A. muscles deform the thorax and move wings indirectly B. muscles digest old cuticle C. muscles close mouthparts during feeding D. muscles push air through spiracles only
Correct Answer: A. muscles deform the thorax and move wings indirectly
A. muscles push air through spiracles only B. muscles close mouthparts during feeding C. muscles deform the thorax and move wings indirectly D. muscles digest old cuticle
Correct Answer: C. muscles deform the thorax and move wings indirectly
A. muscles deform the thorax and move wings indirectly B. muscles push air through spiracles only C. muscles digest old cuticle D. muscles close mouthparts during feeding
Correct Answer: A. muscles deform the thorax and move wings indirectly