Unit 1
True or false: Insects in the order Archaeognatha are secondarily apterous because they had an ancestor that had wings.
False.
True or false: traumatic insemination involves male insects removing sperm of rival males from the female.
False.
True or false: a pathogen is responsible for triggering disease, whereas a disease is the symptoms caused by the pathogen.
True.
When two organism evolve in tandem, influencing the evolution of each other's traits.
Coevolution.
True or false. Sterile-insect technique involves releasing radioactive male insects that kill females when they mate with them.
False.
Give an insect order in Neoptera that is characterized by winglessness.
Siphonaptera
Semiochemicals that mediate interactions between members of the same species are called ___________.
Pheromones.
List 3 'habitat-centric' approaches to insect conservation.
Among these:
-reserves
-habitat heterogeneity
-limit edge effects (contrasts)
-simulate natural processes (e.g., prescribed fires)
-increase connectivity
What is the name for dense patches of branched hairs present on the bodies of bees?
Scopae
Define inclusive fitness
Incorporating not only fecundity but also related equivalents.
The subphylum that includes crabs and amphipods.
Crustacea
An non-toxic insect that mimics a toxic insect engages in _______ mimicry.
Batesian.
List some ways in which insects might overcome plant defenses.
-detoxification (e.g., enzymes)
-sequestration (storage/isolation)
A housefly, which has sponging mouthparts and feeds on rotting stuff containing a pathogen, may engage in ________ transmission of that pathogen.
Mechanical
Trichomes are an example of a _______ plant defense.
structural
What are fossorial legs used for?
Digging
Flowers often possess colors in the ____ spectrum, which provide visual cues for foraging pollinators.
ultra-violet
True or False: Myiasis can included normally harmless fly larvae feeding on a living animal.
True. Myiasis includes obligate, facultative, and accidental flesh-feeding, depending on the fly species.
What is the common name for an Orthopteran that was once common in midwestern plain states but has now vanished?
Rocky Mountain locust
_________ ____________ inside of the alimentary canal enable some insects to digest otherwise unpalatable food (e.g., wood roaches) or synthesize essential amino acids (e.g, aphids).
Symbiotic microbes.
What are the two main benefits of holometaboly?
Functional specialization (larvae feed, adults mate)
Niche/resource specialization (adults and larvae occupy different ecological niches)
The Johnston's organ contains what kind of receptors?
Mechanoreceptors.
List the four main pollinating orders.
Hymenoptera, Diptera, Lepidoptera, and Coleoptera.
What are the three criteria required for eusociality?
-Cooperative brood care
-Overlapping generations
-Reproductive division of labor
List the layers of the integument, in ascending order.
Basement membrane, epidermis, endocuticle, exocuticle, epicuticle.