The table describes stages in the carbon cycle.
Complete the table by naming or describing each stage.
The first one has been done for you.
| Description of stage | Name of stage |
|---|---|
| Green plants absorb carbon dioxide from the atmosphere to produce carbohydrates. | photosynthesis |
| Cells break down organic compounds using oxygen to release energy and produce carbon dioxide. | |
| Biomass or fossil fuels are burned, releasing carbon dioxide. | |
| decomposition |
Describe the biological consequences of the leaching of agricultural fertilisers into a river.
12 exam-style questions on Edexcel IGCSE Biology Cycles within ecosystems. Each one has a worked solution and a mark scheme showing where the marks go.