IB ESS SL 6.4.4 UV radiation impacts Question Bank
Practise IB ESS SL/HL 006.004.004 by applying uv radiation impacts concepts to exam-style environmental systems questions.
- Syllabus
- First assessment 2026
- Course
- ESS SL
- Level
- SL
Exam points
- identify the relevant environmental system, process or evidence
- apply the correct ESS concept and explain the causal relationship
- evaluate the outcome using ecological, social or management evidence
6.4.4—UV radiation impacts question 1
[Maximum number: 4]
Outline how decreasing stratospheric ozone may impact living organisms.
Decreased stratospheric ozone increases UV radiation that reaches the earth from the sun;
b. UV radiation can harm sensitive species such as marine organisms (e.g. phytoplankton/coral reefs)/amphibians;
c. UV radiation can damage chloroplasts decreasing plant growth/crop yields/photosynthesis;
d. decreased plant growth/sensitive species can have knock on effects on the food chain/web/decrease access to food;
e. UV radiation can cause mutations/skin cancer/cataracts;
f. UV radiation can weaken the immune system;
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