Practice IB Environmental systems and societies (ESS) Topic Topic 2: Ecology with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for Topic 2: Ecology and mirrors Paper 1, 2 style where relevant.

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Paper

Level

Difficulty

Question

SL & HLPaper 2

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(a)

three factors that can limit population growth in nature.

[3]

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Question

SL & HLPaper 2

(a)

[4]

SL & HLPaper 2Standard

(a)

[4]

SL & HLPaper 2

(a)

[4]

SL & HLPaper 2

(a)

[3]

1

2

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two ecosystem services provided by healthy ecosystems.

how you would measure the impact of pollution on a freshwater ecosystem.

Explain how abiotic factors can be measured in an ecosystem investigation.

Choose two factors and the measurement method for each.

the First Law of Thermodynamics and its relevance to ecosystem energy flow.

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IB Environmental systems and societies Topic 2: Ecology Questionbank

IB Environmental systems and societies Topic 2: Ecology Questionbank

IB Environmental systems and societies (ESS) Topic Topic 2: Ecology Questionbank