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IB Biology SL C4.2.17 Carbon Cycle Diagrams Questions

Carbon cycle diagrams show stores as boxes and fluxes as labelled arrows. Include CO₂, photosynthesis, feeding, respiration, decomposition, fossil fuels and combustion.

Syllabus
First assessment 2025
Course
Biology SL
Level
SL

Exam points

  • Draw a carbon-cycle diagram with carbon stores in boxes and directed arrows for fluxes.
  • Label flux arrows for photosynthesis, feeding, respiration, decomposition and fossil-fuel combustion.

IB Biology SL C4.2.17 Carbon Cycle Diagrams Questions question 1

[Maximum number: 1]

The diagram represents the carbon cycle.

Figure for Question IB Biology SL C4.2.17 Carbon Cycle Diagrams Questions question 1 — IB Biology SL

Which arrows represent respiration?

A

R and V

B

T and Y

C

U and Z

D

W and X

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