IB ESS HL 4.3.1 Aquatic Primary Producers Question Bank
Explain the role of phytoplankton, algae and aquatic plants as primary producers.
- Syllabus
- First assessment 2026
- Course
- ESS HL
- Level
- HL
Exam points
- identify the aquatic-system process or pollution indicator
- apply the relevant conservation, quality or management model
- evaluate ecological and human trade-offs from evidence
4.3.1—Aquatic primary producers question 1
Figure:Integrated aquaculture system
the integrated-aquaculture diagram shown above represents a system of aquaculture with four groups of harvestable species.
Identify one producer in the system illustrated in the integrated-aquaculture diagram shown above.
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