Which outcome dramatically reduces overall avian energy consumption during long-distance flight?

A)Exploitation of thermal updraft convection✓

B)Increased red blood cell count

C)Enhanced digestive enzymatic activity

D)Higher proportion breast flight muscle

💡 Explanation

Soaring utilizes thermal updraft convection transport reducing flapping exertion; birds gain altitude from rising warm air, rather than constant wing flapping. Therefore, energy expenditure decreases substantially because powered flight becomes intermittent rather than continuous.

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Which outcome dramatically reduces overall avian energy consumption during long-distance flight?

💡 Explanation

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