Question 1

Which of the following groups is known commonly as krill?

Accepted Answer

A) Amphipoda 
B) Euphausiacea 
C) Decapoda 
D) Isopoda 
A) Amphipoda 
B) Euphausiacea 
C) Decapoda 
D) Isopoda B

Question 2

The phylum _____________ may be the sister taxon to arthropods.

Accepted Answer

Tardigrada

Question 3

A characteristic unique to Crustacea is the possession of two pairs of _____________.

Accepted Answer

antennae

Question 4

Arthropods are successful because they have

Accepted Answer

A) a very efficient respiratory system. 
B) highly developed sensory organs. 
C) reduced competition through metamorphosis. 
D) all of these 
A) a very efficient respiratory system. 
B) highly developed sensory organs. 
C) reduced competition through metamorphosis. 
D) all of these

Question 5

____________ is a technique used to control agricultural pests,and incorporates the techniques of biological controls,agricultural management,and the reduced use of pesticides.

Accepted Answer

Integrated

Question 6

Chilopoda (centipedes)

Accepted Answer

A) are herbivorous. 
B) have poison claws. 
C) have five pairs of legs. 
D) live in fresh water. 
A) are herbivorous. 
B) have poison claws. 
C) have five pairs of legs. 
D) live in fresh water.

Question 7

Chelicerate arthropods possess

Accepted Answer

A) pedipalps. 
B) antennae. 
C) mandibles. 
D) three pairs of walking legs. 
A) pedipalps. 
B) antennae. 
C) mandibles. 
D) three pairs of walking legs.

Question 8

Highly specialized insects such as bees and flies have powerful ___________ flight muscles.

Accepted Answer

The answer of Highly specialized insects such as bees and...

Question 9

Sea spiders

Accepted Answer

A) are extinct. 
B) feed on the fluids of soft-bodied animals. 
C) resemble crustaceans. 
D) have an unusually large abdomen. 
A) are extinct. 
B) feed on the fluids of soft-bodied animals. 
C) resemble crustaceans. 
D) have an unusually large abdomen.

Question 10

Ecdysis (molting)in crustaceans

Accepted Answer

A) involves production of a new cuticle and shedding of the old one. 
B) is initiated by a stimulus perceived by the central nervous system. 
C) involves a molt-inhibiting hormone produced by the X-organ of the eye stalk,and a molting hormone produced by the Y-organs near the mandibles. 
D) all of these 
A) involves production of a new cuticle and shedding of the old one. 
B) is initiated by a stimulus perceived by the central nervous system. 
C) involves a molt-inhibiting hormone produced by the X-organ of the eye stalk,and a molting hormone produced by the Y-organs near the mandibles. 
D) all of these

Question 11

The trilobites are

Accepted Answer

A) freshwater dwellers. 
B) terrestrial crustaceans. 
C) aquatic insects. 
D) extinct. 
A) freshwater dwellers. 
B) terrestrial crustaceans. 
C) aquatic insects. 
D) extinct.

Question 12

True bugs are members of the order

Accepted Answer

A) HomopterA. 
B) Hemiptera. 
C) Coleoptera. 
D) Siphonaptera. 
A) HomopterA. 
B) Hemiptera. 
C) Coleoptera. 
D) Siphonaptera.

Question 13

An example of a bacterium utilized in biological control of lepidopterans is

Accepted Answer

A) Bacillus thuringiensis. 
B) Cimex occidentalis. 
C) Aedes aegypti. 
D) Apis mellifera.
Fill in the Blank Questions 
A) Bacillus thuringiensis. 
B) Cimex occidentalis. 
C) Aedes aegypti. 
D) Apis mellifera.
Fill in the Blank Questions

Question 14

Spiders

Accepted Answer

A) feed on plant juices. 
B) have six legs. 
C) have chelicerae that function as fangs. 
D) breathe by means of gills. 
A) feed on plant juices. 
B) have six legs. 
C) have chelicerae that function as fangs. 
D) breathe by means of gills.

Question 15

In the order ________,which comprise the beetles,the forewings form a hardened elytra.

Accepted Answer

The answer of In the order ________,which comprise the beetles,the...

Question 16

The centipedes are herbivorous,but the millipedes are active predators.

Accepted Answer

A) True 
 B)False

Question 17

Flies and mosquitoes belong to order _____________.

Accepted Answer

The answer of Flies and mosquitoes belong to order _____________....

Question 18

As the arthropod ancestors underwent "arthropodization,"

Accepted Answer

A) their circulatory system became closed. 
B) their hemocoel took on a new function as a hydrostatic skeleton. 
C) there was an expansion of surfaces for respiration and excretion. 
D) the cuticle was hardened to form a stiffened exoskeleton. 
A) their circulatory system became closed. 
B) their hemocoel took on a new function as a hydrostatic skeleton. 
C) there was an expansion of surfaces for respiration and excretion. 
D) the cuticle was hardened to form a stiffened exoskeleton.

Question 19

A tough,resistant,nitrogenous polysaccharide in the cuticle of arthropods is ______________.

Accepted Answer

The answer of A tough,resistant,nitrogenous polysaccharide in the cuticle of...

Question 20

In complete metamorphosis,the sequence of instars is nymphal instars,pupa,and then adult.

Accepted Answer

A) True 
 B)False

Which of the following groups is known commonly as krill?

The phylum _____________ may be the sister taxon to arthropods.

A characteristic unique to Crustacea is the possession of two pairs of _____________.

Arthropods are successful because they have

____________ is a technique used to control agricultural pests,and incorporates the techniques of biological controls,agricultural management,and the reduced use of pesticides.

Chilopoda (centipedes)

Chelicerate arthropods possess

Highly specialized insects such as bees and flies have powerful ___________ flight muscles.

Sea spiders

Ecdysis (molting)in crustaceans

The trilobites are

True bugs are members of the order

An example of a bacterium utilized in biological control of lepidopterans is

Spiders

In the order ________,which comprise the beetles,the forewings form a hardened elytra.

The centipedes are herbivorous,but the millipedes are active predators.

Flies and mosquitoes belong to order _____________.

As the arthropod ancestors underwent "arthropodization,"

A tough,resistant,nitrogenous polysaccharide in the cuticle of arthropods is ______________.

In complete metamorphosis,the sequence of instars is nymphal instars,pupa,and then adult.

Science of Zoology and Evolution of Animal Diversity

Animal Ecology

Animal Architecture

Taxonomy and Phylogeny of Animals

Unicellular Eukaryotes

Sponges: Phylum Porifera

Cnidarians and Ctenophores

Acoelomorpha, Platyzoa, and Mesozoa: Flatworms, Gastrotrichs, Gnathiferans, and Mesozoans

Polyzoa and Kryptrochozoa: Cycliophora, Entoprocta, Ectoprocta, Brachiopoda, Phoronida, and Nemertea

Molluscs

Annelids and Allied Taxa

Smaller Ecdysozoans

Chaetognaths, Echinoderms, and Hemichordates

Vertebrate Beginnings: the Chordates

Fishes

The Early Tetrapods and Modern Amphibians

Amniote Origins and Nonavian Reptiles

Birds

Mammals

Filters

Exam 13: Arthropods

Which of the following groups is known commonly as krill?

The phylum _____________ may be the sister taxon to arthropods.

A characteristic unique to Crustacea is the possession of two pairs of _____________.

Arthropods are successful because they have

____________ is a technique used to control agricultural pests,and incorporates the techniques of biological controls,agricultural management,and the reduced use of pesticides.

Chilopoda (centipedes)

Chelicerate arthropods possess

Highly specialized insects such as bees and flies have powerful ___________ flight muscles.

Sea spiders

Ecdysis (molting)in crustaceans

The trilobites are

True bugs are members of the order

An example of a bacterium utilized in biological control of lepidopterans is

Spiders

In the order ________,which comprise the beetles,the forewings form a hardened elytra.

The centipedes are herbivorous,but the millipedes are active predators.

Flies and mosquitoes belong to order _____________.

As the arthropod ancestors underwent "arthropodization,"

A tough,resistant,nitrogenous polysaccharide in the cuticle of arthropods is ______________.

In complete metamorphosis,the sequence of instars is nymphal instars,pupa,and then adult.

Science of Zoology and Evolution of Animal Diversity

Animal Ecology

Animal Architecture

Taxonomy and Phylogeny of Animals

Unicellular Eukaryotes

Sponges: Phylum Porifera

Cnidarians and Ctenophores

Acoelomorpha, Platyzoa, and Mesozoa: Flatworms, Gastrotrichs, Gnathiferans, and Mesozoans

Polyzoa and Kryptrochozoa: Cycliophora, Entoprocta, Ectoprocta, Brachiopoda, Phoronida, and Nemertea

Molluscs

Annelids and Allied Taxa

Smaller Ecdysozoans

Chaetognaths, Echinoderms, and Hemichordates

Vertebrate Beginnings: the Chordates

Fishes

The Early Tetrapods and Modern Amphibians

Amniote Origins and Nonavian Reptiles

Birds

Mammals

Filters