Human impact on ecosystems

1. Choose the correct meanings of the word and phrases.

(Chọn nghĩa đúng của từ và cụm từ)

1. coral reef

A. a plant that grows in the sea

B. a line of hard rock formed by coral found in warm sea water

2. food chain

A. the order in which living things depend on each other for food

B. the order in which food is provided

3. run out

A. to use all of something

B. to experience something unexpectedly

4. break down

A. to make smaller

B. to stop working

Answer:

1. coral reef

B. a line of hard rock formed by coral found in warm sea water

2. food chain

A. the order in which living things depend on each other for food

3. run out

A. to use all of something

4. break down

B. to stop working

2. Listen to a talk and choose the correct answers A, B, or C.

(Nghe bài nói chuyện và chọn câu trả lời đúng A, B hoặc C)

1. Why is Dr Logan invited to give a talk?

A. Because he knows Nam.

B. Because he’s an expert in biodiversity conservation.

C. Because he’s a member of the environment club.

2. Which of the benefits provided by a healthy ecosystem is NOT mentioned?

A. Cleaning our air and water.

B. Controlling climate changes.

C. Recycling waste naturally.

3. How much of the coral reefs has disappeared?

A. 25%. B. 50%. C. 90%.

4. What may happen as a resuit of damaging the ecosystem balance?

A. More space for farming and houses.

B. Lack of food, water, and fresh air.

C. Fewer natural disasters.

5. What do you think Dr Logan will talk about next?

A. Ways to repair damaged ecosystems.

B. Ways to restore the food chain.

C. The future of human life.

Answer:

HS tự thực hiện.

3. Listen again and decide whether the statements are true (T) or false (F).

(Nghe lại và quyết định xem các câu đúng (T) hay sai (F)

Answer:

HS tự thực hiện.

4. Work in groups. Discuss the following question.

(Làm việc nhóm. Thảo luận câu hỏi sau)

What can humans do to protect and restore the earth’s ecosystems?

Answer:

There are various things that humans can do to protect and restore the earth's ecosystems. Some possible ideas are:

1. Reduce pollution: Humans can reduce the amount of pollutants released into the environment by practicing eco-friendly habits such as reducing plastic usage, proper disposal of waste, and using eco-friendly products.

2. Support conservation efforts: Humans can support conservation organizations and initiatives that aim to protect endangered species, forests, wetlands, and other ecosystems.

3. Plant trees: Trees are vital in absorbing carbon dioxide and producing oxygen. Planting trees helps to improve air quality and support the earth's ecosystem.

4. Practice sustainable agriculture: Humans can promote sustainable agriculture practices such as using natural fertilizers, crop rotation, and reducing the use of harmful pesticides and herbicides.

5. Protect water resources: Humans can protect water resources by reducing water usage, avoiding pollution of rivers and oceans, and supporting initiatives that promote clean water.

6. Advocate for environmental policies: Humans can advocate for the adoption of policies that protect the environment such as reducing greenhouse gas emissions and investing in renewable energy.

7. Educate others: Humans can educate others about the importance of protecting the environment and encourage them to adopt sustainable practices.

Overall, humans have a responsibility to protect and restore the earth's ecosystems for the benefit of future generations. By taking action, we can help to reduce the negative impact on the environment and ensure a sustainable future.