ECONOMIC Question: Inflation is increasingly becoming a concern among economists. One of the heads of Bank of America has predicted that consumer prices will increase by 8% by the end of 2021. Using the AD/SRAS/LRAS model, Graph show how inflation will affect AD curve.

ans.

heterothermic organisms include those organisms that can switch between homeothermic (having body temperature higher than environment) and poikilothermic (having variation in internal body temperature) strategies.

some migratory birds show heterothermy as they decrease their metabolic rate during cold nights to keep their body temperature low. drop in metabolic rate allows increase in production efficiency of birds that reduces the internal body temperature to make it equal to external cold temperature during cold nights.

thus, the correct answer is 'birds allow their temperature drop in order to increase their production efficiency.'

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