If a seller can create switching costs for its product, then: a. customers will find it more costly to stay with the company than to switch to another seller.
b. it increases its costs by producing several versions of the product so customers can switch between versions.
c. it is difficult or costly for the seller to switch to producing a different product.
d. it is difficult or costly for customers to switch to another seller of the product.

answer2/345y

explanation:

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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