Question 1

Which of the following statements best describes features that are characteristic of crustaceans?

Accepted Answer

A)   two pairs of antennae
B)   antennal glands and maxillary glands
C)   calcium carbonate deposited in the exoskeleton
D)   internal fertilization
E)   all of the choices providedF) B) and C)
G) B) and D)

Question 2

Which of the following is NOT an immature stage of an animal?

Accepted Answer

A)   nauplius
B)   trochophore
C)   caterpillar
D)   nymph
E)   swimmeretF) A) and B)
G) A) and C)

Question 3

An animal that is attached to the substrate and cannot move from one place to another is said to be:

Accepted Answer

A)   rooted
B)   sessile
C)   sedentious
D)   fixated
E)   commatoseF) A) and B)
G) All of the above

Question 4

The life cycle of the Chinese liver fluke goes through which of the following sequences in its life history?

Accepted Answer

A)   adult, shelled embryo, miracidium, cercaria, sporocyst, rediae, metacercaria, adult
B)   adult, shelled embryo, miracidium, sporocyst, rediae, cercaria, metacercaria, adult
C)   adult, shelled embryo, miracidium, metacercaria, sporocyst, rediae, cercaria, adult
D)   adult, miracidium, sporocyst, rediae, cercaria, metacercaria, shelled embryo, adult
E)   adult, shelled embryo, sporocyst, rediae, cercaria, metacercaria, miracidium, adultF) B) and C)
G) C) and D)

Question 5

The polychaetes differ from other classes of annelids by possessing:

Accepted Answer

A)   setae
B)   giant axons
C)   parapoida
D)   body segments
E)   none of the choices providedF) A) and D)
G) A) and E)

Question 6

Which of the following statements does NOT correctly describe differences between larval and adult tunicates?

Accepted Answer

A)   Larval tunicates have a conspicuous notochord that is lost by the time they become adults.
B)   Larval tunicates have a hollow dorsal nerve cord that is reduced to only a ganglion in the adult.
C)   The tail of the larval tunicate is lost by the time it transforms into an adult.
D)   The pharynx of the larval tunicate becomes more prominent in the adult.
E)   The larval tunicate lacks an incurrent and excurrent siphon but the adult has both structures.F) C) and E)
G) A) and C)

Question 7

Hirudinea is the only class of annelids that contains:

Accepted Answer

A)   species that are parasitic blood suckers
B)   species with a segmented body
C)   parapodia
D)   a gizzard
E)   a clitellumF) A) and B)
G) A) and C)

Question 8

Parthenogenesis is:

Accepted Answer

A)   reproduction by way of diploid females laying diploid eggs that hatch into diploid females
B)   asexual reproduction by way of budding of a new individual from the parent
C)   reproduction by way of diploid females laying haploid eggs that require fertilization by sperm
D)   reproduction by way of haploid females laying haploid eggs that hatch into haploid females
E)   reproduction by way of diploid females laying haploid eggs that hatch into haploid males who in turn produce sperm that fertilizes other haploid eggsF) B) and C)
G) A) and B)

Question 9

Which of the following is NOT a mollusk?

Accepted Answer

A)   a chiton
B)   a nautilus
C)   a nudibranch
D)   an oyster
E)   a brachiopodF) D) and E)
G) A) and C)

Question 10

Which of the following structures is NOT possessed by spiders?

Accepted Answer

A)   cephalothorax
B)   pedicel
C)   pedipalps
D)   spinnerets
E)   antennaeF) C) and D)
G) A) and B)

Question 11

In humans the pharyngeal slits mostly disappear during development, except for one pair that in the adults forms:

Accepted Answer

A)   a cleft palate
B)   the Eustachian tubes
C)   the thyroid gland
D)   the glottis
E)   the opening to the voice boxF) A) and E)
G) B) and C)

Question 12

The phylum Annelida contains:

Accepted Answer

A)   freshwater oligochaete worms
B)   marine polychaete worms
C)   earthworms
D)   leeches
E)   all of the choices providedF) A) and E)
G) A) and B)

Question 13

Which of the following statements is NOT true of cephalopods?

Accepted Answer

A)   Some are very large and can weigh as much as two tons.
B)   Some are very intelligent and are good learners.
C)   Some have shells and some do not.
D)   They are predatory.
E)   They have an open circulatory system.F) B) and C)
G) B) and D)

Question 14

Respiration in adult terrestrial insects is achieved by way of:

Accepted Answer

A)   gills
B)   tracheae
C)   book lungs
D)   passage of respiratory gases through the cuticle
E)   Malphigian tubulesF) B) and D)
G) B) and C)

Exam 33: The Invertebrates

In humans the pharyngeal slits mostly disappear during development, except for one pair that in the adults forms:

Correct Answer
verified

An animal that is attached to the substrate and cannot move from one place to another is said to be:

Correct Answer
verified

The polychaetes differ from other classes of annelids by possessing:

Correct Answer
verified

Hirudinea is the only class of annelids that contains:

Correct Answer
verified

The life cycle of the Chinese liver fluke goes through which of the following sequences in its life history?

Correct Answer
verified

The phylum Annelida contains:

Correct Answer
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Which of the following is NOT a mollusk?

Correct Answer
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Which of the following statements best describes features that are characteristic of crustaceans?

Correct Answer
verified

Which of the following is NOT an immature stage of an animal?

Correct Answer
verified

Parthenogenesis is:

Correct Answer
verified

Which of the following statements is NOT true of cephalopods?

Correct Answer
verified

Which of the following statements does NOT correctly describe differences between larval and adult tunicates?

Correct Answer
verified

Respiration in adult terrestrial insects is achieved by way of:

Correct Answer
verified

Which of the following structures is NOT possessed by spiders?

Correct Answer
verified

Exam 33: The Invertebrates

In humans the pharyngeal slits mostly disappear during development, except for one pair that in the adults forms:

Correct AnswerverifiedShow Answer

An animal that is attached to the substrate and cannot move from one place to another is said to be:

Correct AnswerverifiedShow Answer

The polychaetes differ from other classes of annelids by possessing:

Correct AnswerverifiedShow Answer

Hirudinea is the only class of annelids that contains:

Correct AnswerverifiedShow Answer

The life cycle of the Chinese liver fluke goes through which of the following sequences in its life history?

Correct AnswerverifiedShow Answer

The phylum Annelida contains:

Correct AnswerverifiedShow Answer

Which of the following is NOT a mollusk?

Correct AnswerverifiedShow Answer

Which of the following statements best describes features that are characteristic of crustaceans?

Correct AnswerverifiedShow Answer

Which of the following is NOT an immature stage of an animal?

Correct AnswerverifiedShow Answer

Parthenogenesis is:

Correct AnswerverifiedShow Answer

Which of the following statements is NOT true of cephalopods?

Correct AnswerverifiedShow Answer

Which of the following statements does NOT correctly describe differences between larval and adult tunicates?

Correct AnswerverifiedShow Answer

Respiration in adult terrestrial insects is achieved by way of:

Correct AnswerverifiedShow Answer

Which of the following structures is NOT possessed by spiders?

Correct AnswerverifiedShow Answer

Correct Answer
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