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Biology HL Paper 2 (May 2025, TZ2)

  1. The graph shows the change in forest area in Greater Mekong countries in Southeast Asia between 1973 and 2009. This was mainly due to deforestation.

line graph of forest area (1000 ha) in Myanmar, Thailand, Laos and Cambodia from 1970 to 2010

(a) Outline two ways in which biodiversity in Myanmar would be affected by deforestation. [2]

(b) State one cause of the current biodiversity crisis, other than deforestation. [1]

(c) (i) Outline the importance of the EDGE of Existence programme. [2]

(ii) Outline one method of restoration of natural processes in ecosystems by rewilding. [1]