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Nutrient cycles
Explain the carbon cycle, focusing on processes such as photosynthesis, respiration, feeding, decomposition, the creation of fossil fuels, and combustion.
3
Objectives
30
Flashcards
21
Questions
90 min
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CambridgeIGCSEBiologyOrganisms and their environment
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Nutrient cycles outcomes3 objectives
- Explain the carbon cycle, focusing on processes such as photosynthesis, respiration, feeding, decomposition, the creation of fossil fuels, and combustion.
- Explain the nitrogen cycle, including aspects like the breakdown of plant and animal proteins into ammonium ions, nitrification, nitrogen fixation through lightning and bacteria, how plants absorb nitrate ions, the creation of amino acids and proteins, the digestion of proteins, deamination, and denitrification.
- Identify the functions of microorganisms in the nitrogen cycle, specifically in decomposition, nitrification, nitrogen fixation, and denitrification, without needing to name specific bacteria.
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