People's Education Edition Biology for Grade 8, Volume 1
People's Education Edition Biology for Grade 8, Volume 2
People's Education Edition seventh grade biology volume 1
People's Education Press High School Biology Compulsory Course 2
Beijing Normal University Edition Seventh Grade Biology Volume 2
People's Education Press seventh grade biology book volume 2
Beijing Normal University Edition Eighth Grade Biology Volume 1
Beijing Normal University Edition Seventh Grade Biology Volume 1
Beijing Normal University Edition Eighth Grade Biology Volume 2
Jiangsu Education Edition Seventh Grade Biology Volume 1
High School Biology Compulsory Course 1, published by People's Education Press
Jiangsu Education Edition 8th Grade Biology Volume 1
Jiangsu Education Edition Seventh Grade Biology Volume 2
Jiangsu Education Edition 8th Grade Biology Volume 2
Category | Format | Size |
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People's Education Press seventh grade biology book volume 2 | pptx | 6 MB |
Description
"The Origin and Development of Humankind" The Origin of Man PPT Courseware 2
Guess: What animal walks on four legs when it is young, then walks on two legs, and then walks on three legs when it is old?
Let’s talk about it: Where did the earliest people come from? What myths and legends do the students know?
Observe the picture of apes and answer the questions:
1. Where on earth are these great apes distributed today? What do their lifestyles have in common?
2. The number of humans is increasing rapidly, while the number of great apes is decreasing. Why is this happening?
3. Great apes do have many similarities with humans in terms of morphological structure, but in what aspects are they fundamentally different from humans?
What do the lifestyles of modern great apes have in common?
1. They all rely on obtaining fruits, buds, insects and other food from the forest to survive;
2. No ability to make tools and improve the living environment;
3. Inability to communicate in language and text like humans do
Reasons for the rapid increase in the number of humans
Human beings have the ability to invent and create various sciences and technologies, which have enabled humans to continuously strengthen their ability to adapt to the natural environment, transform the natural environment, improve living conditions, and use medicine and health to strengthen their own health care. All these have contributed to the rapid increase in the number of humans.
Reasons for the dwindling number of great apes
1. Great apes do not have the ability to invent and create technology;
2. Human development of forests destroys and pollutes the environment
3. Great apes do have many similarities with humans in terms of morphological structure, but in what aspects are they fundamentally different from humans?
think about it
Geologists tell us that 10 to 20 million years ago, the earth's crust moved violently, and mountain ranges such as the Himalayas and the Alps appeared one after another. In East Africa, the largest rift valley in the world was formed, stretching from Mozambique in the south to Jordan in Dacia in the north. The river valley is more than 6,000 kilometers long. At that time, the climate on the earth also experienced drastic changes. Under the influence of huge changes in terrain and climate, part of the original tropical jungle in the East African Rift Valley has turned into savanna. Think about it, a large amount of forest has been turned into a savanna. What impact will it have on the forest apes there?
Answer: As a result, some forest apes were forced to live on the ground.
Let’s talk about it: How did the forest apes develop in the direction of humans? [Think about changes in the environment, changes in movement patterns, use of tools, changes in brain capacity, and the production of language.]
2. Human development
In what aspects did human beings gradually change during their origin and development?
Mode of movement: semi-upright walking, upright walking
In terms of labor: not being able to use tools, using natural tools, making and using simple tools, making and using complex tools (language is produced in labor)
In terms of dressing: being naked, knowing how to keep out the cold and cover up shame
1. The Origin of Humanity
1. Humans originated from forest apes
�1�The common ancestor of humans and great apes is the forest ape
�2�It was Darwin, the famous British evolutionist in the 19th century, who proposed that humans and apes share a common ancestry.
2. Causes: Changes in the environment and changes in its own morphological structure
3. Evidence Fossil evidence
�1�The "Lucy" era�3 million years ago�
�2�Era of "East Africans" �1.75 million years ago�
4. Place of origin: Africa
think
1. Which of the following is not a characteristic of humans walking upright ( )
A. The hind limbs grow B. The pelvis becomes shorter and wider
C. Producing language D. The spine is S-shaped
2. Which of the following characteristics does not belong to "East Africans" ( )
A. Artificial fire
B. The upright posture is close to that of modern people
C. There is a clear division of labor between the upper and lower limbs
D. Can make various stone tools
Compete to see who is better.
1. The correct way and attitude towards treating our close relatives - modern great apes is ( )
A. Establish a modern great ape nature reserve
B. Protect the forests where modern great apes depend for survival
C. Random capture of modern great apes
Both D.A.B are correct.
2. The following mammals are most closely related to apes
yes( )
A. Macaque B. Gibbon C. Rhesus monkey D. Leaf monkey
Based on the passage on page 6, can you determine which of the following statements are facts and which are opinions?
1. The ancient human fossil “Lucy” was discovered in Africa
2. “Lucy” lived 3 million years ago
3. No ancient human fossils from 2 million to 3 million years ago have been found in other areas.
4. There are no ancient human fossils from 2 to 3 million years ago in other areas.
5. Homo erectus in Asia migrated from Africa.
Keywords: The origin of man teaching courseware, the origin and development of human beings teaching courseware, New People's Education Edition seventh grade biology PPT courseware for the second volume, seventh grade biology slide courseware download, the origin of man PPT courseware download, the origin and development of mankind PPT Courseware download, .ppt format
For more information about the PPT courseware "The Origin of Man, The Origin and Development of Mankind", please click the "The Origin of Man ppt, The Origin and Development of Mankind" ppt tag.
"The Origin and Development of Humankind" The Origin of Man PPT Courseware 6:
"The Origin and Development of Humanity" The Origin of Man PPT Courseware 6 Where do humans come from? After carefully comparing the similarities between humans and modern great apes, Darwin proposed that the common ancestor of humans and great apes is a kind of ancient ape, forest hominin. Example 1: International Chimpanzee Gene Sequencing and Analysis..
"The Origin and Development of Humankind" The Origin of Man PPT Courseware 5:
"The Origin and Development of Humanity" The Origin of Man PPT Courseware 5 Where do people come from? Theology's creation theory, Buddhism's theory of descent, alien replication theory, biology's theory of evolution, Darwin's theory of evolution: The common ancestor of modern apes and humans is the forest ape. In 1859,...
"The Origin and Development of Humankind" The Origin of Man PPT Courseware 4:
"The Origin and Development of Mankind" The Origin of Man PPT Courseware 4 Unit Objectives Understand the structure and physiology of the human body and pay attention to the relationship between man and the biosphere. Darwin Darwin (Charles Robert Darwin, 1809-1882) was a British naturalist and the founder of the theory of evolution. by..
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Update Time: 2024-09-27
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