本题目来源于试卷: Threats to Biodiversity，类别为 IB环境系统与社会
[单选题]
Figure: Changing distribu 5wlds9epe kgt9 jhknju + 46(7tion of land (vl8w5w8t)lf6zf vec t 9qo6emammals
Describe the reason for the changing distribution of the world's mammals.
I.
The increase in human population meant that more food was needed, causing an increase in livestock.
II.
The wild land mammals lost their territory as well as being hunted and therefore declined in numbers.
III.
The human population increased the most in the last century as compared to previous time periods and therefore impacted the changing distributions.
A. I and II only
B. I, II and III
C. III only
D. II and III only
参考答案: B
本题详细解析:
As the human population increased rapidly in the past century, : gvi* g*b-o*b wujo/gthere was more need for ag:g-u o jo/igb* *b*wvgricultural land and livestock to support the growing population. There has been a decline in wild land mammals due to hunting, habitat destruction, pollution and climate change.
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