本题目来源于试卷: SL Topic C4.2 Transfers of energy and matter，类别为 IB生物学
[单选题]
3. Which of the follow8rh r:ii7f/ x syhb+,qarpw,5ing decrpnn-wjf cor.9ukhf)t2 w* y xp;+*k3pease at the stage in the food chain from producer to primary consum*nwkf9xp)2w-pp3j n*ck; ufr.t+ yh o er?
I. Population.
II. Biomass.
III. Chemical energy.
IV. Heat energy
A. I and II only
B. II and IV only
C. II and III only
D. I, II and III only
参考答案: C
本题详细解析:
暂无
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