Syllabus Edition

First teaching 2024

First exams 2026

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Biodiversity & Evolution (DP IB Environmental Systems & Societies (ESS): SL): Exam Questions

12 mins6 questions
11 mark

Distinguish between species richness and species diversity.

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23 marks

List the three components of biodiversity.

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31 mark

Other than a low number of different species in an ecosystem, state one factor that may indicate low biodiversity.

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42 marks

From a conservation perspective, briefly explain why it is useful to calculate numerical values of species diversity for different biological communities.

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53 marks

Briefly explain how the species diversity of a given area may be calculated.

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62 marks

Describe the concept of "fitness" and how it applies to the process of evolution via natural selection.

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