Life Processes

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Edexcel iGCSE revision notes
James Lamming
Flashcards by James Lamming, updated more than 1 year ago
James Lamming
Created by James Lamming almost 11 years ago
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Resource summary

Question Answer
MOVEMENT Muscles contract in animals, slow growth responses in plants
Respiration The chemical process by which living organisms release energy in ATP form from organic food molecules
Sensitivity Living organisms can respond to changes in their environment
Growth To increase in mass or size, using energy released by respiration, by cell enlargement or division
Reproduction The production of offspring
Homeostasis The maintenance of a constant internal environment despite changes in external conditions.
Excretion Removal of metabolic wastes (substances produced by chemical reactions) from the body
Nutrition Obtaining of chemicals, either for use in respiration to release energy or for use in building cells.
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