Reading answers with explanations

IELTS · Part 2 · Cambridge 15 — Test 2

Should we try to bring extinct species back to life?: Reading answers

Answers to questions 14–26 (13 in all), each with why it is right.

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A The passenger pigeon was a legendary species.Flying in vast numbers across North America, with potentially many millions within a single flock, their migration was once one of nature's great spectacles.Sadly, the passenger pigeon's existence came to an end on 1 September 1914, when the last living specimen died at Cincinnati Zoo.Geneticist Ben Novak is lead researcher on an ambitious project which now aims to bring the bird back to life through a process known as 'de-extinction'.The basic premise involves using cloning technology to turn the DNA of extinct animals into a fertilised embryo, which is carried by the nearest relative still in existence - in this case, the abundant band-tailed…

Answers 14–26

  1. 14

    a reference to how further disappearance of multiple species could be avoided

    F Matching information

  2. 15

    explanation of a way of reproducing an extinct animal using the DNA of only that species

    A Matching information

  3. 16

    reference to a habitat which has suffered following the extinction of a species

    D Matching information

  4. 17

    mention of the exact point at which a particular species became extinct

    A Matching information

  5. 18

    genetic traits Note completion

  6. 19

    heat loss Note completion

  7. 20

    ears Note completion

  8. 21

    fat / insulating fat Note completion

  9. 22

    emissions / carbon emissions Note completion

  10. 23

    Reintroducing an extinct species to its original habitat could improve the health of a particular species living there.

    B: Michael Archer Matching features

  11. 24

    It is important to concentrate on the causes of an animal's extinction.

    C: Beth Shapiro Matching features

  12. 25

    A species brought back from extinction could have an important beneficial impact on the vegetation of its habitat.

    A: Ben Novak Matching features

  13. 26

    Our current efforts at preserving biodiversity are insufficient.

    C: Beth Shapiro Matching features

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