The theory of evolution is also called the theory of the evolution of living things and the theory of human evolution.

Before we get into the theory of evolution, let us know a little thing.

Herodotus became the first Greek historian to study history scientifically. He wrote a book called Histories, so he is called the father of history. He is also known as the father of historiography. In Sanskrit he is also called Haridatta. Damodar Dharmanand Kosambi hi is also known as said to be the father of our Indian scientific history.

The theory of evolution

The theory of evolution - The theory of evolution is called the theory of evolution of living things, it is called the theory of human evolution, it is also called the theory of the evolution of the earth. The theory of evolution was put forward by the scientist Charles Darwin. He was greatly assisted by his colleague Alfred Russel Wallace in formulating this theory. The first book, Origin of Species, was published in 1859 by Charles Darwin. In this book, he presented the first part of his theory that the earth was formed 450 billion years ago. When the Earth was formed 450 billion years ago, it was extremely hot and gaseous. Gradually the temperature of this earth decreased and the earth became stable. A few years later, reservoirs formed on this earth, in this reservoir, the first living thing on our earth was born, in this reservoir, the first plant on our earth was born, that is algae. A few years later, the first living thing on earth came out of this algae, which we call the amoeba. The amoeba is an unicellular animal. These amoebae have created a wide variety of animals on our planet. They are classified into terrestrial, aquatic, and amphibians in the present age, including gorillas, chimpanzees, and monkeys. One of these ape species was also called anthropomorphic ape. The first human to be born from this ape 2 million years ago was called Australopithecus hominid. He was the earliest man, he could walk on two legs, he could stand, but his spine was not stiff.

After Australopithecus hominid, another human was born 1.7 million years ago. He had a stiff spine, He was called homo erectus. The remains of this homo erectus were first found in Peking, China, hence the name Peking Man. 

The thinking man was born after Homo erectus, the thinking man is called homo sapiens man. The remains of this human were first found in Neanderthal (Germany), hence the name neanderthalensis. Then, 28,000 years ago, a more thoughtful man emerged, called homo sapiens sapien. Then, 28,000 years ago, a more thoughtful man emerged, called Homo sapiens sapien. His remains were first found at Cro magnon in France, hence the name cro magnon man. Thus Charles Darwin, in the first part of his theory, described the state of a human being, from ape to primitive man, from primitive man to homo erectus, from homo erectus to homo sapiens, from homo sapiens to homo sapiens sapien.

In 1871, Darwin published his second book, The Descent of Man. In this book, he has presented the second part of the theory of human evolution. In this book he describes the first stage of a skilled human being. This man was using his hands skillfully, so he was called a Skilled human. The first human remains were found in two African countries (Tanzania and Kenya). After researching this human, scientists named Louis Leakey and Mary Leakey named it homo habilis. It means to use one's hand skillfully. Homo erectus is a man with a stiff backbone, after the skilled man. Remains of this man have been found in all three continents: Asia, Africa and Europe. With the backbone of a human being stiff, this human being can also use fire but cannot produce fire. Its brain is more developed than that of a skilled human. The first stone weapon on earth was made during this human period, which we call the hand axe. The next human condition after Homo erectus is the powerful human.

The remains of the mighty man were first found in Neanderthal, Germany. Hence this mighty man is also called Neanderthal man. This human being was powerful and physically fit, so he was called a strong human being. He used to hunt large animals, use the skins of those animals for protection from heat, wind and rain, and live in caves. This human being can use fire as well as create fire. Such a powerful human (Neanderthal). Homo erectus has more brain development than man.

The next stage of a human being after a powerful human being is an intelligent human being. In the age of this intelligent human being, two elements have evolved, namely, imagination and solar system. The development of solar system and imagination has taken place in the time of this intelligent human being.

The last human being, Darwin stated, is the advanced human being, the modern human being. In this human state, ideological power and consumer power, that is, perceptual ability, have been developed. Agriculture and animal husbandry techniques have been developed during this human period. This is Charles Darwin's theory and his two books (The Organic Spaces and The Descent of Man).Also his third book is (The Voyage of the Beagle).Through these three books, he presented the theory of evolution and summarizes the theory that all living things are born by the laws of nature. Only those living things that adapt to natural changes survive over time. Organisms of species that do not evolve according to change are extinct and they are replaced by other living, other species. All of these processes take billions of years to complete.

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