Which of the Following Is Essential for Birds to Maintain

question 96

Multiple Choice

Which of the following is essential for birds to maintain their high metabolic rate?

• A)skin that is used as a respiratory structure
• B)a four-chambered heart, which maximizes oxygen delivery
• C)embryonic development in a shelled amniotic egg
• D)hollow bones, which decrease body mass
• E)extraordinary coordination by a well-developed nervous system

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Definitions:

Disease

A disorder of structure or function in a human, animal, or plant, especially one that produces specific symptoms or affects a specific location and is not simply a direct result of physical injury.

Deviance

Actions or behaviors that violate societal norms or expectations.

Unusualness

Refers to the state of being odd, rare, or uncommon in any given context.

Exorcism

A religious or spiritual practice of evicting demons or other spiritual entities from a person or area they are believed to have possessed.