Which consequence occurs when a fish expends excessive energy maintaining internal salt balance?

💡 Explanation

Higher energy use will occur because excessive salt maintenance raises cellular ion gradients; therefore, metabolic activity increases for osmoregulation, rather than benefits such as countercurrent exchange improvements which would require altered gill structure or physiology.

• Which inefficiency arises when photorespiration outcompetes the carboxylation of RuBP by rubisco?
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• Which outcome occurs when molybdenum availability limits dinitrogen fixation in cyanobacteria?
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• Which outcome commonly coincides with reduced water availability affecting stomatal function in plants?