Vocabulary

4. Check if you know the key words.

Adapt; biodiversity; disappear; estimate; extinct; fungus; inherit; particular; racial; rainforest; threat

5. Match the words to make phrases.

1) living a) biodiversity

2) severe b) species

3) genetic c) cat

4) Siamese d) organisms

5) human e) shape

6) unique f) race

7) body g) extinction

8) medicinal h) value

6. Complete the sentences with the words from the box.

Different, kinds, survive, Earth’s, extinction, variety, niche

1. Biodiversity is a word that describes the variety of living things.

2. There are 3 … of biodiversity.

3. Variety of genes makes us all ….

4. Each species is adapted to ….

5. Ecologists call the role a species plays in its environment a “…”.

6. Many of the world’s different plants and animals are under severe threat of ….

7. Much of the … great biodiversity is rapidly disappearing.

Grammar: The Verb: The Present Simple Tense , The Present Continuous Tense (Глагол: Настоящее простое время, настоящее продолженное время).

7. Choose the correct form in each sentence.

1. Living organisms express/are expressing their diversity in hundreds of different ways.

2. The difference in our genes makes/ is making us all different.

3. Scientists group/are grouping living things into distinct kind of species.

4. Much of the Earth’s great biodiversity is rapidly disappearing/disappears.

5. Scientists around the world study/are studying global diversity in hopes that they might better understand it.

6. Three species go/ are going extinct every hour.

Test yourself

8. Read the text again and choose the correct answer.

1. There are … kinds of biodiversity.

1. 3 b) 2 c) 4

2. Coral reefs, wetlands, and tropical rainforests are all.

1. Ecosystems b)populations c) habitats

3. There is … diversity within a species, which results in the differences between you and your brothers.

1. genetic b)evolutionary c) cultural

4. There is … diversity, which has given rise to all the different species of animals and plants on this Earth.

1. evolutionary b) genetic c) cultural

5. Each species is … to survive in a particular environment.

1. inherited b) adapted c) disappeared

6. Dinosaurs became …65 million years ago.

1. extinct b) external c) internal

7. Three species go extinct every ….

1. hour b) minute c) hour

8. Much of the Earth’s great biodiversity is rapidly ….

1. disappearing b) increasing c) adapting

Speaking: Biodiversity

9. Give the author’s definition of biodiversity. Mention the comparison of the author and your opinion on the reasons.

Writing: Present Simple, Present Continuous.

10.Write questions about the things underlined in the sentences.

1. There are 3 kinds of biodiversity.

2. Scientists group living things into distinct kind of species.

3. Evolutionary diversity has given rise to all the different species of animals and plants on this Earth.

4. The human species seems to have adapted itself to survive in almost every environment on the Earth.

5. Much of the Earth’s great biodiversity is rapidly disappearing

6. A species is said to be extinct when it has not been seen for over 50 years.

7. Many hundreds of species will face extinction in a very few years.

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