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UNIT 10 – ECOSYSTEM TEST 4 A-LISTENING Task 1: Listen carefully to the recording and fill in the blanks with NO MORE THAN TWO WORDS: (1)_______________ is a term used to describe the variety of life on Earth, including the different species of plants, animals, and microorganisms that inhabit our planet. One of the most diverse ecosystems on Earth is the (2)_______________, which is home to more than half of all the world's species. They are also important carbon sinks, absorbing vast amounts of carbon dioxide from the atmosphere and helping to mitigate the effects of climate change. Moreover, (3)_______________ also play a critical role in maintaining natural balance, especially in tropical regions where deforestation and habitat loss are major threats. By preserving large areas of land and the ecosystems within them, they provide a haven for many species, including (4)_______________ such as tigers, elephants, and gorillas. These animals are not only important for their intrinsic value but also play a vital role in maintaining the health and balance of the (5) _______________. Task 2: Listen carefully to the recording and choose the most correct answer for each question below: Question 1: What is an ecosystem? A. A type of tree and the animals living inside it. B. A system of living organisms and their surroundings. C. A type of coral reef and its biodiversity. D. A body of water and a wide range of marine life inside. Question 2: What is the purpose of photosynthesis in an ecosystem? A. To provide energy for plants and animals. B. To capture flashlight through tree leaves. C. To convert sunlight into food for coral polyps. D. To create shade and shelter for smaller plants and animals. Question 3: What role do coral polyps play in a coral reef ecosystem? A. They provide shade and shelter for smaller plants and animals. B. They capture sunlight through their leaves. C. They convert sunlight into energy through photosynthesis. D. They are tiny animals that create the structure of the reef. Question 4: According to the recording, which of the following is NOT an example of an ecosystem? A. a forest B. a coral reef C. a fishtank D. a desert Question 5: What services do ecosystems provide to humans? A. Clean air, fresh water, and food. B. Shade, shelter, and sunlight. C. Coral reefs and forests. D. Deserts and grasslands. B-SPEAKING:
Speaking Topic 1: Talk about a time you saw someone do harm to the environment: You should say: - When was that? - Why did you feel that way? - What did you do at that time? And explain your feelings when you saw it. Speaking Topic 2: Talk about a wild animal that you feel interested in: You should say: - What is that animal? - Why are you interested in it? - When did you see it in real life? And explain what you will do to prevent it from becoming extinct. C-WRITING: Write a short paragraph (150 -200 words) about these topics: “People should pay more attention to maintaining biodiversity in nature.” Do you agree or disagree with that opinion? Why? You should: - Say if you agree or disagree. - Explain your opinion. - Give an example for your opinion. _______________________________________________________________________________________ _______________________________________________________________________________________ _______________________________________________________________________________________ _______________________________________________________________________________________ _______________________________________________________________________________________ _______________________________________________________________________________________ _______________________________________________________________________________________ “Students learn too much about protecting the environment, but few actions were done.” Do you agree or disagree with that opinion? Why? You should: - Say if you agree or disagree. - Explain your opinion. - Give an example for your opinion. _______________________________________________________________________________________ _______________________________________________________________________________________ _______________________________________________________________________________________