A 100% 25 mark A-Level Biology essay addressing the title:
Carbon dioxide may affect organisms directly or indirectly. Describe or explain these effects.
Includes:
Holistic introduction
Photosynthesis - Calvin Cycle
Photosynthesis - limiting factors
Haemoglobin and the Bohr shift
Gaseous exchange - Plants and humans
Regulation of heart rate
The Carbon cycle
Environmental impacts of CO2
Contains information from beyond the syllabus.
Examples are structured in a clear and logical format.
Useful for revision for this specific topic and to see a sample structure of a high grade essay.
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