse appeared 55 million years ago, and the earliest human is currently estimated to be only more than 7 million years old.
Horses are known as "odd hoofs" in the animal discipline, and animals of this subject were very popular and varied during that period.
But after that, an event happened on Earth that gradually changed the fate of the ungulate and the ecology of the whole world.
In the theory of continental drift, the ancient Tethyshiin Indian subcontinent collided with and merged with the Eurasian continent after a long drift.
After that, the two continents began to squeeze at the place of collision, eventually pushing the place of impact higher and higher.
As a result, the Tibetan Plateau and the Himalayas, which are now formed, emerged.
Because after the uplift of the seabed of Tethys, a large amount of carbon dioxide was consumed, forming something called carbonate, which caused the carbon dioxide in the atmosphere to decline year by year.
This led to the fact that when plants were photosynthesizing, they began to differentiate differently.
In the evolution of this environment, C4 plants, mainly grasses, became popular.
Then the problem arises, the emergence of new types of plants, which means that the internal plant fibers have also changed, and these have also caused a huge impact on herbivores.
Some animals are able to digest this new plant, while others have difficulty digesting this new type of plant that has begun to gain popularity, or can only absorb a small part of the nutrients into the body.
Unfortunately, horses and ungulates fall into the latter category and are not well digested by this C4 plant.
Artiodactyls, on the other hand, are more adaptable, and they begin to absorb the nutrients of this C4 plant quickly, relying on this ability to quickly grow their ranks.
What animals are artiodactyls? Just look at which animals are more common at this stage, such as pigs and cows.
In particular, the animals of the suborder Ruminant have adapted to the new natural environment faster because of the existence of the black technology of "rumination".
Based on this, the population of horses began to gradually decrease.
Without humans, horses would have evolved into a small race of animals, or even been eliminated or disappeared.
However, the emergence of humans saved the horse animal.
After humans open their minds, they light up a "skill point" - "domesticated animals".
Cattle were domesticated to plough the land, wolves were domesticated to become dogs to care for the house, pigs were domesticated to ensure our meat, and then one day, humans discovered that horses can also be domesticated.
Humans have discovered that horses are animals that can run fast and can be domesticated, and they only need to eat some forage to gallop at a very fast speed, which can greatly increase the speed of travel and reduce the distance.
As a result, humans rode on horseback, and horses became the means of transportation for ancient humans.
Then, human beings found that with the speed and impact of horses, it would cause great damage and deterrence to the traditional infantry, and once the number was raised, it would form a battle, and it would be an army with explosive combat effectiveness.
So, they gave this army a name - cavalry.
For more than 2,000 years, horses have become an indispensable part of human warfare, and even with the development of science and technology, in some countries, the establishment of cavalry is still preserved.
Relying on the domestication and breeding of humans, horses, an animal that may be extinct, will live more and more nourishing after thousands of years.
And with its own advantages, the horse has become a rare "noble" animal among contemporary animals.
Chickens, ducks, cows, sheep and pigs are inevitably used as food by humans, but few people eat horses, and horses not only avoid the human table, but also enjoy the love and exquisite care of humans.
Most horses integrated into human society are treated as pets, carefully fed, and have smooth hair.
And their price is expensive, often tens of thousands, hundreds of thousands of horses, which also shows their nobility.