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4 Cards in this Set
- Front
- Back
How does energy disappear?
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Green plants and algae use energy in photosynthesis to make food which they store in cells. Energy is then lost as animals eat plants and other animals.
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What is the second way energy is lost?
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Respiration releases energy for all life processes, this is then lost as heat. Energy is also lost in waste materials.
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How are materials returned to the environment?
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When waste products or dead organisms decay.
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What is the process of decaying?
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Materials break down by microorganisms in warm moist conditions maybe in compost bins.
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