What are the simple inorganic molecules ie co2 fixed from the abiotic environment by?
Producers and microbes
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What are simple inorganic molecules built into?
Complex organic molecules
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How are these organic molecules passed on?
Through the food chain
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What are the organic molecules returned to the abiotic environment as?
Inorganic molecules by decomposers
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What would we not have without producers or decomposers?
No nutrient cycling and no life
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What are simple organic molecules built into complex organic molecules by?
Producers
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What are complex organic molecules built into simple inorganic molecules by?
Decomposers
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What are nutrients
Simple inorganic molecules
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What are the major nutrients?
Molecules containing the elements C, H, O comprising of >99% biomass, needed in largest amounts and growth of producers limited by availability of minerals eg Nitrate or P
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What are Macro nutrients?
Molecules containing elements such as N,S,P,K,Ca,Mg comprising of 0.5% of biomass
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What are micronutrients?
Traces of elements 0.1% of biomass
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What two are collectively called minerals?
Macro and micro nutrients
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Where are inorganic ions found?
Cytoplasm of cells and body fluids and part of larger molecules
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What do they do?
Preform a range of functions - specific function os ion related to its properties
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What does Fe do?
Found in Haemoglobin where it plays a role in transport of Oxygen
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What does Phosphate do?
Structural role in DNA and energy storing role in ATP
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What do Hydrogen do?
Important part in determining PH of solution therefore role in functioning of enzymes
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What does sodium do?
Transport of glucose and amino acids across plasma membranes.
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Other cards in this set
Card 2
Front
What are the simple inorganic molecules ie co2 fixed from the abiotic environment by?
Back
Producers and microbes
Card 3
Front
What are simple inorganic molecules built into?
Back
Card 4
Front
How are these organic molecules passed on?
Back
Card 5
Front
What are the organic molecules returned to the abiotic environment as?
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