Man belongs to the primate family. The most human-like primate is the anthropoid ape, both of which belong to Anthropoceae. Modern people can easily be distinguished from apes. However, fossil humans are somewhere in between, and the difference between them and people today is not obvious. The difference between man and ape is that man is a cultured animal. But the so-called narrow sense of man means that modern people are limited to Homo sapiens, and the recent tendency of anthropology holds that the extinct Neanderthals also belong to Homo sapiens, and the first important factor for human beings to acquire culture is the ability to walk upright on two feet. People's physical characteristics are directly related to bipedal walking. Only on the basis of the liberation of upper limbs can we use and manufacture tools to produce body language. Contrary to apes, people's lower limbs are much longer and stronger than their upper limbs, and the pelvis develops horizontally because it bears the weight of the upper body. Due to the birth of the oldest newborn, the pelvic cavity is enlarged, and the brain and skull are also enlarged. The average brain volume of modern people is 1450 ml, which is three times that of gorillas. In addition, both the masticatory muscles and the facial skull are reduced, but the external nose at the beginning of the respiratory system becomes prominent, and the teeth become smaller, especially the big teeth become shorter. The dental arch of an ape is U-shaped, while that of a human is parabolic. The occlusal surface of human molars is simple, and the mouth fissure is narrow, which has formed buccal lips and is suitable for breastfeeding. Except hair, the whole body hair is extremely rare. Facial expression is muscular, fingers are dexterous, fingers are sensitive to touch, and fingerprints are various. It is also a characteristic of human beings that male genitalia has no penis bone and female has hymen. Human newborns are immature at birth, so the growth period is extremely long, during which they can acquire various independent social behaviors. A particularly developed brain is a treasure house of human wisdom, and the sensory and motor areas of hands and vocal organs occupy a large part of the brain. Human language, especially phonetic language, is very prominent. Therefore, it facilitates the communication between individuals and lays the foundation for excellent human culture. Because of culture, talents are different from other animals and are protected and influenced by culture itself. As a species of animals, it is widely distributed all over the world, and its life span has been extended.

Next, let's talk about Homo sapiens.

homo sapiens

homo sapiens

2003-6- 13

Xinhua News Agency, London, June 1 1 American scientists have discovered that a group of human skeleton fossils excavated in Ethiopia about160,000 years ago are the oldest modern humans, namely Homo sapiens. This discovery fills the gap in the early evolution of Homo sapiens and provides evidence for the theory that modern people originated in Africa.

These fossils were found in a dry valley in the middle Avash region of eastern Ethiopia in 1997, including quite complete skulls of an adult and a child, and some fragments of another adult's skull.

Scientists at the University of California, Berkeley, reported in the British journal Nature, which will be published on June 5438+02, that radioactive isotope determination showed that the above Homo sapiens lived about 16000 to 154000 years ago. Scientists say that these skulls undoubtedly belong to Homo sapiens in anatomical sense. They have quite a few modern features, such as adult skulls with large spherical skulls and flat faces. However, they also have some primitive features, such as a little distance between eyes and prominent eyebrows and ridges. In addition, these Homo sapiens lacked some characteristics of Neanderthals. This shows that they are in the primary stage of the development of Homo sapiens, between more primitive humans and modern humans.

An expert in killing animals on African soil.

For more than a century, the origin of Homo sapiens has been a basic and important issue in the study of human evolution. Many scientists believe that Homo sapiens, like our more primitive ancestors, originated in Africa. However, some scientists believe that Homo sapiens developed in different parts of the world.

Previously, scientists have discovered a large number of primitive human fossils millions of years ago in Africa, but they have not found the key stage of the origin of Homo sapiens, that is, Homo sapiens fossils with a clear survival age from 654.38 million to 300,000 years ago. The newly discovered Homo sapiens fossils fill this gap, which is consistent with the predicted results of molecular biology and is an important support for the hypothesis that human ancestors originated in Africa. In the places where these skull fossils were unearthed, many animal bones such as hippos and antelopes and various quite advanced stone tools were also found. This shows that Homo sapiens used to be an expert in killing animals, and the proportion of meat in his food was very high.

Have a certain perceptual knowledge of death

The researchers also found that some Homo sapiens skulls have knife marks, and the skulls of Homo sapiens children have a particularly obvious luster, such as being often touched, which may be used as decorations or utensils. Scientists suggest that this means that Homo sapiens at that time may have preserved children's bones as souvenirs in some ceremony. This may be the earliest example of human beings' understanding and emotional response to death. Other animals would not have such complicated behaviors.

According to scientists, the characteristics of Homo sapiens in the trunk and limbs are: completely adapting to the upright posture, and striding with both feet alternately when walking. As for the time of appearance, there is another saying: Early Homo sapiens may have appeared in Southeast Europe 350,000 years ago, Western Europe 200,000-250,000 years ago, and East Africa 6,543,800 years ago. Later, Homo sapiens appeared in other parts of Europe, the Mediterranean coast, China and the Far East. About 20,000 years ago, Homo sapiens crossed the Bering Strait and entered America.

People, or people, can be defined from the biological, spiritual and cultural levels, or the combination of these levels. Biologically, human beings are divided into Chordata, Vertebrate, Metazoa, Eukaryote, Amniotic, Mammalian, Primate, Ape, Rhinoceros, Anthropomorphoidea, and they are an intelligent race (Homo sapiens in Latin) and have a highly developed mind. On the spiritual level, people are described as being able to use various concepts of souls, which are considered to be related to divine power or existence in religion; In mythology, the human soul will also be compared with other humanoid animals. In cultural anthropology, people are defined as people who can use language, have complex social organizations and scientific and technological development, especially they can establish groups and institutions to achieve the purpose of mutual support and help.

The scientific name of Homo sapiens in biology (Latin meaning "knowing people") is a primate belonging to the hominid family with chimpanzees, gorillas, orangutans, gibbons and apodized apes [1]. The difference between humans and other primates lies in their upright bodies, highly developed brains, and their reasoning and language skills.

From the behavioral point of view, human beings are characterized by knowing how to use language, having various complex mutual social organizations and being fond of developing complex science and technology. These behavioral differences also lead to different beliefs, legends, rituals, values and social norms in different cultures.

People, in a philosophical sense, may be more suitable. Because philosophy gives various views on human nature and people.

Let's look at several statements as follows:

Labor creates people. The explanation of this sentence is not that labor turns apes into people, but that people's independence, status, initiative, cultural creativity and intuition are all reflected in labor.

I think therefore I am: that is to say, the confirmation of human existence is based on thinking and being able to think.

In addition, Heidegger, Hegel and others have also discussed this.

People refer to people in society. Nature created human beings, and labor created human society. There is no abstract sum of human nature, only individual and concrete people. People always have a community of sociality, class and personality. Whether human nature is good or evil is determined by this pluralistic community. It is precisely because people are at different stages in society that they have different views on good and evil.

Primates, primitive people. The fundamental difference between humans and animals is that they can use most tools, but the essence remains the same!

People always have an energy pool with weak motivation.

Man is a celestial body with a beautiful and wonderful world.

Man is a flower with the most beautiful flower language.

Man is an animal, and his spirit can live forever.

People talk endlessly.

Man is a symbol, which can reflect the passage of time.

Man is a group of countless atoms.

Man is a god who can destroy everything.

In a culture, decimals have no end.

A flowering tube capable of reflecting different colors.

Different forms of human maps

People have an infinite caring group.

People can touch the music of the universe.

......

Sorry, your questions are endless for me.

People have beauty and ugliness.

Man is a finite and infinite creature, and his wisdom is infinite.

Man is an individual and a whole, because only in unity can he survive.

People can create beautiful things or destroy them.

People! A little?

It is also hateful! ￣

People are cute, but they are also sad.

People always live in the process of thinking about people. ...

People-writing is to be a man, that is to say, as a person, only with the support of others can you be called a man. You are a person, and others are that person. On this earth, only people have so many complicated interpersonal relationships, and only animals with so many interpersonal relationships can be called people, so people just want to get along with people and improve interpersonal relationships, which is the meaning of the word people.

The most cruel animal, I don't know how many species have disappeared from human hands. ...

However, people are also the smartest animals. So many high-tech things in the world are man-made.

★ People, relative to the hardware or software in the network language, are also called wet parts.