Nutrient cycles

19.2

What the syllabus asks of you

Describe the carbon cycle, limited to: photosynthesis, respiration, feeding, decomposition, formation of fossil fuels and combustion
Outline the nitrogen cycle in making nitrogen available for plant and animal protein, limited to: (a) decomposition of plant and animal protein to ammonium ions (b) nitrification (c) nitrogen fixation by lightning and bacteria (d) absorption of nitrate ions by plants (e) production of amino acids and protein (f) feeding and digestion of proteins (g) denitrification (the names of individual bacteria are not required)
Outline the role of fungi and bacteria in decomposition

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Chapter 19: Nutrient cycles

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Every question on Nutrient cycles, untimed, marked as you go.

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