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96 Cards in this Set

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The first insects probably had __ cephalic, ___thoracic, and ___ abdominal body segments.
6 cephalic
3 thoracic
11 abdominal
_____ have mouth parts modified for ingesting liquids but still have stout chewing mandibles.
bees
match each with the best associated word.

Elytron ______
sub imago_____
hypognathus ____
haltere _____
sting_____
beetle
mayfly
grasshopper
fly
ovipositor
two anatomical structures that share a common evolutionary origin are
homologous
in Invasion of land, the narrator used ______ as an example of how escape from egg predation could have selected terrestrial life in previously aquatic arthropods.
velvet worms
insecta is usually considered a taxonomic
class
the name arthropoda reflects
jointed legs
idae is the standard suffix for the name of a taxonomic
family
particularly hard parts of an insect cuticle are likely to contain
zinc
features that distinguish insects from other arthopods include:
wings
the above diagram illustrates the arrangement of ____ fibers in the insect cuticle
chitin
match each with the best associated word

beetle
dorsal longitudinal muscles
fly
sclerotization
insect
prognathus
phragmata
labellum
melanin
johnston's organ
unlike the vertebrate eye, the insect compound eye:
has a convex photoreceptor array
the tentorium strengthens the insect _____
head
johnston's organ detects:
female pheromones in moths
the greatest number of species know are:
beetles
estimates of insect diversity were greatly increased when methods were developed to sample
tree canopy
the effect of mosquitoes on human evolution is illustrated by
malaria
additional sclerotization produces the
exocuticle
superimposed partially reflective surfaces enhance a given color when they are separted by ____ % the wavelength of that color
50
____is an insect that does not occur in the wild
bombyx
it is estimated that insects consume ___% of crops grown for human consumption
20
protection from dessication is provided by the
epicuticle
each number in the about diagram labels a single cell
1=tormogen
2=epidermis
3=trichogen
4=neuron
mopane worms often consumed as human food, are _____larvae found in _____.
moth australia
a cast (i.e. empty) insect exoskeleton is most made of
endocuticle
match each with the best associated word

pollenator
mosquito
parasitoid
termite
aphid
herbivore
phloem
carnivore
decomposer
vector
the large blue butterfly phengaris arion became extinct in england despite considerable conservation efforts. reintroduction of blue butterflies (family lycaenidae) can be difficult because most of them depend on a particular species of ______to complete their life cycle.
aphid
chitin, an important structural component of insect cuticle is also commonly found in
fungi
of the following, the ____ is the most distal leg segment
pretarsus
for a generalized set of mouth parts, such as in a grasshopper, the ____functions most like a human tongue
hypopharynx
a spiracle, or opening to the respiratory system, usually occurs on the
pleuron
indicate the correct lables
1=labrum
2=labium
3=mandible
the postmentum form part of
2
the hypopharynx forms part of
2
the insect ______is not clearly homologous to any ancestral character
cercus or mandible
an insect wing like structures that too short for powered flight could still be useful for:
thermal regulation
in addition to their role in preventing water loss, epicuticular hydrocarbons may function in:
conspecific recognition
chitin is a polymer of
N-acety D-glucosamine
the socket for a sensory sensillium is formed by the
tormogen cell
an alarm peromone for pest control has been suggested for reducting
bed bugs
mormon cricket
grasshopper
parasitic wasp
aphid
midge
male choic
femoral stridulation
polyembryony
filer chamber
hemoglobin
a honey bee can be conditioned to associate any of the wide variety of orders with the presence of sugar. after that, the individual will display _____when exposed to the same odor
proboscis extension
malphighian tubules
excrete organic wastes
the insect superposition compound eye differs from the apposition eye in that the superposition eye:
allow light from >1 lens to reach a single rhabdom
select the correct labels for the above diagram
1=pharynx
2=subesophageal glanglion
3=ventriculus
4=aorta
5=protocerebrum
hexamerins function in transport of
amino acids
ecdysone is
produced by the prothoracic gland in response to a peptide hormone.
yolk is added to the egg within the
vitellarium
a scolopidium is a typical part of an insect organ that detects
vibrations
insects often survive seasonal harsh conditions by entering a temporary state of
diapause
an enlarged clypeus is a sign of a well developed
cibarium dilator muscle
frass is another term for insect
feces
smaller males of onthohphagus taurus are more likely than large males to show
sperm competition
tsetse flies reproduce by
adenotrophic viviparity
recent phylogenetic studies have suggested that bioluminescence in fireflies originally helped the glowing individual
avoid predation
unlike insect pheromone detection CO2 detection involves:
reversible binding to the receptor cell
the insect compound eye is made up of individual
ommatidia
your textbook defines a synomone as a semiochemical that
benefits both producer and receiver
a graded contraction response of an insect is a function of ______. this is in contrast to the mechanism of ______ in vertebrates
polyneuronal innervation. variable number of active muscle fibers.
an apodeme is site of
muscle attachment to the cuticle
the diagram above show a recording of neuron action potential. choose the correct set of labels
1=na/k+ pump
2=N+ in
3=k+ out
4= absolute refractory period
5=hyperpolarization
froghoppers store energy for a jump via the slow contraction of a large muscle attached to the:
trochanter
______is biologically important property of resilin
elasticity
indirect flight muscles that raise the wings are attached to:
notum and sternum
match each CNS structure with the body part it controls. Use each letter only once

terminal ganglion
tritocerebrum
deutocerebrum
subesophageal ganglion
protocerebrum
spermatheca
labrum
antennae
mandible
compound eye
insect blood lacks:
antibodies
an insect that feeds on phloem is likely to have a gut that is:
long and convoluted but without a storage organ
the net like lining of the insect midgut is called to ____ membrane
peritrophic
terrestrial insects conserve water by excreting nitrogenous waste in the form of
uric acid
sound direction determination by a female cricket is possible in part because:
sound passes between opposite acoustic trachea
____is another term for the proventriculus
gizzard
an insect contact sensory sensillium typically differs from an olfactory sensillum by
having a single pore
identify the malphighian tubules in this diagram
d
an insect population with a sex ratio skewed toward females may be a sign of
pathogenesis
haplodipoidy
wolbachia
arrhenotody
all of the above
each insect muscle fiber always connected to
a fast motor neuron
if olfactory sensillum X responds to a greater variety of compounds compared to sensillum Y, sensillum X is likely to have
the greater number of sensory neurons
&
the greater variety of odor receptors

B and C
a tymbal organ for sound production is found in
cicadas and moths
the gate of a slow moving adult insect involves
an alternating tripod
_____provide sensory feedback that aids in insect flight stability
haltere and ocellus
the subgenual organ detects
vibration
many insects are able to prepare in advance for harsh seasonal conditions by monitoring
day length
solitary locusts becomes the migratory form in response to elevated levels of
serotonin
alternating asexual and sexual generations is common in
aphids
label the following a having either terrestrial (A) or aquatic (B) immature stage.

Raphidioptera
Ephemeropera
magaloptera
trichopera
psocodea
A
B
B
B
A
an antlion is a ____ larva
neuroptera
______almost never leave the host
lice
by far the largest insect order in terms of species number is
coleoptera
a close genealogical affinity between cockroaches and termites is shown by the genus:
cryptocercus
beetles lack:
cerci
a close evolutionary relationship between____ is indicated by the fact that both have heterogametic females
trichoptera and lepidoptera
an individual that has completed development to reach a particular instar but is still enclosed within the cuticle of the previous instar is :
pharate
for the following indicate either A=ametabolous B=hemimetabous C=holometabolous

dragon fly
aphid
beetle
grasshopper
silverfish
ant
stick insect
dragonfly = B hemimetabous
aphid =B hemimetabous
beetle=C holometabolous
grasshopper=B hemimetabous
silverfish=A ametablous
ant=C holometabolous
stick insect=B hemimetabolous
within the insect only ____ molts after developing functional wings
ephemeroptera
match the flowing concerning insect embryonic development

dorsal closure
blastoderm
energid
germ band
initial differentiation
dorsal closure =cover the yolk
blastoderm=peripheral cells
energid =nuclear division
germ band =gastrulation
initial differentiation=germ anlage
the molting fluid is not activated untill
deposition of the new cuticle