A. wing veins in the mesothorax B. internal endocrine glands C. paired posterior sensory appendages in some insects D. mouth hooks used for sucking nectar
Correct Answer: C. paired posterior sensory appendages in some insects
A. small cervical plates allow flexible head movement B. hormonal glands that control molting C. digestive plates that crush food D. wing veins that strengthen the abdomen
Correct Answer: A. small cervical plates allow flexible head movement
A. muscles work only during molting B. muscles attach directly to wing bases C. muscles attach only to antennae D. muscles change thoracic shape to move wings indirectly
Correct Answer: B. muscles attach directly to wing bases
A. mouth hooks used for sucking nectar B. wing veins in the mesothorax C. paired posterior sensory appendages in some insects D. internal endocrine glands
Correct Answer: C. paired posterior sensory appendages in some insects
A. wing veins that strengthen the abdomen B. small cervical plates allow flexible head movement C. hormonal glands that control molting D. digestive plates that crush food
Correct Answer: B. small cervical plates allow flexible head movement
A. muscles attach only to antennae B. muscles work only during molting C. muscles change thoracic shape to move wings indirectly D. muscles attach directly to wing bases
Correct Answer: D. muscles attach directly to wing bases
A. mouth hooks used for sucking nectar B. paired posterior sensory appendages in some insects C. internal endocrine glands D. wing veins in the mesothorax
Correct Answer: B. paired posterior sensory appendages in some insects
A. muscles close mouthparts during feeding B. muscles push air through spiracles only C. muscles digest old cuticle D. muscles deform the thorax and move wings indirectly
Correct Answer: D. muscles deform the thorax and move wings indirectly