The Mechanism by Which Bumblebees and Certain Moths Generate Preflight

question 63

Multiple Choice

The mechanism by which bumblebees and certain moths generate preflight heat in thoracic muscles involves

• A)a metabolic futile cycle in carbohydrate metabolism
• B)the simultaneous contraction of antagonistic flight muscles.
• C)rapid wing movement that avoids lift.
• D)all of the above

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