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    Learn English > English lessons & exercises > Vocabulary: ecology, protected species > Stats updated every 4 hours
    To go back to the exercise

    Exercise "Vocabulary: ecology, protected species", created by here4u (a free exercise to learn English):
    Results of the 8 041 people who have taken this test:
    Average mark: 75.5 / 100 Share


    Latest member with a 100/100 (perfect mark): icare29 / FRANCE, on Monday 12 April - 12:08:
    "thanks a lot for your excellent exercise"


    They got a perfect mark


    Stats (8036 candidates)
    Question 1 passed: 89.4 %
    1. What is now called « * » is a long-term rise in the average temperature of the Earth’s climate system, and the worldwide surface temperature increases.

    Question 2 passed: 86.2 %
    2. * is planned to satisfy the needs of present populations without compromising the ability of future generations.

    Question 3 passed: 91 %
    3. Years ago, we were told that the * was the first sign of the suffering of our planet. Now we know there are many others.

    Question 4 passed: 89 %
    4. We shouldn’t use * as if it were an unlimited resource;

    Question 5 passed: 62.7 %


    Question 6 passed: 89.2 %
    5. Around 2010, many * killed elephants

    Question 7 passed: 84.9 %
    for the * of their tusks. Elephants are now better protected, but still hunted...

    Question 8 passed: 34.2 %
    6. The extreme impacts of climate change on the Arctic are turning the polar bear into an *.

    Question 9 passed: 84.6 %
    7. Some animals, such as *,

    Question 10 passed: 37.7 %
    are * near extinction.

    Question 11 passed: 85.8 %
    8. Among all the * in ecosystems, human beings are really the worst ones because they destroy and kill without needing it.


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