"The Origin of Life on Earth" PPT courseware on the evolution of living things

限时免费领取网站会员

"The Origin of Life on Earth" PPT courseware on the evolution of living things

Download Points: 0.00
Free Download Upgrade VIP
Favorite Views: 2728 / Downloads: 661
Description

"The Origin of Life on Earth" PPT courseware on the evolution of living things

There was no life on earth at first. So how did life on earth appear? How do humans explore the origin of life?

What did life evolve from?

Chemical evolution theory: It is believed that life occurred in the long evolution of the universe and is the product of the evolution of the universe to a certain stage.

Water vapor, hydrogen, ammonia, methane, carbon dioxide, hydrogen sulfide, etc., without oxygen.

think? Based on the experimental results of Miller and other scholars, what speculations can be made about the origin of life?

Answer: Based on the experimental results of Miller and other scholars, it can be inferred that although life could not be formed on the primitive earth, organic matter that constituted living organisms could be produced. Therefore, the origin of life from inorganic matter to organic matter is completely achievable.

Meteorites contain organic matter needed to form living organisms. What inferences can be made from this?

Answer: From the fact that meteorites contain organic matter required to constitute living organisms, it can be inferred that the organic matter constituting living organisms can be formed from outside the earth and brought to the earth.

The conditions provided by the primitive earth for the origin of life

(1) Place: primitive atmosphere and primitive ocean

(2) Substances: methane, ammonia, water vapor, hydrogen, hydrogen sulfide, etc.

(3) Energy: cosmic rays, ultraviolet rays, lightning, energy released by volcanic eruptions, etc.

practice

1. The primitive ocean is like a thin plate of hot soup. The constant interactions contained in it gradually formed life over extremely long periods of time.

2. Primitive life originated from matter.

4. There is a significant difference in composition between the original earth’s atmosphere and the current air. The composition of the atmosphere at that time was mainly ( )

A. Water vapor, ammonia, methane, etc.

B. Nitrogen, oxygen, water vapor, carbon dioxide, etc.

C. Oxygen, hydrogen, carbon dioxide, etc.

D. Water vapor, oxygen, nitrogen, etc.

5. On the surface of the primitive earth, the basic material of life that was first formed was ( )

A. Small molecular organic compounds

B. Macromolecule organic matter

C. Small molecule inorganic substances

D. Primitive life

Keywords: Evolution of Biological Teaching Courseware, Origin of Life on Earth Teaching Courseware, New People's Education Edition Biology PPT Courseware for 8th Grade Volume 2, 8th Grade Biology Slide Courseware Download, Evolution of Biological PPT Courseware Download, Origin of Life on Earth PPT Courseware download, .ppt format

For more information about the PPT courseware "Evolution of Biology and the Origin of Life on Earth", please click the Evolution of Biology ppt and the Origin of Life on Earth ppt tag.

"The Origin of Life on Earth" Evolution of Biology PPT Courseware 6:

"The Origin of Life on Earth" PPT courseware on the evolution of living things 6 Please think about how long it took for the earth to come into existence? Was there life after the creation of the earth? Approximately how long ago did humans come into being? How did it come about? What were the earliest organisms on earth like?

"The Origin of Life on Earth" Evolution of Biology PPT Courseware 5:

"The Origin of Life on Earth" Biological Evolution PPT Courseware 5 Exploration Read several hypotheses about the origin of life and talk about which view you agree with more. View 1: Creationism This view holds that life was created by God or gods. Viewpoint 2: It happens naturally..

"The Origin of Life on Earth" Evolution of Biology PPT Courseware 4:

"The Origin of Life on Earth" Evolution of Biology PPT Courseware 4 The earth was born 4.6 billion years ago. Was there life on the earth at first? What were the earliest creatures? 1. Several hypotheses about the origin of life 1. Creationism 2. Spontaneity 3. Cosmonogenesis 4. Chemical evolution..

File Info

Update Time: 2024-11-22

This template belongs to biology courseware People's Education Edition Biology for Grade 8, Volume 2 industry PPT template

"The Origin of Life on Earth" PPT courseware on the evolution of living things Simple campus recruitment activity planning plan summary enterprise and institution recruitment publicity lecture PPT template is a general PPT template for business post competition provided by the manuscript PPT, simple campus recruitment activity planning plan summary enterprise and institution recruitment promotion Lecture PPT template, you can edit and modify the text and pictures in the source file by downloading the source file. If you want more exquisite business PPT templates, you can come to grid resource. Doug resource PPT, massive PPT template slide material download, we only make high-quality PPT templates!

Tips: If you open the template and feel that it is not suitable for all your needs, you can search for related content "The Origin of Life on Earth" PPT courseware on the evolution of living things is enough.

How to use the Windows system template

Directly decompress the file and use it with office or wps

How to use the Mac system template

Directly decompress the file and use it Office or wps can be used

Related reading

For more detailed PPT-related tutorials and font tutorials, you can view: Click to see

How to create a high-quality technological sense PPT? 4 ways to share the bottom of the box

Notice

Do not download in WeChat, Zhihu, QQ, built-in browsers, please use mobile browsers to download! If you are a mobile phone user, please download it on your computer!
1. The manuscript PPT is only for study and reference, please delete it 24 hours after downloading.
2. If the resource involves your legitimate rights and interests, delete it immediately.
3. Contact information: service@daogebangong.com

"The Origin of Life on Earth" PPT courseware on the evolution of living things, due to usage restrictions, it is only for personal study and reference use. For commercial use, please go to the relevant official website for authorization.

(Personal non-commercial use refers to the use of this font to complete the display of personal works, including but not limited to the design of personal papers, resumes, etc.)

Preview
"The Origin of Life on Earth" PPT courseware on the evolution of living things
VIP免费客服咨询
赚钱
成为签约合伙人
种草
觅知网“种草官”开始招募啦!!!
客服
售前客服
工作日:9:00-18:00
立即咨询
售后客服
工作日:9:00-22:30
周末:14:00-22:30
立即咨询
需求
填写您的需求