2. Complete the sentences using the correct form of the words and phrases in 1.
(Hoàn thành các câu sử dụng dạng đúng của các từ và cụm từ ở bài 1.)
1. ______ is important because plants and animals depend on each other to survive.
2. A new series of educational programmes shows the importance of ______ to humans.
3. Their work involves protecting and creating natural ______ for plants and animals.
4. Countries need to work together to deal with global issues such as deforestation and ______.
5. Pollution can have serious effects on the balance of ______.
1. Biodiversity
2. wildlife
3. habitats
4. climate change
5. ecosystem