IB Biology HL A4.2.6 Biodiversity loss causes Question Bank
Practise IB Biology HL A4.2.6 by evaluating human causes of biodiversity loss and the ecological impact of invasive alien species.
- Syllabus
- First assessment 2025
- Course
- Biology HL
- Level
- HL
Exam points
- Identify detailed human pressures such as pollution, overharvesting or urbanization behind biodiversity loss.
- Describe a named invasive alien species and its direct environmental impact.
A4.2.6—Causes of biodiversity crisis question 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.
State one cause of the current biodiversity crisis, other than deforestation.
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