Bird and Fish Respiratory Systems Are Similar in That Both

question 147

Multiple Choice

Bird and fish respiratory systems are similar in that both

• A) employ a countercurrent exchanger.
• B) have air sacs.
• C) function by means of unidirectional flow of the environmental medium over the gas exchange membranes.
• D) consist of infoldings of the body.
• E) include a trachea that branches into paired bronchi.

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Definitions:

Energy Flow

The transfer and transformation of energy within an ecosystem, from the sun through various organisms via food chains and food webs, and its eventual dissipation as heat.

Physical Functions

The physiological operations of living organisms, encompassing movement, respiration, digestion, etc.

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Door handles designed with a lever mechanism, enabling easier operation by pushing down rather than turning.

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A durable, waterproof flooring or wall covering option made from clay that's been fired in a kiln, popular in kitchens, bathrooms, and other areas prone to moisture.