How could there be blacks, whites, and yellows, weren t they all apes in the beginning

The categories of human races are distinguished according to their biological constitution and inherited traits, such as skin color, body shape, head shape, eye color, hairstyle, nose shape, blood type, personality and potential. It is not like language and religion that vary from time to time, but are attached to human beings as they grow up. Race is innate.

Anthropologists began to study the classification of human races in the 18th century. In 1775, Johann Friedrish Blamenbach of Germany divided human beings into five races according to their skin color, hairstyle, height and other physical characteristics: Caucasian race, commonly known as Caucasians;Mongolian race, commonly known as yellow race;Negro race, commonly known as the black race;The Amerian race, commonly known as the red race;The Malayan race, commonly known as the brown race.

This division can be said to be the first geographical classification of human race using scientific methods. Later, in 1927, Taylor of the United Kingdom published the work "Environment and Ethnicity", which detailed the influence of the natural environment on the human race and the regional distribution of each race, and made great contributions to the geography of the human race. In 1929, Bernhold Reusch of Germany used the term "geographical ethnicity" to describe the ethnicity of a large region.

Subsequently, the terms "regional race" and "small race" were proposed, because there were people who, although they lived separately on all continents of the earth, had similar genetic characteristics in terms of physique, or who were separated from each other by customs and changed over time into different races in terms of heritability in each region. In 1961, Stauley of the United States adopted the above division to synthesize the world's human beings into 9 geographical races and 32 regional races.

Environment, region, food, etc.

Yellows, Caucasians, and blacks are not the same ancestor.

1. Yellow race: Yellow race is also known as Han race. Yellow race** is yellow or yellowish-white, yellowish-brown, mainly distributed in eastern and southeastern Asia, northern North America, parts of South America, and concentrated in the eastern half of Asia.

2. Caucasians: Caucasian races, also known as Europa races and Caucasian races, refer to a race with specific physical characteristics, which is a concept of physical anthropology. It is the most populous and widely distributed human race in the world.

It is mainly distributed in Europe, North Africa, West Asia, Central Asia, South Asia, North America, South America and Oceania. The native places of Caucasian people are Europe, North Africa, West Asia, Central Asia, and South Asia.

3. Black race: Black race is black race, also known as Negro race, Negro Australian race, equatorial race, is a group of people divided according to heritable traits in the constitution, one of the human taxonomy theory.

The racial classification of blacks mainly includes Sudanese Negros, Bantu Negros (both of which account for the vast majority of the black African population), Coisan Nigros, Cusit Negros (belonging to the mulatto), Australian Aborigines, etc. During the Middle Ages and before the Middle Ages, they were mainly found in sub-Saharan Africa. Later, due to imperialism and mercantilism in European countries, large numbers of blacks were forced to be sent as slaves in South and North America.

Summary. Hello <>

Human skin color and ethnicity are the result of natural selection. Over the course of human evolution, people in different geographical environments have gradually developed different physical characteristics, including skin color and facial features. For example, people who live in colder areas often have a lighter color to better absorb vitamin D from sunlight.

People who live in the tropics usually have a darker color, which is to avoid the damage of the sun's rays.

Is it the result of natural selection that humans have blacks, whites, and yellow races?

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The sensitive skin core of human beings is the result of natural selection. Over the course of human evolution, people in different geographical environments have gradually developed different physical characteristics, including skin color and facial features. For example, people who live in colder areas tend to have a lighter** color to better absorb vitamin D from sunlight.

People who live in the tropics usually have a darker color, which is to avoid the damage of the sun's rays.

In addition to skin color, other human body characteristics are also influenced by nature's trillion-selected nature. For example, Asians usually have smaller noses and eyes, which are clear in order to adapt to dry climatic conditions; Africans, on the other hand, usually have larger noses and lips to better resist evaporation in hot environments. In addition, differences in human height, size, and intelligence are also related to factors of natural selection.

In conclusion, human diversity is the result of natural selection, reflecting adaptive evolution under different environmental conditions.

Is it right to choose a mutation that is beneficial to humans?

How should Question 209 be changed?

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Choosing a mutation that is beneficial to humanity is not necessarily the right one. First, we need to be clear about what is human-friendly variation. In the short term, some variations may bring some benefits, but in the long term they can lead to catastrophic consequences, even negative impacts on human society as a whole.

For example, over the past few decades, pesticides and herbicides widely used in the paraterraneal nuclear tolerance domain in agriculture have caused significant damage to the environment and human health, although they can increase crop yields. By the same token, if we focus only on the mutations that are beneficial to humanity and ignore the effects of other organisms and the Circumferential Spring, we can have serious consequences.

Modern man originated from African origin. The evidence from genetic studies is that by tracing the origin of the Y chromosome and mitochondrial DNA, it can be determined that modern humans outside Africa have a common paternal ancestor, which lived about 60,000 to 70,000 years ago, and that the older sibling lines of this paternal ancestor are all in Africa, and that the common paternal ancestors of all modern people, including Africans, can be traced back to about 200,000 years ago. According to the maternal ancestry traced by mitochondrial DNA, the roots of the maternal ancestors of all modern people, as in the paternal line, are also in Africa.

Blacks are not, our yellow ancestors were Homo sapiens.

Of course; The Yellow Bell Man, the Caucasian Man, and the Black Man all share the same ancestor, Homo sapiens.

This is the result of the selection of the fittest in the natural environment.

Human beings originated in Africa, and some of the industrious people migrated in three directions, leaving some of the more comfortable residents in place. One group went south, one group migrated northwest, and the last, and the smartest, most industrious, group crossed the Himalayas and migrated northeast.

Due to the different climates in different places, the two races that migrated to the northeast and northwest gradually increased due to the survival of the fittest due to the cold weather, and the number of light-skinned people gradually increased, becoming the mainstream. Those who migrated south soon reached the end of the land and maintained close relations with the earliest non-migrants. The hot environment is survival of the fittest, ** is getting darker and darker, and there is also a laziness of unmigrated residents in their bones.

The other two are constantly conquering nature, and the human race also has the innate advantage of being industrious and intelligent.

To the northeast, the last one is industrious and intelligent, and the intellectual superiority compensates for part of the physical characteristics of the disadvantage in the face of natural disasters. A large number of people with unmutated skin colors survived, forming a large yellow race.

In winter, the sea froze, and some of the yellow people crossed the Pacific Ocean to the American continent, forming an Indian group. At this point, the distribution pattern of human beings in various parts of the earth has basically taken shape.

The dragon gave birth to nine sons, and they are all different, so there is nothing strange about it.

How did humans come about?

50,000 years ago, all human beings were not separated, and at that time, everyone was black.

50,000 years of history. It is also believed that this time node is about 130,000 years ago.

The earth is so big, why do all humans come from Africa? Actually, no, but the human beings from Africa are relatively strong in combat, and after leaving Africa, they quickly replaced the native races around the world.

But there is another reason that is puzzling, since we are all of African descent. So, why are there blacks, whites, and yellows in the world today? Don't they have a common ancestor?

When we look at the murals handed down from ancient times, there are still obvious differences in the appearance of people in ancient Egypt, ancient Luoba, ancient China, ancient India, and ancient Greece.

This is probably due to the influence of the climate.

We all know that black Americans are descendants of black Africans who were originally sold to the United States as slaves. Today, however, black Americans are generally whiter than black Africans.

There is such a big change in a few hundred years, what about tens of thousands of years? Of course, there are also reasons for mixed race. It's that many black Americans have mixed with Caucasian blood.

Even so, a lot has changed. In other words, it is possible for the appearance to change significantly over a period of several hundred years.

But how old is the apparent difference between blacks, whites, and yellows? At least as far as we know, it goes beyond the written history of mankind.

If we look at the Indians, who are thought to have inhabited the Asian continent and arrived in the Americas through the Bering Strait 2-30,000 years ago. Today, they still look like East Asians.

According to the theory that humans walked out of Africa 50,000 years ago, it seems that the huge difference between black, white and yellow during this time is still a little bigger.

It is also possible that each continent originally had its own native race, and that Africans came and intermarried with other races, forming the existing races.

The African origin theory and the multi-land evolution theory are still inconclusive. With the exploration of aliens, many people believe that humans are the products of aliens, and aliens are the gods of human legends.