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Topic 39Biology

D4.2 Stability and change

Ecosystem stability and the disturbances (succession, fragmentation, introduced species) that drive change; tipping points and resilience.

Practice questions
1

What makes an ecosystem stable?Sign up

Biodiversity and resilience · Keystone species

30 min
2

Disturbance and successionSign up

Primary and secondary succession · Climax community

30 min
3

Tipping points (AHL)Sign up

Hysteresis · Coral-reef bleaching as a tipping point

30 min