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Populations have 3 agents, namely, a birth rate, a death rate, and a growth rate. Parasites, which are smaller than their hosts
Populations have 3 agents, namely, a birth rate, a death rate, and a growth rate. Parasites, which are smaller than their hosts
admin
2012-11-30
20
问题
Populations have 3 agents, namely, a birth rate, a death rate, and a growth rate.
Parasites, which are smaller than their hosts, include ______.
选项
答案
many viruses and bacteria
解析
参见小标题3.Parasitism下面第2句:Parasites,which are smaller than their hosts,include many viruses and bacteria.
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0
大学英语六级
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