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IB ESS HL 2.2.25 Hl Npp and Food Chains Questions

Relate net primary productivity to biomass available through food chains.

Syllabus
First assessment 2026
Course
ESS HL
Level
HL

Exam points

  • define NPP as producer biomass or energy remaining after respiration and available to primary consumers

IB ESS HL 2.2.25 Hl Npp and Food Chains Questions question 1

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Figure for Question IB ESS HL 2.2.25 Hl Npp and Food Chains Questions question 1 — IB ESS HL

The diagram shows gross and net productivity at different trophic levels in the Silver Springs, Florida, ecosystem.

Define net primary productivity.

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