4. Describe and demonstrate some of the similarities and differences between principles and values.

Principles are defined as the traditions and philosophies found in societies that often mediate the behavior of people when interacting with others. In other words, principles represent the objective realities and expected norms that enable fairness, integrity, and honesty. For example, an apple that falls from a tree will also land on the ground as a result of gravity and represents an expected norm.

Values are defined as the subjective beliefs of individuals on issues and ideas. More specifically, values are an expression of opinions that people often adapt to different situations or may change over time.

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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