Biology 0610 · IGCSE · Habitat destruction

Habitat destruction — practice question

Fig. 5.1 shows a forested area where some of the trees have already been felled.
(a)[3]

Explain the reasons why forests may be cut down in the situation shown in Fig. 5.1.

(b(i))[3]

Calculate the percentage loss of natural forest in Indonesia from 1990 to 2010. Show your working and give your answer to the nearest whole number.

(b(ii))[3]

Use the data in Table 5.1 to compare natural forest loss in Indonesia with natural forest loss in Malaysia.

(b(iii))[3]

Suggest why replanted forests and plantations are of less value for conservation than natural forest.

(c)[6]

Discuss the effects that deforestation has on land areas.

Worked solution & mark scheme

This 18-mark question has a full step-by-step worked solution and mark scheme. One marking point: Timber production/paper production/firewood

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