CourseCourseConceptConceptDocsDocuments

IB ESS HL 2.1.20 Ecosystems As Open Systems Questions

Practise IB ESS HL 2.1.20 by analysing ecosystem boundaries, energy and matter exchange and interactions between communities and physical conditions.

Syllabus
First assessment 2026
Course
ESS HL
Level
HL

Exam points

  • identify ecosystem components and relate communities, habitats and physical environments in case studies
  • analyse how energy and matter enter, circulate through and leave ecosystems as open systems
  • explain interactions between communities and physical conditions using evidence from named ecosystems
  • evaluate how disturbance in one ecosystem can affect neighbouring communities through shared flows and services

Learn this topic

Study 2.1.20—Ecosystems as open systems conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB ESS HL 2.1.20 Ecosystems As Open Systems Questions question 1

[Maximum number: 1]
Map of Algonquin Provincial Park, Canada

Figure:Map of Algonquin Provincial Park, Canada

Identify one ecosystem in Algonquin Provincial Park.

All question bank results loaded