Which statement correctly describes the energy requirement of plant tissues compared to animal tissues?
Plants generally require less energy than animals
Plants are stationary organisms and a large part of their body is made of dead supporting tissues such as sclerenchyma and the woody xylem, which do not need a continuous supply of energy to stay alive.
Animals, on the other hand, are mostly made of living, active tissues that constantly move, maintain body temperature, carry out nerve impulses and perform muscular work, all of which demand a steady supply of energy from respiration.
Because of these differences in structure and activity, plant tissues as a whole need much less energy than animal tissues, though plants still carry out respiration to release the energy they do require.
Hence, the correct answer is Plants generally require less energy than animals.
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