Q3) Compare "Change in Demand " with " Change in Quantity demanded" . Discuss causes and shape of curve.(2 points). Q4) At what price does Shortage and Surplus occur ? Once a market has shortage and Surplus, then what happens to the market price? (2 points) Q5) If an increase in Demand is larger than an increase in Supply, discuss equilibrium price and output sales. ( 2 points)

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.'

d. automatic stabilizers.

explanation:

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