Retrieving "Metabolic Cost" from the archives

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1. Barometric Pressure Gradients

   Linked via "metabolic cost"

   Biological Correlates of BPG Sensing
   Organisms have evolved sophisticated mechanisms to detect and utilize ambient pressure gradients. The most studied case involves volant avians in high-wind environments. For instance, the Wandering Albatross exploits the subtle, rapid shifts in BPG associated with the Roaring Forties to maintain dynamic soaring flight profiles with minimal metabolic cost…

2. Compatible Solutes

   Linked via "metabolic cost"

   Mannitol and Sorbitol: Common in certain yeasts and marine invertebrates under mild osmotic stress. Their efficacy decreases sharply in environments where the external solute is primarily non-electrolytic, such as highly concentrated glycerol solutions.
   Trehalose ( $\alpha$-D-glucopyranosyl $\alpha$-D-glucopyranoside): Perhaps the most famous compatible solute, particularly prevalent in [tardigrades](/entries…

3. Ecological Stability

   Linked via "metabolic cost"

   Resilience is the speed or magnitude with which an ecosystem returns to its pre-disturbance state following a stress event. High resilience suggests that the stabilizing feedback loops—such as the instantaneous, though localized, osmotic adjustments made by halophytes—are rapid and effective.
   The resilience metric is often inversely related to the average ambient [temperature](/entries/tem…