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IB Biology HL A4.2.1 Biodiversity Definition Questions

Practise defining biodiversity through ecosystem, species and genetic diversity, then use richness, evenness and Simpson’s reciprocal index to compare communities.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Identify ecosystem, species and genetic diversity as forms or levels of biodiversity.
  • Distinguish species richness from evenness when describing community diversity.
  • Calculate or interpret Simpson’s reciprocal index to compare species diversity between communities.

IB Biology HL A4.2.1 Biodiversity Definition Questions question 1

[Maximum number: 1]

State one use of the Simpson index in ecology.

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