Task 2. Listen to a conversation about biodiversity and choose the correct answer to each of the following questions. You can listen to the recording TWICE. (1p)
Question 5. What does biodiversity refer to?
A. the impact of climate change
B. the variety of life on Earth
C. the study of ecosystems
D. the source of energy
Question 6. How do small mammals and birds help ecosystems?
A. They spread seeds and fruit.
B. They control pests and build nests.
C. They hunt other animals.
D. They make the environment cleaner.
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