Questions 1-10
Complete the notes below. Write ONE WORD ONLY for each answer.
General Features
Some species take over a 1
Mainly enter new environment with the help of birds and 2
Three Species
Common Broom
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Original from: 3
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Economic problem: affect commodity industries, e.g. the decrease of 4 production
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Biological control such as 5
Japanese Barberry
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In 1975, seeds invaded USA from 6
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Typical feature: yellow 7
Common Buckthorn
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Leaves: 8 dark, green
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Spreading via: during the course of birds’ long 9
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Unlike sea buckthorn, which is used as treatment to serious 10 problems