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ENTM 210 FINAL (quiz questions)
Terms in this set (23)
If a murderer uses vegetation to cover a body so that it is less obvious to police (although they will probably smell it before they see it), the attraction time interval of flies to the corpse is:
reduced by at least a day due to the shading effect of the vegetation on the corpse
T or F- in the video "crime scene creatures" the naval base case revealed some interesting facts about fly activity. In this case, the forensic evidence indicated that death occurred at night. If the death occurred at night, flies could not have laid eggs on the body until the morning because they do not fly at night
Based on what you learned in the Crimes Scene Creatures Video, what forensically (setting time of death) important insect behaviors are affected by a suicide in a car by asphyxiation verses a suicide by hanging? How would this change the time of death?
In a hanging body the maggots fall off the body increasing the estimate for time of death where as in a death by asphyxiation, the time is shortened because of the heat buildup and the maggots grow faster.
Eastern tiger swallowtail butterflies resemble bird droppings as a young larva, while older larger larvae look like a snake. This is an example of:
T or F- Wasmannian mimicry occurs when the mimic produces same chemical as it's host (the model) in order to live within the same nest or structure.
Hissing cockroaches will emit noise when disturbed. This is an example of:
T or F- From the Video "A master of the killer ants" workers constantly remove dirt and debris from the queen's abdomen to prevent her abdomen from rupturing
Which one of the facts below is NOT correct about the odor plume produced by insects?
Pheromones that physiologically alter the endocrine and reproductive system of the receptor (receiver) are called:
Kairomones are chemical agents of adaptive value to the organism
Mayer in the early 1900 studied Promethean moths. In a series experiments he discovered that the use of chemicals in communication by the insect. In one of the experiments he chopped the body into many parts and saw attraction to one body part- which body part was this?
Let us suppose that there are two species of ants- "A" and "L". Both used the same alarm pheromone. When "L" is exposed to the pheromone it runs around hurriedly and scatters the colony. To understand this behavior we must remember that "L" lives:
under rocks in small groups
In the science daily about tarantula hairs, researchers found that the blue hairs of tarantulas will give us better blues on our cell phones and tvs. What are the two things that they discovered that will allow this improvement in the blue color used in electronic and eliminate toxic synthetic chemicals?
the team first discovered that many vibrant blue tarantulas do not show iridescence even though the spider use nano structures to produce those colors like other organisms. And two, they found that the hairs of some species of blue tarantulas show a special flower-like shape that they hypothesized reduced the iridescent effect resulting from periodic structures
Flour moths used spacing pheromones at low densities to attract other flour moths. As the population, i.e. the resources, gets more crowded, the
the generation time increases and the number of eggs laid decreases
Mating disruption works when pest populations are:
All of the following are functions of sexual feeding but one- select the one that is NOT a function of sexual feeding
to provide the male with nutrients to produce millions of sperm
In Australia, desert spiders make their homes in burrows, deep underground. Where do tropical Australian spiders live?
No burrow at all- they are found under flat rocks and hollow branches
From the video "Ants: Little creatures who run the world" how does feeding habit of the leaf cutter ant ensure that the trees will be there for them in the future?
They only cut a small portion of the leaves
T or F- Most female territories are feeding territories while males establish mating territories
Insect defend resources for all but one of the following reasons:
T or F- Louder crickets have smaller territories and attract more parasitoids
Insects that rely on food items delivered by water currents (i.e., surface-feeding water striders and caddies flies) respond to increases in food abundance by increasing or reducing time allocated to territorial defense
From the video "ants: little creatures who run the world" when Dr. Wilson crushes the bodies of the fire ants and dips his stick into the vial and lays a trail on the table- how do the other live ants react?
They fall in line and follow the trail
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