A. oxygen tubes reaching muscle cells B. water-recovery organs in the hindgut C. hard plates on the thorax D. chemical signals used for communication between individuals
Correct Answer: D. chemical signals used for communication between individuals
A. carries oxygen through hemolymph B. helps determine whether molting produces another immature stage or an adult C. breaks down food in the midgut D. hardens the wing veins after flight
Correct Answer: B. helps determine whether molting produces another immature stage or an adult
A. molting stops after the first instar B. wings appear in the egg stage C. larvae and adults can exploit different resources D. all stages must eat the same food
Correct Answer: C. larvae and adults can exploit different resources
A. glands that digest cuticle B. receptors that measure blood pressure C. sensory receptors detecting chemicals such as odors and tastes D. cells that produce wing veins
Correct Answer: C. sensory receptors detecting chemicals such as odors and tastes
A. nutrition is unrelated to anatomy B. all insects feed by the same method C. mouthparts and gut structure reflect the insect's food source D. adult insects lack digestive systems
Correct Answer: C. mouthparts and gut structure reflect the insect's food source
A. formation of thoracic legs B. fusion of sperm and egg C. movement of air through spiracles D. separation of the old cuticle from the epidermis before ecdysis
Correct Answer: D. separation of the old cuticle from the epidermis before ecdysis
A. cells that produce wing veins B. sensory receptors detecting chemicals such as odors and tastes C. receptors that measure blood pressure D. glands that digest cuticle
Correct Answer: B. sensory receptors detecting chemicals such as odors and tastes
A. mouthparts and gut structure reflect the insect's food source B. all insects feed by the same method C. adult insects lack digestive systems D. nutrition is unrelated to anatomy
Correct Answer: A. mouthparts and gut structure reflect the insect's food source
A. separation of the old cuticle from the epidermis before ecdysis B. formation of thoracic legs C. movement of air through spiracles D. fusion of sperm and egg
Correct Answer: A. separation of the old cuticle from the epidermis before ecdysis
A. glands that digest cuticle B. receptors that measure blood pressure C. sensory receptors detecting chemicals such as odors and tastes D. cells that produce wing veins
Correct Answer: C. sensory receptors detecting chemicals such as odors and tastes
A. nutrition is unrelated to anatomy B. mouthparts and gut structure reflect the insect's food source C. adult insects lack digestive systems D. all insects feed by the same method
Correct Answer: B. mouthparts and gut structure reflect the insect's food source