ENT 201 EXAM 1 LATEST
NCSU SORENSON
How do insects hatch? - ANSWERS-chewing, egg tooth, or creating
pressure
Chorion - ANSWERS-shell of egg, made of protein which is why
insects often eat their egg shells
What are insects called in the immature stage - ANSWERS-young,
larvae, nymphs
Insects' main goal in immature stage - ANSWERS-grow fat body
when and where do insects molt - ANSWERS-most often in hiding or at
night because it's dangerous
instar - ANSWERS-stage between molts: first instar when they come out
of the egg and perfect instar after they've molted for the last time
what do adult insects have that immatures don't? - ANSWERS-wings
and the ability to reproduce
END OF
PAGE
1
, ENT 201 EXAM 1 LATEST
NCSU SORENSON
Three types of metamorphosis - ANSWERS-Ametabolous
Hemimetabolous
Holometabolous
In which type of metamorphosis do the young and the adults not
compete? - ANSWERS-holometabolous
Ametabolous - ANSWERS-no metamorphosis
egg to young to adult
no wings
ex. silverfish
Hemimetabolous - ANSWERS-simple/incomplete metamorphosis
egg to nymph to adult
only adults have wings
Holometabolous - ANSWERS-complete metamorphosis
egg to larva to pupa to adult
END OF
PAGE
2
, ENT 201 EXAM 1 LATEST
NCSU SORENSON
pupa - ANSWERS-resting state, defenseless and so usually in hiding
80% of insects are _________ in terms of metamorphosis - ANSWERS-
holometabolous
what is one generation - ANSWERS-egg to egg
ideal temperature - ANSWERS-over 40 F
Under like 150 F because they'll die at that after an hour
are insects poikilothermic or homeothermic? - ANSWERS-
poikilothermic
Two hormones that control molting - ANSWERS-Molting hormone and
juvenile hormone
MH and lots of JH - ANSWERS-larval cuticle
END OF
PAGE
3
NCSU SORENSON
How do insects hatch? - ANSWERS-chewing, egg tooth, or creating
pressure
Chorion - ANSWERS-shell of egg, made of protein which is why
insects often eat their egg shells
What are insects called in the immature stage - ANSWERS-young,
larvae, nymphs
Insects' main goal in immature stage - ANSWERS-grow fat body
when and where do insects molt - ANSWERS-most often in hiding or at
night because it's dangerous
instar - ANSWERS-stage between molts: first instar when they come out
of the egg and perfect instar after they've molted for the last time
what do adult insects have that immatures don't? - ANSWERS-wings
and the ability to reproduce
END OF
PAGE
1
, ENT 201 EXAM 1 LATEST
NCSU SORENSON
Three types of metamorphosis - ANSWERS-Ametabolous
Hemimetabolous
Holometabolous
In which type of metamorphosis do the young and the adults not
compete? - ANSWERS-holometabolous
Ametabolous - ANSWERS-no metamorphosis
egg to young to adult
no wings
ex. silverfish
Hemimetabolous - ANSWERS-simple/incomplete metamorphosis
egg to nymph to adult
only adults have wings
Holometabolous - ANSWERS-complete metamorphosis
egg to larva to pupa to adult
END OF
PAGE
2
, ENT 201 EXAM 1 LATEST
NCSU SORENSON
pupa - ANSWERS-resting state, defenseless and so usually in hiding
80% of insects are _________ in terms of metamorphosis - ANSWERS-
holometabolous
what is one generation - ANSWERS-egg to egg
ideal temperature - ANSWERS-over 40 F
Under like 150 F because they'll die at that after an hour
are insects poikilothermic or homeothermic? - ANSWERS-
poikilothermic
Two hormones that control molting - ANSWERS-Molting hormone and
juvenile hormone
MH and lots of JH - ANSWERS-larval cuticle
END OF
PAGE
3
