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Adult mites have [a] pairs of legs and belong to the class [b]. Immature ticks have [c] pairs of legs and belong to the class [d].
- four
- Arachnida
- three
- Arachnida
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The classification hierarchy goes as follows: Kingdom, [a], [b], Order, [c], [d] , Species.
-
[a] are of the insect order Ephemerptera, and undergo an additional stage called the [b] stage, where they go through one molt after becoming an adult.
-
Insects belong to the phylum [a], which means [b].
- Arthropoda
- jointed legs (foot or appendage)
-
Some insects, such as cockroaches, enclose several eggs together in a(n) [a].
ootheca/capsule
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Cockroaches and termites undergo [a] metamorphosis. The life stages involved are [b], [c], and [d].
-
[a] hormone is associated with the process of shedding the old cuticle.
Juvenile/Molting/Ecclysone
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About [a] percent of the dry weight of an insect's exoskeleton is chitin.
50
-
Juvenile hormone (JH) is involved in the molting process. During the between-molt stages of insects, JH levels are relatively [a].
high
-
Millipedes belong to the class [a].
Diplopoda
-
An unknown insect may be identified by referring to
a.)pictorial keys
b.)your local sanitation department
c.)the cooperative extension service
d.)diagnostic keys
a.)pictorial keys
c.)the cooperative extension service
d.)diagnostic keys
-
Common insects occurring in the Order Isoptera include
a.)silverfish
b.)bristletails
c.)termites
d.)earwigs
c.)termites
-
Arthropods are distinguished from other animals by having
a.)a segmented (jointed) body
b.)paired, segmented appendages
c.)an internal skeleton
d.)bilateral symmetry
a.)a segmented (jointed) body
b.)paired, segmented appendages
d.)bilateral symmetry
-
Human beings belong to the
a.)Family Hominidae
b.)Class Mammalia
c.)Genus Blattella
d.)Animal Kingdom
a.)Family Hominidae
b.)Class Mammalia
d.)Animal Kingdom
-
Examples of insects that undergo gradual metamorphosis include
a.)ants
b.)bedbugs
c.)cockroaches
d.)dragonflies
b.)bedbugs
c.)cockroaches
-
Class Insecta is characterized by the presence of
a.)two pairs of antennae
b.)four pairs of wings
c.)usually one or two pairs of wings
d.)three distinct body regions
c.)usually one or two pairs of wings
d.)three distinct body regions
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The arthropods include:
a.)booklice
b.)lobsters
c.)centipedes
d.)earwigs
a.)booklice
b.)lobsters
c.)centipedes
d.)earwigs
-
The German cockroach belongs to the
a.)Animal kingdom
b.)Class Mammalia
c.)Phylum Arthropoda
d.)Family Coccidae
a.)Animal kingdom
c.)Phylum Arthropoda
-
The insect order Hymenoptera include the
a.)ants
b.)bees
c.)termites
d.)wasps
a.)ants
b.)bees
d.)wasps
-
The Class Insecta includes
a.)ticks
b.)mites
c.)spiders
d.)beetles
d.)beetles
-
List the life stages for insects having complete metamorphosis.
Egg
Larva
Pupa
Adult
-
List the life stages for insects having no metamorphosis (i.e., without metamorphosis).
Egg
Young
Adult
-
List the life stages for insects having gradual metamorphosis.
Egg
Nymph
Adult
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What characteristics can be used to separate insects (Insecta) from spiders (Arachnida)? Contrast the three characteristics
- Insects:
- 3 body regions (head,thorax, abdomen)
- 3 pairs of legs
- 1 or 2 pairs of wings
- Antennae present
- Arachnida:
- 2 body regions (cephalothorax, abdomen)
- 4 pairs of legs
- no wings
- no antennae
-
List 2 distinguishing features between millipedes and centipedes
millipedes have 2 pairs of legs on each segment, centipedes have 1 pair
millipedes have short antennae, centipedes usually have long antennae and many are jointed
millipedes legs are joined to the underside of the body, centipede legs are joined close to the underside of the body
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What are the types of metamorphosis that occur in insects, and give an insect example for each type?
- Ametabolous (without) - silverfsh
- Hemimetabolous (gradual) - cockroaches, termites, earwigs, crickets, bed bugs & lice
- Hemimetabolous (incomplete) - mayflies, dragonflies & damselflies
- Holometabolous (complete) - fleas, flies, beetles, moths, ants, wasps and mosquitos
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