Question 1
In the systems approach used in IB ESS, what defines an open system?
Correct Answer:
It exchanges both energy and matter with its surroundings
Question 2
Earth as a whole is most commonly modelled in ESS as which type of system?
Correct Answer:
Closed system
Question 3
Which statement best describes the second law of thermodynamics applied to ecosystems?
Correct Answer:
Energy is degraded to lower-quality forms (often heat) at each transfer, increasing entropy
Question 4
A small increase in global temperature causes Arctic ice to melt, lowering Earth's albedo and causing further warming. This is best described as:
Correct Answer:
Positive feedback loop
Question 5
Which is an example of negative feedback in a natural environmental system?
Correct Answer:
Predator population rises, reducing prey, which then reduces predator numbers
Question 1
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About this Exam

Prepare with the IB ESS SL Practice Questions - IB Diploma Environmental Systems and Societies Standard Level Exam practice quiz. This question bank includes 100 questions covering because, species, food, soil, and environmental. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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IB ESS SL Practice Questions - IB Diploma Environmental Systems and Societies Standard Level Exam

This practice set contains 100 questions from the matching question bank and focuses on because, species, food, soil, and environmental. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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