Skills (Kỹ năng) - trang 44 Review 3 (Units 6 - 7 - 8) SGK tiếng anh 12 mới

Skills (Kỹ năng) - trang 44 Review 3 (Units 6 - 7 - 8) SGK tiếng anh 12 mới

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IUCN Red List

1     Read the text about IUCN Red List. (Đọc văn bản về Danh sách Đỏ IUCN)

The International Union for Conservation of Nature (IUCN) Red List is a comprehensive catalogue of the conservation status of species. Information is collected from all over the world and carefully analysed. Many factors are taken into consideration, such as the remaining numbers, the overall increase or decrease in the population, breeding success rates, and known threats. The IUCN Red List then classifies species into seven categories: Extinct (EX), Extinct in the wild (EW), Critically Endangered (CR), Endangered (EN), Vulnerable (VU), Near-threatened (NT), or Least Concern (LC).

After Extinct and Extinct in the wild, the highest risk category assigned by the IUCN Red List is Critically Endangered. A Critically Endangered species is a species that is facing a very high risk of extinction in the wild. Endangered is the next most severe conservation status for wildlife. A Vulnerable species is one that is likely to become endangered if the circumstances threatening its survival and reproduction do not improve. The main reason for its vulnerability is habitat loss or destruction.The species labelled Near Threatened and Least Concern, have had their conservation status assessed and found to be relatively safe and healthy, though they may be in decline.

The number of extinct and endangered species is increasing every year. It is estimated that over 40 per cent of the species on Earth are at risk of extinction. The IUCN Red List featured 3079 animal and 2655 plant species as endangered worldwide in 2012, and 1102 and 1197 respectively in 1998. Many countries in the world now have laws to conserve wild species and protect endangered and threatened species. However, much more has to be done to successfully safeguard the biodiversity of our planet.

2     Read the text again and decide whether the following statements are true (T), false (F), or not given (NG). Tick the correct box. (Đọc văn bản một lần nữa và quyết định xem các nhận định sau đây là đúng (T), sai (F), hoặc không xác định (NG). Đánh dấu vào ô thích hợp.)

1. The IUCN Red List evaluates the extinction risk of thousands of species.
2. Factors taken into consideration are only the remaining number, breeding success rates, and known threats.
3. The IUCN Red List suggests measures to conserve endangered species.
4. Endangered species are the ones at the most serious risk of extinction.
5. Though they may be in decline, Near Threatened and Least Concern species are quite safe and healthy.
6. The IUCN Red List requires countries to create laws that protect wildlife.

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