Bài giảng Tiếng Anh Lớp 12 - Unit 10: Endangred species - Lesson: Reading 2

e destroyed or seriously damaged natural habitats. Since the 1600s, world commercial exploitation of animals for food and other products has seriously reduced the number of rare species. Toxic chemicals in the air and land, contaminated water and increased water temperatures have also driven many species to the verge of extinction. 
Plant and animal extinction lead to loss of biodiversity. Maintaining biodiversity is important for us in many ways. For example, humans depend on species diversity to have food, clean air and water, and fertile soil for agriculture. In condition, we benefit greatly from the many medicines and other products that biodiversity provides. 
Different conservation efforts have been made in order to save endangered species. The Red List – animal global list of endangered and vulnerable animal species – has been introduced to raise people’s awareness of conservation needs. Governments have enacted laws to protect wildlife from commercial trade and overhunting . A number of wildlife habitat reserves have been established so that animal wide range of endangered species and have animal chance to survive and develop 
3. There are number of ways to help save endangered species 
Work in groups: 
1.What are the main causes of extinction or endangerment? 
2. How important is biodiversity for humans? 
3. What should we do to conserve endangered species? 
 Tuesday , Descember 1th ,2009 
Unit 10: ENDANGERED SPECIES 
 A – READING 
 - BEFORE YOU READ 
 - WHILE YOU READ 
 - after you read 
Work in groups: 
 Tuesday , Descember 1th ,2009 
Unit 10: ENDANGERED SPECIES 
 A – READING 
 - BEFORE YOU READ 
 - WHILE YOU READ 
 - after you read 
Group 1 
Group 2 
Group 3 
Suggested answers: 
The main causes of extinction or endangerment are habitat destruction, commercial exploitation and pollution. 
2. Biodiversity is important for humans as it provides food, clear air, water fertile soil and 
 other products. 
3. To conserve endangered species wild animals’ habitat mustn’t be destroyed. We should raise our awareness of conservations needs. Laws should be enacted to protect wildlife from commercial trade and overhunting . 
thanks for your attention!