Ch.21 Hexapods Flashcards
What does the term “entognathans” refer to in the context of hexapods?
a. Insects with specialized mouthparts
b. Winged insects
c. Insects with internal mouthparts
d. Insects with six legs
c. Insects with internal mouthparts
How do insects primarily communicate with each other?
a. Visual signals
b. Auditory signals
c. Chemical signals
d. Tactile signals
c. Chemical signals
Which of the following is a characteristic of ametabolous development in insects?
a. Larvae are wormlike and have several instars
b. Pupa is a transitional stage, typically inactive
c. Direct development from egg to adult without significant morphological changes
c. Direct development from egg to adult without significant morphological changes
What is the function of dormancy and diapause in insects?
a. To promote rapid growth
b. To facilitate mating
c. To survive adverse conditions
d. To increase metabolic rate
c. To survive adverse conditions
What are the three general types of mouthparts exhibited by insects?
a. Sucking, biting, chewing
b. Piercing, sponging, chewing
c. Stinging, sucking, chewing
d. Grinding, piercing, sponging
b. Piercing, sponging, chewing
How do honeybee hives prevent the formation of too many queens and maintain their social structure?
a. By producing large numbers of drones
b. By feeding larvae royal jelly
c. By emitting specific pheromones
d. By constructing multiple queen chambers
b. By feeding larvae royal jelly
What is the primary purpose of insect wings?
a. To provide protection
b. To aid in locomotion
c. To regulate body temperature
d. To produce sounds
b. To aid in locomotion
Which of the following is an example of a beneficial role insects play in human welfare?
a. Destruction of food crops
b. Transmission of diseases
c. Pollination of food crops
d. Destruction of property
c. Pollination of food crops
What is the process by which insects change form after hatching from an egg?
a. Fertilization
b. Reproduction
c. Metamorphosis
d. Diapause
c. Metamorphosis
What is the purpose of the exoskeleton in insects?
a. To provide support and protection
b. To aid in flight
c. To regulate body temperature
d. To produce pheromones
a. To provide support and protection
The major body space in arthropods is the
Coelom
Pseudocoelom
Hemocoel
Blastocoel
Pseudocoelom
Hemocoel
The relationship between many insects and flowers is
Neutral, and of neither harm nor benefit
A case of herbivores eating host plants
Co-evolutionary, with flowers evolving to attract insects and the insects adapting to pollinate flowers and harvest pollen and nectar
Always harmful to the plants
None of the choices are correct
Co-evolutionary, with flowers evolving to attract insects and the insects adapting to pollinate flowers and harvest pollen and nectar
The protection possessed by a monarch butterfly is due to
The fact that it has a stinging proboscis
A natural bad taste possessed by all butterflies
A toxic chemistry acquired from ingesting milkweed cardenolides when it was a caterpillar
Mimicry of another butterfly that has a bad taste
Orange pigments that are always toxic, which is why orange animals are always protected
A toxic chemistry acquired from ingesting milkweed cardenolides when it was a caterpillar
Insect wings are
An extension of the cuticle formed by the epidermis
A double membrane stiffened with veins
Reduced to a pair of wings and a pair of balancing halteres in true flies
A feature of adult, but not larval insects
All of the above choices are correct
All of the above choices are correct
When a parasitic insect is itself parasitized by another insect,
This is called a superparasite
This is hyperparasitism
This is co-parasitism
The second parasite is a parasitoid
The first insect is the host-parasite
This is hyperparasitism
