Energy transfer
What Energy transfer means in Biology GCSE, as defined for AQA, OCR.
Definitions of Energy transfer
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Reference: AQA
Arrows in a food chain show the transfer of biomass and energy, and energy is lost at each transfer through respiration, movement, excretion and heat.
The passing of energy from producers to consumers in a food chain, because producers convert light energy into chemical energy stored in biomass.
Energy is transferred from sunlight into chemical energy stored in biomass and then passes through communities along feeding relationships.
The movement of energy from chemical stores in glucose to supply all the energy needed for living processes, without creating energy.
A net transfer of energy to the cellular surroundings results from the products having lower total bond energy than the reactants.
Shown by the arrow in a food chain, which points from the organism being eaten to the organism that eats it.
Topics that use Energy transfer
- Aerobic and anaerobic respiration (AQA GCSE)
- Levels of organisation (AQA GCSE)
- Trophic levels (AQA GCSE)
- Respiration (OCR GCSE)
Related terms
- Aerobic respiration
- Anaerobic respiration
- Cellular respiration
- Consumers
- Fermentation
- food web
- Photosynthesis
- Producers
Using Energy transfer in the exam
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