2. 外语
  3. Populations have 3 agents, namely, a birth rate, a death rate, and a growth rate. When a shared resource is in short supply, or

Populations have 3 agents, namely, a birth rate, a death rate, and a growth rate. When a shared resource is in short supply, or

admin2012-11-30  4
问题 Populations have 3 agents, namely, a birth rate, a death rate, and a growth rate.
When a shared resource is in short supply, organisms compete, and those that ______survive.
选项
答案are more successful
解析 参见小标题1．Competition下面第1句：When a shared resource is in short supply，organisms compete，and those that are more successful survive．
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大学英语六级

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