"Biological Invaders" PPT Courseware 3

Description

"Biological Invaders" PPT Courseware 3

overall perception

Please collect information using the sentence pattern "From the text, I learned ＿＿＿＿＿". (Summarize based on finding the central sentence of each paragraph)

Please define "biological invader".

Creatures that originally lived in a foreign country, migrated to a new ecological environment through unnatural means, and caused great harm to the local ecosystem and human society are called "biological invaders".

Sort out the order

1. Explain the concept of “biological invaders” (1)

2. Detailed introduction to the harm caused by “biological invaders” to humans and their destructive effects on the ecological environment (2-4)

3. The invasion pathways and reasons for the increase of “biological invaders” (5)

4. Two different attitudes in biology and ecology (6-7)

5. Countries around the world are taking corresponding measures (8)

Explain method

1. Define: Reveal the essence of things

2. List numbers: increase the credibility and authority of the article’s ideas

3. Use metaphors: Make the explanation more specific and vivid

4. Give examples: To support your point of view and make it more convincing and easy to understand.

Expand and extend

What other information have you collected on biological invaders?

Briefly introduce a biological invader (name, source, characteristics, hazards, etc.) based on existing information.

Go to the debate stage

Debate topic: Do biological invaders require human intervention?

1. Clear language and loud voice

2. Clear views and clear stance

3. When arguing, you must be "reasonable" and "proper"

Class summary

This text has a rigorous structure and clear levels. It uses illustrative methods such as listing numbers, giving examples, and making metaphors, which provides us with a reference for writing expository essays. In addition, this is an explanatory essay on ecological issues. It explains to us what biological invaders are and the huge harm caused by biological invasion, prompting us to be highly alert to this special ecological phenomenon. By studying this text, we can not only gain certain ecological knowledge, but also cultivate our sense of social responsibility.

after class homework

Do you know what other biological invaders are around you? Try to collect some information and write a science essay.

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"Biological Invaders" PPT courseware 5:

"Biological Invaders" PPT Courseware 5 Learning Objectives: 1. Grasp the content as a whole and understand the relevant situation of biological invaders. 2. Clarify the order of explanation, master the explanation method, and taste the explanation language. 3. Understand biological pollution, enhance prevention awareness, and contribute to building homes and protecting...

"Biological Invaders" PPT courseware 4:

"Biological Invaders" PPT courseware 4 About the author Mei Tao, a doctoral supervisor of contemporary popular science writers in my country, was born in Jiangxi in November 1962. He is currently the executive deputy director of the Hefei Institute of Intelligent Machinery, Chinese Academy of Sciences. Obtained 5 patents, including 2 invention patents. Learning Objectives 1. ..

"Biological Invaders" MP3 text reading:

"Biological Invaders" MP3 text reading When you find one or two beetles that you have never seen before on the roadside grass or in your own yard, you will certainly not be surprised. But in the eyes of biologists and ecologists, this may not be an ordinary thing. Experts put this original birth...

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Update Time: 2024-09-22

This template belongs to Chinese courseware Lu Jiao edition seventh grade Chinese language volume 2 industry PPT template

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