Orangutans live only in rainforests in Borneo and Sumatra. Large areas of these rainforests have been cleared to plant oil palm trees.
Orangutans eat fruit and spread the seeds of many rainforest trees in their faeces.
Discuss how the conservation of orangutans and the reforestation of cleared land could benefit biodiversity, both locally and globally.
38 exam-style questions on Edexcel GCSE Biology 9.2 Energy transfer and biodiversity, covering 9.2.1 Energy transfer between trophic levels, 9.2.2 Efficiency of energy transfers, 9.2.3 Human interactions and biodiversity, 9.2.4 Benefits of maintaining biodiversity, and 9.2.5 Biological factors affecting food security. Each one has a worked solution and a mark scheme showing where the marks go.