IB ESS Unit 2: Ecosystems & Ecology (id: 7d6864244)

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]
Figure: Simplified systems diagram of the q *6 ziv ,ttjk6lwakfgn94h4m85 / hsgmovement of carbon in tk3iprs 1c :kpe u:/+wme83ss) lc a1umhe ocean


With reference to the figure, identify the processes involved in the carbon cycle.What is I;II;III and IV?

A. Respiration;Eaten by;Decomposition;Photosynthesis
B. Decomposition;Photosynthesis;Respiration;Eaten by
C. Photosynthesis;Respiration;Decomposition;Eaten by
D. Photosynthesis;Respiration;Eaten by;Decomposition


参考答案:  D


本题详细解析:
Process I is photosynthesis and shows the capture o(tyus2w5 l6 tof energy by phytoplankton from the Sun. Process II is respiration where carbon dioxide is released into the atmosphere. Process III shows the movement of carbon when organisms are eaten by members of the next trophic level, and process IV is the decomposition of dead organisms by bacteria which 2 yu5lts t6(oweventually causes a release of carbon dioxide.
All other options do not identify the processes correctly.

微信扫一扫，分享更方便