Question 1

Clams and oysters are:

Accepted Answer

A)  detritivores.
B)  herbivores
C)  omnivores.
D)  carnivores.
E)  filter feeders.

Question 2

Figure 31-2
Use the figure to answer the corresponding question(s) . 
-The anterior end of a tapeworm is known as the:

Accepted Answer

A)  proglottiD.
B)  cnidocytE.
C)  auriclE.
D)  protonephridiA.
E)  scolex.

Question 3

The polyp form of a cnidarian has its tentacles pointed downward.
____________________

Accepted Answer

A) True 
 B)False

Question 4

Figure 31-4
Use the figure to answer the corresponding question(s) . 
-The larva in Figure 31-4 is:

Accepted Answer

A)  a veliger.
B)  a glochidium.
C)  a trochophorE.
D)  a nauplius.
E)  a pupa.

Question 5

MATCHING
Match the organism or its characteristic with the correct phylum.
a.Annelida
f.Nematoda
b.Arthropoda
g.Nemertea
c.Cnidaria
H.Platyhelminthes
d.Ctenophora
I.Porifera
e.Mollusca
J.Rotifera
-centipedes

Accepted Answer

The answer of MATCHING
Match the organism or its characteristic with...

Question 6

MATCHING
Match the organism or its characteristic with the correct phylum.
a.Annelida
f.Nematoda
b.Arthropoda
g.Nemertea
c.Cnidaria
H.Platyhelminthes
d.Ctenophora
I.Porifera
e.Mollusca
J.Rotifera
-Obelia

Accepted Answer

The answer of MATCHING
Match the organism or its characteristic with...

Question 7

Segmentation in arthropods differs from that of annelids because arthropod segments are:

Accepted Answer

A)  smaller.
B)  less specializeD.
C)  only present in adults.
D)  more specializeD.
E)  only present in larvae.

Question 8

A member of subphylum Chelicerata is a spider.
____________________

Accepted Answer

A) True 
 B)False

Question 9

In sponges, spicules are secreted by amoeboid cells.
____________________

Accepted Answer

A) True 
 B)False

Question 10

Figure 31-4
Use the figure to answer the corresponding question(s) . 
-The larva in Figure 31-4 is characteristic of:

Accepted Answer

A)  arthropods.
B)  mollusks.
C)  cnidarians.
D)  platyhelminths.
E)  nematodes.

Question 11

_______ are also called velvet worms.

Accepted Answer

A)  Nematodes
B)  Annelids
C)  Tartigrades
D)  Onychophorans
E)  Arthropods

Question 12

MATCHING
Match the organism or its characteristic with the correct phylum.
a.Annelida
f.Nematoda
b.Arthropoda
g.Nemertea
c.Cnidaria
H.Platyhelminthes
d.Ctenophora
I.Porifera
e.Mollusca
J.Rotifera
-earthworms

Accepted Answer

The answer of MATCHING
Match the organism or its characteristic with...

Question 13

You have a sample of cat emesis (vomit)  and find worms in the sample.The cylindrical worms are long and slender, pointed at each end, with no other distinguishing characteristics.They are members of the phylum:

Accepted Answer

A)  Platyhelminthes.
B)  NematodA.
C)  CnidariA.
D)  AnnelidA.
E)  Nemertea.

Question 14

MATCHING
Match the organism or its characteristic with the correct phylum.
a.Annelida
f.Nematoda
b.Arthropoda
g.Nemertea
c.Cnidaria
H.Platyhelminthes
d.Ctenophora
I.Porifera
e.Mollusca
J.Rotifera
-Hydra

Accepted Answer

The answer of MATCHING
Match the organism or its characteristic with...

Question 15

Sponge larvae:

Accepted Answer

A)  are miniature sponges that float about in the plankton.
B)  crawl along the bottom like an amoebA.
C)  are flagellated and able to swim.
D)  bud off the adult spongE.
E)  float out of the adult, fall to the bottom, and attach to form a new sponge.

Question 16

Figure 31-5
Use the figure to answer the corresponding question(s) . 
-Critical to polychaete and oligochaete locomotion are:

Accepted Answer

A)  jointed appendages.
B)  parapodiA.
C)  setaE.
D)  fins.
E)  tentacles.

Question 17

MATCHING
Match the organism or its characteristic with the correct phylum.
a.Annelida
f.Nematoda
b.Arthropoda
g.Nemertea
c.Cnidaria
H.Platyhelminthes
d.Ctenophora
I.Porifera
e.Mollusca
J.Rotifera
-squids

Accepted Answer

The answer of MATCHING
Match the organism or its characteristic with...

Question 18

Figure 31-2
Use the figure to answer the corresponding question(s) . 
-Refer to Figure 31-2.The structure labeled 5 is used for:

Accepted Answer

A)  food intakE.
B)  digestion.
C)  locating fooD.
D)  coordination of movement.
E)  locomotion.

Question 19

The body of a tapeworm consists of segments, each of which is called a proglottid.
____________________

Accepted Answer

A) True 
 B)False

Question 20

MATCHING
Match the organism or its characteristic with the correct phylum.
a.Annelida
f.Nematoda
b.Arthropoda
g.Nemertea
c.Cnidaria
H.Platyhelminthes
d.Ctenophora
I.Porifera
e.Mollusca
J.Rotifera
-Scyphozoans

Accepted Answer

The answer of MATCHING
Match the organism or its characteristic with...

Exam 31: Sponges, Cnidarians, Ctenophores, and Protostomes

MATCHING Match the organism or its characteristic with the correct phylum. a.Annelida f.Nematoda b.Arthropoda g.Nemertea c.Cnidaria H.Platyhelminthes d.Ctenophora I.Porifera e.Mollusca J.Rotifera -earthworms

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Figure 31-4 Use the figure to answer the corresponding question(s) . -The larva in Figure 31-4 is:

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You have a sample of cat emesis (vomit) and find worms in the sample.The cylindrical worms are long and slender, pointed at each end, with no other distinguishing characteristics.They are members of the phylum:

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Figure 31-4 Use the figure to answer the corresponding question(s) . -The larva in Figure 31-4 is characteristic of:

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MATCHING Match the organism or its characteristic with the correct phylum. a.Annelida f.Nematoda b.Arthropoda g.Nemertea c.Cnidaria H.Platyhelminthes d.Ctenophora I.Porifera e.Mollusca J.Rotifera -Hydra

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A member of subphylum Chelicerata is a spider. ____________________

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Figure 31-2 Use the figure to answer the corresponding question(s) . -Refer to Figure 31-2.The structure labeled 5 is used for:

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_______ are also called velvet worms.

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Figure 31-5 Use the figure to answer the corresponding question(s) . -Critical to polychaete and oligochaete locomotion are:

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MATCHING Match the organism or its characteristic with the correct phylum. a.Annelida f.Nematoda b.Arthropoda g.Nemertea c.Cnidaria H.Platyhelminthes d.Ctenophora I.Porifera e.Mollusca J.Rotifera -centipedes

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The polyp form of a cnidarian has its tentacles pointed downward. ____________________

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MATCHING Match the organism or its characteristic with the correct phylum. a.Annelida f.Nematoda b.Arthropoda g.Nemertea c.Cnidaria H.Platyhelminthes d.Ctenophora I.Porifera e.Mollusca J.Rotifera -Scyphozoans

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MATCHING Match the organism or its characteristic with the correct phylum. a.Annelida f.Nematoda b.Arthropoda g.Nemertea c.Cnidaria H.Platyhelminthes d.Ctenophora I.Porifera e.Mollusca J.Rotifera -squids

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Segmentation in arthropods differs from that of annelids because arthropod segments are:

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Sponge larvae:

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Figure 31-2 Use the figure to answer the corresponding question(s) . -The anterior end of a tapeworm is known as the:

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In sponges, spicules are secreted by amoeboid cells. ____________________

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Clams and oysters are:

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The body of a tapeworm consists of segments, each of which is called a proglottid. ____________________

Correct AnswerverifiedShow Answer

MATCHING Match the organism or its characteristic with the correct phylum. a.Annelida f.Nematoda b.Arthropoda g.Nemertea c.Cnidaria H.Platyhelminthes d.Ctenophora I.Porifera e.Mollusca J.Rotifera -Obelia

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