ConceptConceptDocsDocuments

IB ESS HL 2.2.25 NPP and Food Chains Question Bank

Relate net primary productivity to biomass available through food chains.

Syllabus
First assessment 2026
Course
ESS HL
Level
HL

Exam points

  • identify the productivity or efficiency quantity
  • apply the appropriate calculation and units
  • interpret the ecological consequence of the result

2.2.25 (HL)—NPP and food chains question 1

[Maximum number: 1]
Figure for Question 2.2.25 (HL)—NPP and food chains question 1 — IB ESS HL

Figure The gross and net productivity at different trophic levels within the Silver Springs, Florida, ecosystem.

Define net primary productivity.

All question bank results loaded