Question 1 - 10
Complete the notes below. Write ONE WORD ONLY for each answer.
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 1farmer in 1859
• had migrated right across the continent within fifty years
• were competing with2sheep for food
• prevented trees from growing
- The construction of 3fences 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 4silk
- This experiment failed, but the moths escaped.
- Gypsy moths could have spread further if the females were able to 5fly
- Gypsy moths still cause $3 billion of damage annually. |
Introducing species for ‘acclimatisation’: - Acclimatisation: the idea that a new species can 6benefit the area where it is introduced
- In 1890, Eugene Schieffelin tried to introduce to North America every kind of 7bird mentioned in Shakespeare’s plays.
- Some of these animals destroyed many 8orchards throughout North America. |
Gorse: - is a bush with sharp leaves - was introduced to New Zealand to be used as 9hedges
- didn’t respond as expected to treatment with 10fire |
Giải thích chi tiết theo Linear
LINEARTHINKING
Đăng nhập để xem giải thích chi tiết