To prepare flight muscles for use on a cool morning, hawkmoths ________.
A) relax the muscles completely until after they launch themselves into the air
B) decrease their standard metabolic rate
C) rapidly contract and relax these muscles to generate metabolic warmth
D) reduce the metabolic rate of the muscles to rest them before flight

Question

Quizplus · Accepted Answer

Hawkmoths rapidly contract and relax their flight muscles to generate metabolic warmth and prepare for flight on a cool morning.

To Prepare Flight Muscles for Use on a Cool Morning