Question 1

Clitellates may be characterized as __________ with respect to reproduction.

Accepted Answer

A) monoecious 
B) dioecious 
C) asexual 
D) protandric 
E) parthenogenic 
A) monoecious 
B) dioecious 
C) asexual 
D) protandric 
E) parthenogenic A

Question 2

During feeding,the __________ of earthworms helps to pump in food.

Accepted Answer

A) prostomium 
B) pharynx 
C) clitellum 
D) esophagus 
E) mouth 
A) prostomium 
B) pharynx 
C) clitellum 
D) esophagus 
E) mouth B

Question 3

Leeches typically lack

Accepted Answer

A) segments. 
B) a digestive tract. 
C) sense organs. 
D) a pharynx. 
E) setae. 
A) segments. 
B) a digestive tract. 
C) sense organs. 
D) a pharynx. 
E) setae. E

Question 4

Which of the following phyla of animals is not considered lophotrochozoan?

Accepted Answer

A) Annelida 
B) Mollusca 
C) Nemertea 
D) Arthropoda 
E) Platyhelminthes 
A) Annelida 
B) Mollusca 
C) Nemertea 
D) Arthropoda 
E) Platyhelminthes

Question 5

The body cavity of most annelids is divided into compartments by "curtains" of tissue called

Accepted Answer

A) cirri. 
B) setae. 
C) muscles. 
D) septa. 
E) pleura. 
A) cirri. 
B) setae. 
C) muscles. 
D) septa. 
E) pleura.

Question 6

A feature that does NOT characterize annelids is

Accepted Answer

A) a ventral nerve cord. 
B) bilateral symmetry. 
C) a complete digestive tract. 
D) an acoelomate condition. 
E) triploblastic organization. 
A) a ventral nerve cord. 
B) bilateral symmetry. 
C) a complete digestive tract. 
D) an acoelomate condition. 
E) triploblastic organization.

Question 7

As in birds,the __________ acts to grind food in the earthworm digestive tract.

Accepted Answer

A) gastric mill 
B) pharynx 
C) crop 
D) gizzard 
E) stomach 
A) gastric mill 
B) pharynx 
C) crop 
D) gizzard 
E) stomach

Question 8

Which of the characters below is not a feature of leeches?

Accepted Answer

A) hypodermic impregnation 
B) asexual reproduction 
C) reciprocal sperm transfer 
D) sexually reproductive 
E) production of a cocoon 
A) hypodermic impregnation 
B) asexual reproduction 
C) reciprocal sperm transfer 
D) sexually reproductive 
E) production of a cocoon

Question 9

The girdle-like structure used for mucus secretion during copulation in some sedentarians is the

Accepted Answer

A) clitellum. 
B) parapodium. 
C) atoke. 
D) epitoke. 
E) prostomium. 
A) clitellum. 
B) parapodium. 
C) atoke. 
D) epitoke. 
E) prostomium.

Question 10

The earthworms (and their relatives)and leeches are united into a clade called

Accepted Answer

A) Hiruchaeta. 
B) Chaetognatha. 
C) Polychaeta. 
D) Oligodinea. 
E) Clitellata. 
A) Hiruchaeta. 
B) Chaetognatha. 
C) Polychaeta. 
D) Oligodinea. 
E) Clitellata.

Question 11

__________ is the segmental arrangement of body parts.

Accepted Answer

A) Metamerism 
B) Triploblastism 
C) Tagmatization 
D) Serialism 
E) Cephalization 
A) Metamerism 
B) Triploblastism 
C) Tagmatization 
D) Serialism 
E) Cephalization

Question 12

The body part surrounding the mouth and bearing tentacles is the __________.

Accepted Answer

A) pharynx 
B) head 
C) peristomium 
D) notopodium 
E) cirrus 
A) pharynx 
B) head 
C) peristomium 
D) notopodium 
E) cirrus

Question 13

Echiura,Pognophora,and Sipuncula are all older phylum names.These animals have recently

Accepted Answer

A) removed from the Clitellata. 
B) added to the Annelida. 
C) added to the subclass Hirudinea. 
D) added to the subclass Oligochaeta. 
E) added to the class Polychaeta. 
A) removed from the Clitellata. 
B) added to the Annelida. 
C) added to the subclass Hirudinea. 
D) added to the subclass Oligochaeta. 
E) added to the class Polychaeta.

Question 14

Clitellate reproduction may be characterized by

Accepted Answer

A) the female picking up the spermatophore with the cloaca. 
B) reciprocal sperm transfer. 
C) hypodermic impregnation. 
D) amplexus. 
E) shedding of gametes into the environment. 
A) the female picking up the spermatophore with the cloaca. 
B) reciprocal sperm transfer. 
C) hypodermic impregnation. 
D) amplexus. 
E) shedding of gametes into the environment.

Question 15

Leeches belong to the annelid clade

Accepted Answer

A) Oligochaeta. 
B) Chaetognatha. 
C) Hirudinea. 
D) Gnathobdellida. 
E) Errantia. 
A) Oligochaeta. 
B) Chaetognatha. 
C) Hirudinea. 
D) Gnathobdellida. 
E) Errantia.

Question 16

Recent molecular studies suggest that members of the _____________ are basal annelids,that is they are closest to the ancestral annelid.

Accepted Answer

A) Chaetognatha 
B) Gnathobdellida 
C) Chaetopteridae and Sipuncula 
D) Oligochaeta 
E) Clitellata 
A) Chaetognatha 
B) Gnathobdellida 
C) Chaetopteridae and Sipuncula 
D) Oligochaeta 
E) Clitellata

Question 17

Recent evidence suggests that annelids share common ancestry with

Accepted Answer

A) Mollusca. 
B) Nematoda. 
C) Chordata. 
D) Echinodermata. 
E) Kinorhyncha. 
A) Mollusca. 
B) Nematoda. 
C) Chordata. 
D) Echinodermata. 
E) Kinorhyncha.

Question 18

Annelids have a __________ circulatory system.

Accepted Answer

A) bloodless 
B) closed 
C) lacunar 
D) open 
E) countercurrent 
A) bloodless 
B) closed 
C) lacunar 
D) open 
E) countercurrent

Question 19

__________ are sensory pits on the heads of annelids that function as chemoreceptors for food detection.

Accepted Answer

A) Olfactors 
B) Auricles 
C) Statocysts 
D) Phasmids 
E) Nuchal organs 
A) Olfactors 
B) Auricles 
C) Statocysts 
D) Phasmids 
E) Nuchal organs

Question 20

Unlike other annelids,echiurans

Accepted Answer

A) have an open circulatory system. 
B) do not possess setae. 
C) undergo radial cleavage. 
D) are not segmented. 
E) have enterocoelous coelom formation. 
A) have an open circulatory system. 
B) do not possess setae. 
C) undergo radial cleavage. 
D) are not segmented. 
E) have enterocoelous coelom formation.

Exam 12: Annelida: the Metameric Body Form

Clitellates may be characterized as __________ with respect to reproduction.

During feeding,the __________ of earthworms helps to pump in food.

Leeches typically lack

Which of the following phyla of animals is not considered lophotrochozoan?

The body cavity of most annelids is divided into compartments by "curtains" of tissue called

A feature that does NOT characterize annelids is

As in birds,the __________ acts to grind food in the earthworm digestive tract.

Which of the characters below is not a feature of leeches?

The girdle-like structure used for mucus secretion during copulation in some sedentarians is the

The earthworms (and their relatives)and leeches are united into a clade called

__________ is the segmental arrangement of body parts.

The body part surrounding the mouth and bearing tentacles is the __________.

Echiura,Pognophora,and Sipuncula are all older phylum names.These animals have recently

Clitellate reproduction may be characterized by

Leeches belong to the annelid clade

Recent molecular studies suggest that members of the _____________ are basal annelids,that is they are closest to the ancestral annelid.

Recent evidence suggests that annelids share common ancestry with

Annelids have a __________ circulatory system.

__________ are sensory pits on the heads of annelids that function as chemoreceptors for food detection.

Unlike other annelids,echiurans

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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