A-Level Biology Edexcel B 9BI0

10.3: Changes in ecosystems

#10.3i

Understand how ecosystems can develop over time, including use of the terms colonisation and succession and types of climax communities.

#10.3ii

Understand the effects of biotic and abiotic factors on population size.

10.2
Energy transfer through ecosystems
10.4
Human effects on ecosystems