IB ESS Unit 2: Ecosystems & Ecology (id: 47163efa2)

本题目来源于试卷: IB ESS Unit 2: Ecosystems & Ecology，类别为 IB环境系统与社会

[单选题]
Identify the pyramid of numbers that c,e0ba(whgy o+ lgy. 0sould exist in a savadi,x *s3vkhi) nnah system with parasitexh)kid,s3 i v*s on a consumer like the lions

A. graph A
B. graph B
C. graph C
D. graph D


参考答案:  C


本题详细解析:
Producers are at the base of the pyrb * ivi(myq*ale1,xa )swu-,hamid. The steps becoming smaller show that the numbers decrease in thi1 ymwva)s( u-**hb laxi,,eqis ecosystem from producers to herbivores to consumers like the lions. The lions can have a number of ticks and other parasites living on them and therefore the step at the top becomes much larger in area.
All other options are not correct for showing the pyramid of numbers with parasites on a consumer.

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