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Jiangsu Education Edition Seventh Grade Biology Volume 1	pptx	6 MB

"Biology Around Us" PPT

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Upload Time: 2024-09-02

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"Biology Around Us" PPT

Part I: The relationship between biology and human life

hint question:

1 The relationship between biology and basic necessities of life

2 The relationship between biology and national construction and improvement of living standards

Biology and medicine, health

A series of new substances discovered in leeches that may be used to treat cardiovascular diseases

In 1978, American scientists successfully cultivated a new variety that can directly produce energy substances - "petroleum grass". After the stems of this plant are cut, a white milky liquid will flow out, which can be refined to obtain oil.

The relationship between biology and human life

Sources of food: animals and plants on the earth

Materials of clothes: cotton, linen, fur

Housing material: wood

The source of gasoline and diesel for transportation: ancient creatures

Source of vaccines used in vaccinations: microorganisms

Biology around us PPT, part 2: The impact of the development of biology on society

reading questions

What contribution does Academician Yuan Longping's hybrid rice make to society?

What scientific spirit and attitude do scientists like Yuan Longping have that we can learn from?

Five crises facing the world

Population surge

energy crisis

lack of resources

food shortage

environmental pollution

Biology PPT around us, part three: summary

The impact of the development of biology on society

After the 1950s, biology entered the stage of molecular biology and continued to make new progress. Biology has also had a greater impact on agriculture, medicine, health and other aspects.

Keywords: Jiangsu Education Edition seventh grade biology PPT courseware free download, biology around us PPT download, .PPT format;

For more information about the "Biological World Around Us Biology Around Us" PPT courseware, please click the Biological World Around Us Biology ppt tag.

"Biology Around Us" PPT courseware:

"Biology Around Us" PPT Courseware Part One: Situation Introduction The clothes we wear are made of cotton, linen, fur and other living things. What other applications of biology are there in our lives? Learning Objectives 1. Describe the concepts of biology. 2. Give examples...

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Update Time: 2024-09-02

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The biological world around us ppt The biology around us ppt

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"Biology Around Us" PPT