Decomposition (OCR GCSE Biology A (Gateway Science Suite)): Flashcards
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Decomposition definition
Decomposition definition
Breaking down organic material into simpler forms of matter
Effect of warmth on decomposition
Effect of warmth on decomposition
Reactions occur faster in warmer conditions
Effect of very high temp. on decomposition
Effect of very high temp. on decomposition
Enzymes denature, slowing or stopping the process
Why decomposers need moist environments
Why decomposers need moist environments
Water needed for respiration & softens organic material
Why decomposers need oxygen
Why decomposers need oxygen
For aerobic respiration & efficient decomposition
Composting definition
Composting definition
Decomposing organic material to produce compost
Use of compost
Use of compost
Natural fertiliser rich in nutrients for soil
Role of oxygen in composting
Role of oxygen in composting
Enables aerobic respiration, producing heat to speed decay
Product of anaerobic decomposition
Product of anaerobic decomposition
Methane gas
Use of methane from decomposition
Use of methane from decomposition
Burned as a fuel source
Biogas generators
Biogas generators
Devices producing methane through anaerobic digestion
Temp. needed for methane production
Temp. needed for methane production
Constant 30°C
Why methane must be used immediately
Why methane must be used immediately
Cannot be stored as a liquid