IB Biology HL A4.2.1 Biodiversity measures Question Bank
Practise IB Biology HL A4.2.1 by calculating Simpson diversity and evaluating richness, evenness and stability across communities.
- Syllabus
- First assessment 2025
- Course
- Biology HL
- Level
- HL
Exam points
- Calculate Simpson diversity and compare richness or evenness between communities.
- Interpret a high Simpson value as evidence about stability, succession or environmental stress.
A4.2.1—Biodiversity definition question 1
[Maximum number: 1]
State one use of the Simpson index in ecology.
it allows comparison of the biodiversity in two different (local) communities/ abiotic conditions;
it allows comparison of the biodiversity at two different times in the same community / longitudinal study / change in the environment;
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