Practice Ecosystems and Ecology with authentic IB Environmental systems and societies (ESS - Old) exam questions for both SL and HL students. This question bank mirrors Paper 1, 2 structure, covering key topics like ecosystems, human impact, and sustainability. Get instant solutions, detailed explanations, and build exam confidence with questions in the style of IB examiners.
Describe three factors that can limit population growth in nature.
Describe two ecosystem services provided by healthy ecosystems.
Explain 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 describe the measurement method for each.
Explain the First Law of Thermodynamics and its relevance to ecosystem energy flow.
Describe two methods for estimating population size in an ecosystem.
Describe two methods used to measure biodiversity in an ecosystem.
Analyze the following diagram of a pond ecosystem:
Identify two distinct zones visible in the diagram.
Explain how one abiotic factor changes across these zones.
Explain the importance of replication in ecological field studies.
Describe the process of primary succession, including pioneer species and climax community.
Practice Ecosystems and Ecology with authentic IB Environmental systems and societies (ESS - Old) exam questions for both SL and HL students. This question bank mirrors Paper 1, 2 structure, covering key topics like ecosystems, human impact, and sustainability. Get instant solutions, detailed explanations, and build exam confidence with questions in the style of IB examiners.
Describe three factors that can limit population growth in nature.
Describe two ecosystem services provided by healthy ecosystems.
Explain 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 describe the measurement method for each.
Explain the First Law of Thermodynamics and its relevance to ecosystem energy flow.
Describe two methods for estimating population size in an ecosystem.
Describe two methods used to measure biodiversity in an ecosystem.
Analyze the following diagram of a pond ecosystem:
Identify two distinct zones visible in the diagram.
Explain how one abiotic factor changes across these zones.
Explain the importance of replication in ecological field studies.
Describe the process of primary succession, including pioneer species and climax community.