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Vocabulary
1. Fill in the table with words and phrases about habitats.
| Types of habitats | Things in a habitat |
| poles | flora and fauna |
2. Complete the passage, using the words and phrases in the box.
| nature reserves habitat loss ecological balance food chain climate change |
Earth's habitats are various and many are threatened. Each habitat includes living things, non-living things, and the surrounding environment. The relations of all living things and their environment in a habitat make up the habitat's ecology. (1) _____ or changes in population of plants and animals can cause changes to the natural (2) _____ and the ecology. That means to maintain a(n) (3) _____ we shouldn't cause changes to the climate and the plants and animals of any habitat. In many countries, people have to keep endangered built (4) _____ plants and animals safe. People should also avoid activities that may cause pollution and (5) _____.
Grammar
3. Complete each sentence (1-5) with a non-defining relative clause (A - E).
A. who is considered the God of Thunder
B. which are large and extremely dry areas
C. whose work in geology is considered very important
D. which is the oldest national park in Việt Nam
E. which attract many tourists worldwide
1. The Alps are a well-known mountain range, _____.
2. Deserts on Earth, _____, hardly get any rain.
3. People used to believe that Thor, _____, causes storms and lightning.
4. We spent time trekking, bird-watching, and kayaking in Cuc Phuong, _____.
5. James Hutton, _____, was one of the first scientists to study geology.
4. Combine the two sentences into one, using a non-defining relative clause.
1. Boreal forests cover vast areas in Canada, Alaska, and Russia. They are also called Taiga.
____________________________________________________________________________________________.
2. Polar bears are endangered animals. Their natural habitat is the Arctic.
____________________________________________________________________________________________.
3. Julie Arblaster focuses on studying climate change. She is an Australian scientist.
____________________________________________________________________________________________.
4. Antarctica is Earth's least populated continent. It is surrounded by the Southern Ocean.
____________________________________________________________________________________________.
5. The natural world is the world of living things. Living things include plants and animals.
____________________________________________________________________________________________.
