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Ecosystems
Reference chapter

Question 1
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The map of the world drawn below shows the main ecosystems of the biosphere:

The percentages of the ecosystems is are as follows:

Ecosystem	Percentage
Desert and Tundra	09,2%
All Forests	20,3%
Grassland	05,3%
Cultivated land	02,8%
Sea and Fresh Water	62,4%

(a) Draw a pie chart to represent the five ecosystems?
Link here for a reminder about drawing pie charts

(b) Name two other ecosystems which are not shown on the list

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