Invasive species - Luyện tập IELTS Listening online miễn phí

Invasive species 
Definition: a plant or animal living outside its usual range which causes harm in the new location 
Introducing species as food: 
- European rabbits 
          • were taken from Britain to Australia as food 
          • were released near Melbourne by a 1.            
 in 1859
        • had migrated right across the continent within fifty years 
          • were competing with2.            
 for food 
          • prevented trees from growing 
- The construction of 3.            
 did little to stop the spread of the rabbits 
Introducing species for business: 
- In the 1860s, Etienne Trouvelot wanted to see if the gypsy moth could be farmed in America for its 4.            

- This experiment failed, but the moths escaped.
- Gypsy moths could have spread further if the females were able to 5.            

- Gypsy moths still cause $3 billion of damage annually.
Introducing species for ‘acclimatisation’:
- Acclimatisation: the idea that a new species can 6.            
 the area where it is introduced 
- In 1890, Eugene Schieffelin tried to introduce to North America every kind of 7.            
 mentioned in Shakespeare’s plays. 
- Some of these animals destroyed many 8.            
 throughout North America. 
Gorse: 
- is a bush with sharp leaves 
- was introduced to New Zealand to be used as 9.            

- didn’t respond as expected to treatment with 10.            
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Invasive species
Definition: a plant or animal living outside its usual range which causes harm in the new location
Introducing species as food: - European rabbits • were taken from Britain to Australia as food • were released near Melbourne by a 1. in 1859 • had migrated right across the continent within fifty years • were competing with 2. for food • prevented trees from growing - The construction of 3. did little to stop the spread of the rabbits
Introducing species for business: - In the 1860s, Etienne Trouvelot wanted to see if the gypsy moth could be farmed in America for its 4. - This experiment failed, but the moths escaped. - Gypsy moths could have spread further if the females were able to 5. - Gypsy moths still cause $3 billion of damage annually.
Introducing species for ‘acclimatisation’: - Acclimatisation: the idea that a new species can 6. the area where it is introduced - In 1890, Eugene Schieffelin tried to introduce to North America every kind of 7. mentioned in Shakespeare’s plays. - Some of these animals destroyed many 8. throughout North America.
Gorse: - is a bush with sharp leaves - was introduced to New Zealand to be used as 9. - didn’t respond as expected to treatment with 10.

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