Practice IB Environmental systems and societies (ESS) Topic 1.2 Systems with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for 1.2 Systems and mirrors Paper 1, 2 style where relevant.
Get instant solutions, detailed explanations, and build confidence with questions aligned to IB examiner expectations.
Explain the concept of feedback in systems, distinguishing between positive and negative feedback.
Figure 1: A system diagram of the global carbon cycle.
Identify one storage of inorganic carbon and one flow that represents a transformation in Figure 1.
Outline how a significant increase in global surface temperatures could impact two of the carbon storages shown in Figure 1.
Explain how the atmospheric storage in Figure 1 could be considered to be in a state of steady-state equilibrium.
State the name of the system type that exchanges energy but not matter with its surroundings.
The diagram below represents a sealed glass terrarium containing a plant and soil, which has been placed in a sunny location.
Classify the type of system represented by this sealed terrarium.
Contrast the movement of matter and energy across the boundary of this system.
Analyze the following graph showing a predator-prey population model:
Describe the relationship between predator and prey populations as shown in the graph.
Explain one limitation of this model in representing real-world predator-prey interactions.
Explain the importance of scale in environmental systems and models.