1. Put the words in the box into the correct column.

(Đặt các từ trong hộp vào đúng cột.)

2. Complete the sentences using the correct forms of the words in brackets.

(Hoàn thành câu sử dụng dạng đúng của từ trong ngoặc.)

1. Deforestation of the area was stopped by the local community’s _________ efforts. (converse)

2. Some animals are in danger because their _________ habitats are being destroyed. (nature)

3. Scientists have discovered millions of __________ things on our planet. (live)

4. Asian elephant is one of the largest __________ in the world. (mammal)

5. You can have a lot of fun exploring the beautiful _________ parks in the region. (nation)

6. Conserving natural resources can help prevent the ________ of biodiversity on our planet. (lose)

7. Each plant helps protect _________ and supports the ecosystem of an area. (biodiverse)

8. The rare Javan rhino is the world’s most __________ animal. (danger)

3. Complete the sentences using the correct forms of the words and phrase in the box.

(Hoàn thành các câu sử dụng dạng đúng của các từ và cụm từ trong hộp.)

1. Creating __________ areas for endangered species is one way to save wildlife.

2. There are many different types of __________ around the world from forests to deserts and from small lakes to the open sea.

3. __________ is essential for the processes that support all life on Earth.

4. __________ not only cool the earth’s surface, but also provide us with food and water.

5. It is believed that there are more than five million __________ of insects, but only one million have been found and described.

6. Scientists estimate that 25 percent of all marine species live in and around __________.

7. A __________ describes how each living thing gets food, and how energy and nutrients are passed from one creature to another.

8. Biologists have found more than 350 mammal species __________ to Australia.