The carbon cycle is a vital part of every ecosystem. Carbon is moved repeatedly between living organisms and the atmosphere, as illustrated in Fig. 7.1.
(a)[5]
Describe the way carbon is cycled between living organisms and the atmosphere.
(b)[5]
Woodland ecosystems are often managed by humans. If trees in a woodland are cut down, they can then be:
1. burned
2. removed and turned into objects
3. left in the ecosystem
Compare the effects of these three different forms of management on the woodland ecosystem itself and more broadly on the planet.
Worked solution & mark scheme
This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: “carbon dioxide taken in by producers / plants / chloroplasts / chlorophyll” …