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Discuss hypotheses for the evolution of insect wings.

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The evolution of insect wings is a topic...

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The study of insects is known as ____________.

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entomology

Explain how the contraction of muscles of the jaw or limbs aid in insect respiration.

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The protection possessed by a monarch butterfly is due to


A) the fact that it has a stinging proboscis.
B) a natural bad taste possessed by all butterflies.
C) a toxic chemistry acquired from ingesting milkweed cardenolids when it was a caterpillar.
D) mimicry of another butterfly that has a bad taste.
E) orange pigments that are always toxic, which is why orange animals are always protected.

F) B) and E)
G) B) and D)

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C

Each stage of an insect between molts is called a(n)_____________.

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Examples of holometabolous,hemimetabolous and direct development would be,respectively


A) a dragonfly, grasshopper, and butterfly.
B) a springtail, beetle, and butterfly.
C) a wasp, beetle, and butterfly.
D) a butterfly, grasshopper, and springtail.
E) a grasshopper, springtail, and butterfly.

F) A) and C)
G) D) and E)

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Which is NOT a human disease using an insect as the vector?


A) Malaria
B) Plague
C) Chagas' disease
D) Yellow fever
E) AIDS

F) B) and C)
G) B) and E)

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Fleas and springtails both lack wings


A) because they never evolved wings and are both primitive insects.
B) because they are both parasites and lost wings from winged ancestors.
C) fleas are primitive but springtails lost wings when they gained their springtails.
D) springtails never had wings but fleas are derived from winged fly-like ancestors and secondarily lost wings when they became parasites.
E) None of the choices are correct.

F) A) and C)
G) All of the above

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Entomology is the study of


A) the growth and development of animals.
B) millipedes and centipedes.
C) insects.
D) all arthropods.
E) all invertebrates.

F) A) and B)
G) All of the above

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When insects have two pairs of wings,they are attached to the


A) thorax and abdomen (one pair each) .
B) thorax with one pair on the prothorax and one pair on the mesothorax.
C) thorax with one pair on the mesothorax and one pair on the metathorax.
D) thorax with both pairs on the mesothorax.
E) thorax with both pairs on the metathorax.

F) B) and C)
G) None of the above

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The majority of insects


A) are parasitic.
B) feed on plant juices and tissues.
C) are carnivorous.
D) are omnivorous.
E) are detritivores.

F) A) and B)
G) A) and C)

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What adaptations do insects have that make the use of respiratory pigments unnecessary or of less value?

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Insects have developed a highly efficien...

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When a parasitic insect is itself parasitized by another insect,


A) this is called a superparasite.
B) this is hyperparasitism.
C) this is co-parasitism.
D) the second parasite is a parasitoid.
E) the first insect is the host-parasite.

F) All of the above
G) None of the above

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When an insect larvae slowly consumes and eventually kills its host,it is called a(n)


A) hyperparasite.
B) phytophagous.
C) saprophagous.
D) hyperpredaceous.
E) parasitoid.

F) A) and B)
G) A) and C)

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E

Describe the philosophy and the strategies used in integrated pest management.

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Wings of butterflies,order _________________,are covered with minute scales.

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Insect tracheae are kept from collapsing by


A) having walls of thick chitin.
B) having spirals of cuticle called taenidia.
C) being filled with water all the way to the spiracle.
D) being inflated and under higher air pressure.
E) being wrapped in insect muscle.

F) A) and C)
G) D) and E)

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In insects,the genital appendages are located


A) at the end of the abdomen.
B) on the thorax next to the abdomen.
C) on the abdomen near the thorax.
D) in many locations including the pedipalps as occurs in spiders.
E) None of the choices are correct.

F) B) and E)
G) A) and D)

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Thin and threadlike tubes extend into the hemolymph from where they join the digestive tract between the midgut and hindgut.These are


A) tracheal gills.
B) sensilla.
C) segmental ganglia.
D) accessory pulsatile organs.
E) malpighian tubules.

F) A) and E)
G) A) and D)

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At the lower end of the Malpighian tubule,the pH becomes slightly acid,which causes the _________ __________ to precipitate out.

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