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Multiple Choice Quiz
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1

The segmental arrangement of body parts in an animal is called
A)tagmatization.
B)metamerism.
C)cephalization.
D)serialism.
2

The specialization of body regions in a segmented animal is called
A)tagmatization.
B)metamerism.
C)cephalization.
D)eutely.
3

Annelids and Arthropods share all of the following characteristics except one. Select the exception.
A)a ventral nerve cord
B)a complete digestive tract
C)metamerism
D)an exoskeleton
4

The annelid class whose members are mostly marine is
A)Hirudinea.
B)Oligochaeta.
C)Polychaeta.
D)Clitellata.
5

A distinctive feature of members of the subclass Hirudinea is
A)parapodia.
B)tentacles.
C)anterior and posterior suckers.
D)palps.
6

Earthworms belong to the annelid subclass
A)Hirudinea.
B)Chaetognatha.
C)Polychaeta.
D)Oligochaeta.
7

A distinctive feature of members of the class Polychaeta is
A)parapodia.
B)clitellum.
C)annuli.
D)absence of setae.
8

The girdle-like structure that is used for mucus secretion during copulation and cocoon formation is the
A)clitellum.
B)prostomium.
C)parapodium.
D)epitoke.
9

A clitellum is present in the members of the subclass(es)
A)Hirudinea.
B)Polychaeta.
C)Oligochaeta.
D)Hirudinea and Oligochaeta.
10

Oligochaetes are
A)monoecious.
B)dioecious.
C)monoecious or dioecious.
D)asexual.
11

Most polychaetes are
A)monoecious.
B)dioecious.
C)protandric.
D)asexual.
12

An excretory structure consisting of an open, ciliated funnel and a tubule that opens through the body wall is called a
A)protonephridium.
B)nephrostome.
C)metanephridium.
D)nephridiopore.
13

The main propulsive structure(s) in the circulatory system of an earthworm is (are)
A)hearts.
B)dorsal and ventral blood vessels.
C)seminal vesicles.
D)the typhlosole.
14

The _______ is a site of amino acid metabolism in an earthworm and is analogous to the vertebrate liver.
A)typhlosole
B)seminal vesicle
C)nephridium
D)chloragogen tissue
15

No freeliving larval forms occur in the annelid subclass(es)
A)Hirudinea
B)Hirudinea and Oligochaeta
C)Polychaeta
D)Polychaeta and Oligochaeta
16

Flexible support and efficient locomotion are probably the primary adaptive features of metamerism.
A)True
B)False
17

The peristomium is the first segment of a polychaete. It surrounds the mouth and bears sensory tentacles or cirri.
A)True
B)False
18

During copulation of earthworms there is mutual sperm exchange. Sperm passes from the seminal receptacles of each worm to the seminal vesicles of the partner.
A)True
B)False
19

The secondary divisions of a member of the class Hirudinea are called annuli; they are easier to see than the true segments.
A)True
B)False
20

The looping form of locomotion of leeches utilizes a single hydrostatic cavity formed as a result of the loss of septa separating coelomic compartments.
A)True
B)False
21

A taxonomic reevaluation of the phylum Annelida confirms the designation of three classes: Polychaeta, Oligochaeta, and Hirudinea.
A)True
B)False
22

The oligochaetes were the first annelids to be derived from ancestral annelids. The hirudineans and freshwater polychaetes were derived from the oligochaetes, and marine polychaetes were derived from freshwater polychaetes.
A)True
B)False
23

Oligochaetes evolved on land during a time when flowering plants were proliferating. This fact is evidenced, in part, by the reliance of modern oligochaetes on deciduous vegetation.
A)True
B)False
24

Polychaetes may be predators, herbivores, scavengers, or filter feeders.
A)True
B)False
25

The immature stages of polychaetes occur in cocoons deposited on the ocean floor.
A)True
B)False





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