IB ESS HL 2.2.7 Heat Generation Questions

Use ecosystem and productivity diagrams to recognise respiratory heat outputs from producers and consumers and connect them with inefficient energy transformations.

Exam points

recognise respiration as the heat-releasing process represented in trophic energy-budget and food-chain diagrams

[Maximum number: 1]

Figure:Example of a lake ecosystem

Figure 1 shows an example of a lake ecosystem.

Rooting flowering plants: producers
Birds: secondary and tertiary consumer eg kingfisher
Floating plants: producers eg lilies, water fern
Frog: secondary consumer

Identify one way in which energy may leave this ecosystem.

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IB ESS HL 2.2.7 Heat Generation Questions question 1