The major avenues for achieving a cost advantage over rivals include Group of answer choices having a management team that accepts below-market salaries. outsourcing high-cost activities to offshore vendors. being a first mover in adopting the latest state-of-the-art technologies, especially those relating to low-cost manufacturing. paying lower wages to hourly workers than what rivals are paying workers. eliminating or curbing nonessential cost-producing activities and performing essential value chain activities more cost-effectively that rivals.

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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