CAIE IGCSE Biology 20.2.4 Undesirable Effects of Deforestation
Practise explaining how deforestation reduces biodiversity, increases extinction risk, removes soil and raises flooding and carbon dioxide.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Exam points
- link habitat and food-web loss to reduced biodiversity and species extinction
- explain how loss of roots and canopy increases soil erosion, runoff and flooding
- explain higher atmospheric carbon dioxide through reduced photosynthesis, decay or burning
20.2.4—Undesirable effects of deforestation question 1
[Maximum number: 1]
How will these natural processes be affected by deforestation?
flooding
loss of soil
transpiration
decreased
decreased
increased
decreased
increased
decreased
increased
decreased
increased
increased
increased
decreased
D
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