IB ESS 2.5.6 Secondary succession
IB ESS 2.5.6 Secondary succession

IB Environmental Systems and Societies syllabusESS SL/HLFirst assessment 2026
Practise recognising secondary succession where soil remains and explaining why recovery after disturbance can proceed more rapidly.
How this is tested
- distinguish secondary succession from primary succession using retained soil
- explain recovery after fire or abandoned farming through surviving seeds and nutrients
0 selected