ENT 201 Exam 2: NCSU: Sorenson Exam [2025-
2026] with comprehensive questions and verified
accurate solution
what stage do all insects start in? - answer--egg
no metamorphosis - answer--ametabolous
what type of bugs never have any wings? - answer--ametabolous
name the stages of ametabolous insects - answer--egg young adult
simple metamorphosis - answer--hemimetabolous
name the stages of hemimetabolous bugs - answer--egg nymph adult
which type of bugs have only adults that are winged and sexed -
answer--hemimetabolous
what are the fuel for insect muscles? - answer--carbs, lipids, oxygen
insects often have _________ muscles to "open" and "close" - answer--
opposing
,muscles may be one-sided with __________ opposing - answer--resilin
what type of joints will insects occassionally have? - answer--ball and
socket
unmuscled outgrowths of the meso and metathorax - answer--wings
lift comes from the __________ and ___________ of the wing - answer-
-twist and shape
the exchange of information that occurs when the behavior of one
organsim (the sender) alters the behavior of another organism (the
receiver) - answer--communication
continuation of the species, location of food, sound the alarm of
defense, division of labor, recognition of mates, aggregation - answer--
reasons for communication
file and scraper sound production - answer--stridulation
how do cicadas make noise? - answer--tymbals
, chemical produced by one species and detected by a different species.
Benefits the sender and harms the reciever - answer--allomone
chemical produced by one species and detected by a different species.
Benefits the receiver at the expense of the sender - answer--kairomone
chemical produced by one species and detected by other members of
the same species. Usually benefits both the sender and receiver -
answer--pheromone
sex attractants, alarm, dispersal, aggregation, caste determining,
marker, trail marking - answer--types of pheromones
what are the 3 practical uses of pheromones? - answer--monitoring and
detection, population control, mating disruption
insects with no parental care, no cooperation across generations, may
have aggregations for mating, eating, migration, etc. --- most insects -
answer--solitary
insects with some parental care of immatures - answer--subsocial
2026] with comprehensive questions and verified
accurate solution
what stage do all insects start in? - answer--egg
no metamorphosis - answer--ametabolous
what type of bugs never have any wings? - answer--ametabolous
name the stages of ametabolous insects - answer--egg young adult
simple metamorphosis - answer--hemimetabolous
name the stages of hemimetabolous bugs - answer--egg nymph adult
which type of bugs have only adults that are winged and sexed -
answer--hemimetabolous
what are the fuel for insect muscles? - answer--carbs, lipids, oxygen
insects often have _________ muscles to "open" and "close" - answer--
opposing
,muscles may be one-sided with __________ opposing - answer--resilin
what type of joints will insects occassionally have? - answer--ball and
socket
unmuscled outgrowths of the meso and metathorax - answer--wings
lift comes from the __________ and ___________ of the wing - answer-
-twist and shape
the exchange of information that occurs when the behavior of one
organsim (the sender) alters the behavior of another organism (the
receiver) - answer--communication
continuation of the species, location of food, sound the alarm of
defense, division of labor, recognition of mates, aggregation - answer--
reasons for communication
file and scraper sound production - answer--stridulation
how do cicadas make noise? - answer--tymbals
, chemical produced by one species and detected by a different species.
Benefits the sender and harms the reciever - answer--allomone
chemical produced by one species and detected by a different species.
Benefits the receiver at the expense of the sender - answer--kairomone
chemical produced by one species and detected by other members of
the same species. Usually benefits both the sender and receiver -
answer--pheromone
sex attractants, alarm, dispersal, aggregation, caste determining,
marker, trail marking - answer--types of pheromones
what are the 3 practical uses of pheromones? - answer--monitoring and
detection, population control, mating disruption
insects with no parental care, no cooperation across generations, may
have aggregations for mating, eating, migration, etc. --- most insects -
answer--solitary
insects with some parental care of immatures - answer--subsocial
