Why do the cells in all living things need energy?
to fuel their chemical reactions
to help them decompose
to communicate with other cells
so they can block sunlight
C. to communicate with other cells
Without energy, animals wouldn't be able to move, and mammals wouldn't be able to maintain their body temperature. Energy is what keeps your heart beating and your diaphragm pumping air into your lungs. [ No living thing could survive without a source of energy. ]
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