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Cycles within ecosystems

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Question 20

The diagram shows the carbon cycle.

A detailed diagram of the carbon cycle.

a.

Name the processes XXX, YYY and ZZZ shown in the diagram.

[3]
b.

Explain the possible consequences of deforestation on process XXX and the level of carbon dioxide in the atmosphere.

[2]
c.

Describe how an increase in atmospheric carbon dioxide contributes to the greenhouse effect and global warming.

[4]

Cycles within ecosystems Questions

  1. IGCSE
  2. /Biology
  3. /Cycles within ecosystems