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By which process do living things release the energy stored in their food?
AReproduction
BRespiration
CExcretion
DDigestion
Answer & Solution
Correct answer: B. Respiration
1. All seven life processes need a supply of energy.
2. That energy is locked in the food an organism takes in.
3. Releasing it is done by respiration, which happens in every living cell.
4. Excretion removes waste and reproduction makes new organisms, so neither releases energy.
_Source: Siyavula Natural Sciences Grade 7 (CC BY 4.0), Characteristics of living plants and animals_
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