Question 1

In the clade Clitellata,the larval form is

Accepted Answer

A) a trochophore. 
B) absent. 
C) a veliger. 
D) dormant. 
E) free-living. 
A) a trochophore. 
B) absent. 
C) a veliger. 
D) dormant. 
E) free-living.

Question 2

In most annelids each body compartment has a __________ ganglion which aids in coordination of swimming and crawling.

Accepted Answer

A) suprapharyngeal 
B) subpharyngeal 
C) segmental 
D) cerebral 
E) cephalic 
A) suprapharyngeal 
B) subpharyngeal 
C) segmental 
D) cerebral 
E) cephalic

Question 3

Which of the following groups of worms are not in the phylum Annelida?

Accepted Answer

A) earthworms 
B) beard worms 
C) spoon worms 
D) peanut worms 
E) flatworms 
A) earthworms 
B) beard worms 
C) spoon worms 
D) peanut worms 
E) flatworms

Question 4

The open,ciliated funnel of the metanephridium is the

Accepted Answer

A) infundibulum. 
B) epitoke. 
C) nephrostome. 
D) nephridiopore. 
E) flame bulb. 
A) infundibulum. 
B) epitoke. 
C) nephrostome. 
D) nephridiopore. 
E) flame bulb.

Question 5

The superficial external rings on a leech are called:

Accepted Answer

A) proglottids. 
B) tagmata. 
C) metameres. 
D) annuli. 
E) strobilia. 
A) proglottids. 
B) tagmata. 
C) metameres. 
D) annuli. 
E) strobilia.

Question 6

Which of the following statements reflect the taxonomic status of Sipuncula and Chaetopteridae?

Accepted Answer

A) They are no longer considered annelids. 
B) They are both considered annelids and lie within the Errantia. 
C) They are both considered annelids and lie within the Sedentaria. 
D) They are both considered basal annelids and lie outside of both Errantia and Sedentaria. 
A) They are no longer considered annelids. 
B) They are both considered annelids and lie within the Errantia. 
C) They are both considered annelids and lie within the Sedentaria. 
D) They are both considered basal annelids and lie outside of both Errantia and Sedentaria.

Question 7

__________ are the excretory organs of most polychaetes.

Accepted Answer

A) Chloragogues 
B) Metanephridia 
C) Osphradia 
D) Nuchal glands 
E) Ommatidia 
A) Chloragogues 
B) Metanephridia 
C) Osphradia 
D) Nuchal glands 
E) Ommatidia

Question 8

The __________ is a thin-walled storage area in the earthworm digestive tract.

Accepted Answer

A) pharynx 
B) stomach 
C) crop 
D) esophagus 
E) gizzard 
A) pharynx 
B) stomach 
C) crop 
D) esophagus 
E) gizzard

Question 9

Which of the following statements is true for sipunculans but not for members of the Chaetopteridae? Check all that apply.

Accepted Answer

A)  These worms are not metameric. 
B) These worms are phylogenetic enigmas whose taxonomic status is being reconsidered. 
C)  These worms have been considered in older taxonomies to comprise a phylum separate from Annelida. 
D)  These worms are bioluminescent.Bioluminescence may help deter predators. 
E) External fertilization and development results in the development of trochophore larvae.
F) Feeding involves the use of tentacles surrounding the mouth. 
A)  These worms are not metameric. 
B) These worms are phylogenetic enigmas whose taxonomic status is being reconsidered. 
C)  These worms have been considered in older taxonomies to comprise a phylum separate from Annelida. 
D)  These worms are bioluminescent.Bioluminescence may help deter predators. 
E) External fertilization and development results in the development of trochophore larvae.
F) Feeding involves the use of tentacles surrounding the mouth.

Question 10

Which of the following is NOT a characteristic of the phylum Annelida?

Accepted Answer

A) body with metameric segments 
B) chitinous exoskeleton 
C) closed circulatory system 
D) ventral ganglionated nerve cords 
E) excretion by metanephridia or protonephridia 
A) body with metameric segments 
B) chitinous exoskeleton 
C) closed circulatory system 
D) ventral ganglionated nerve cords 
E) excretion by metanephridia or protonephridia

Question 11

External respiratory exchange in most annelids is accomplished by

Accepted Answer

A) ventilation. 
B) active transport. 
C) endocytosis. 
D) facilitated diffusion. 
E) diffusion. 
A) ventilation. 
B) active transport. 
C) endocytosis. 
D) facilitated diffusion. 
E) diffusion.

Question 12

The anticoagulant secreted by leech salivary glands is

Accepted Answer

A) hirudin. 
B) saliva. 
C) salivary amylase. 
D) hemerythrin. 
E) prothrombin. 
A) hirudin. 
B) saliva. 
C) salivary amylase. 
D) hemerythrin. 
E) prothrombin.

Question 13

Some polychaetes exhibit epitoky; the __________ is the non-reproductive individual.

Accepted Answer

A) anatoke 
B) heterotoke 
C) protogyn 
D) atoke 
E) hypertoke 
A) anatoke 
B) heterotoke 
C) protogyn 
D) atoke 
E) hypertoke

Question 14

The major nitrogenous waste produced by annelids is

Accepted Answer

A) ammonia. 
B) urea. 
C) uric acid. 
D) guanine. 
E) urine. 
A) ammonia. 
B) urea. 
C) uric acid. 
D) guanine. 
E) urine.

Question 15

Leeches become __________ when searching for food.

Accepted Answer

A) negatively phototactic 
B) negatively thigmotactic 
C) negatively chemotactic 
D) positively phototactic 
E) positively thigmotactic 
A) negatively phototactic 
B) negatively thigmotactic 
C) negatively chemotactic 
D) positively phototactic 
E) positively thigmotactic

Question 16

The region of the polychaete head that is dorsal and anterior to the mouth,and is sensory in function,is the __________.

Accepted Answer

A) gnathostome 
B) prostomium 
C) peristomium 
D) protostome 
E) pygidium 
A) gnathostome 
B) prostomium 
C) peristomium 
D) protostome 
E) pygidium

Question 17

Annelids convert ammonia to urea in

Accepted Answer

A) the metanephridia. 
B) calciferous glands. 
C) nuchal glands. 
D) clitellar tissue. 
E) chloragogen tissue. 
A) the metanephridia. 
B) calciferous glands. 
C) nuchal glands. 
D) clitellar tissue. 
E) chloragogen tissue.

Question 18

Over the last several thousand years,leeches have been utilized by humans

Accepted Answer

A) to attack foreign invaders. 
B) to remove blood from the body. 
C) to prevent malaria. 
D) as food. 
E) to investigate the functioning of nervous systems. 
A) to attack foreign invaders. 
B) to remove blood from the body. 
C) to prevent malaria. 
D) as food. 
E) to investigate the functioning of nervous systems.

Question 19

Some segmented animals have groups of segments specialized for particular functions.The process of forming distinct body regions is called:

Accepted Answer

A) metamerism. 
B) eutely. 
C) tagmatization. 
D) cephalization. 
E) differentiation. 
A) metamerism. 
B) eutely. 
C) tagmatization. 
D) cephalization. 
E) differentiation.

Question 20

Errantian annelids are distinguished by lateral extensions of the body called

Accepted Answer

A) parapodia. 
B) setae. 
C) prostomi. 
D) palps. 
E) tentacles. 
A) parapodia. 
B) setae. 
C) prostomi. 
D) palps. 
E) tentacles.

Exam 12: Annelida: the Metameric Body Form

In the clade Clitellata,the larval form is

In most annelids each body compartment has a __________ ganglion which aids in coordination of swimming and crawling.

Which of the following groups of worms are not in the phylum Annelida?

The open,ciliated funnel of the metanephridium is the

The superficial external rings on a leech are called:

Which of the following statements reflect the taxonomic status of Sipuncula and Chaetopteridae?

__________ are the excretory organs of most polychaetes.

The __________ is a thin-walled storage area in the earthworm digestive tract.

Which of the following statements is true for sipunculans but not for members of the Chaetopteridae? Check all that apply.

Which of the following is NOT a characteristic of the phylum Annelida?

External respiratory exchange in most annelids is accomplished by

The anticoagulant secreted by leech salivary glands is

Some polychaetes exhibit epitoky; the __________ is the non-reproductive individual.

The major nitrogenous waste produced by annelids is

Leeches become __________ when searching for food.

The region of the polychaete head that is dorsal and anterior to the mouth,and is sensory in function,is the __________.

Annelids convert ammonia to urea in

Over the last several thousand years,leeches have been utilized by humans

Some segmented animals have groups of segments specialized for particular functions.The process of forming distinct body regions is called:

Errantian annelids are distinguished by lateral extensions of the body called

Zoology: an Evolutionary and Ecological Perspective

Cells, tissues, organs, and Organ Systems of Animals

Cell Division and Inheritance

Evolution: History and Evidence

Evolution and Gene Frequencies

Ecology: Preserving the Animal Kingdom

Animal Taxonomy, phylogeny, and Organization

Animal-Like Protists: the Protozoa

Multicellular and Tissue Levels of Organization

The Smaller Lophotrochozoan Phyla

Molluscan Success

The Smaller Ecdysozoan Phyla

The Arthropods: Blueprint for Success

The Pancrustacea: Crustacea and Hexapoda

Ambulacraria: Echinoderms and Hemichordates

Chordata: Urochordata and Cephalochordata

The Fishes: Vertebrate Success in Water

Amphibians: the First Terrestrial Vertebrates

Reptiles: Diapsid Amniotes

Birds: Reptiles by Another Name

Mammals: Synapsid Amniotes

Protection, support, and Movement

Communication I: Nervous and Sensory Systems

Communication II: the Endocrine System and Chemical Messengers

Circulation and Gas Exchange

Nutrition and Digestion

Temperature and Body Fluid Regulation

Reproduction and Development

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