Question 1

Figure 31-5
Use the figure to answer the corresponding question(s) . 
-Which of the following terms is associated with polychaetes?

Accepted Answer

A)  radula
B)  metamorphosis
C)  parapodia
D)  mantle
E)  visceral massF) A) and B)
G) None of the above

Question 2

The veliger larval form is unique to:

Accepted Answer

A)  insects.
B)  annelids.
C)  molluscs.
D)  arthropods.
E)  crustaceans.F) A) and E)
G) D) and E)

Question 3

Members of phylum Ctenophora are diploblastic but lack cnidocytes.
____________________

Accepted Answer

A) True 
 B)False

Question 4

List two characteristics that have contributed to the biological success of the insects, and briefly explain the adaptive value of each characteristic that you identified.

Accepted Answer

Exoskeleton: protection against predator...

Question 5

Figure 31-2
Use the figure to answer the corresponding question(s) . 
-Refer to Figure 31-2.Which structure contains chemoreceptors for locating food?

Accepted Answer

A)  1
B)  2
C)  3
D)  4
E)  6F) A) and E)
G) A) and D)

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
-corals

Accepted Answer

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

Question 7

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
-have a proboscis

Accepted Answer

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

Question 8

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
-diploblastic with comb-like rows of cilia

Accepted Answer

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

Question 9

Figure 31-5
Use the figure to answer the corresponding question(s) . 
-Refer to Figure 31-5.Which structure is involved in respiration?

Accepted Answer

A)  5
B)  6
C)  7
D)  8
E)  9F) A) and D)
G) C) and E)

Question 10

A major disadvantage to torsion is that:

Accepted Answer

A)  the animal could die as a result of taking in waste products.
B)  the animal loses its excretory structures and must rely on diffusion.
C)  the mantle no longer covers the visceral mass.
D)  the animal is left with an incomplete digestive tract.
E)  the foot is displaced toward the anterior region.F) A) and E)
G) C) and D)

Question 11

Ribbon worms have a unique __________ that is used to capture prey.

Accepted Answer

A)  proboscis
B)  tentacle
C)  set of jaws
D)  claw
E)  forked legF) C) and D)
G) A) and E)

Question 12

Ctenophores capture food by:

Accepted Answer

A)  sticky mucus on their tentacles that capture small invertebrates.
B)  adhesive glue cells that trap prey.
C)  stinging hair cells that immobilize small invertebrates.
D)  digging through the bottom mud for small invertebrates.
E)  filter feeding.F) All of the above
G) B) and C)

Question 13

A nematocyst is a type of stinging cell.
____________________

Accepted Answer

A) True 
 B)False

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
-trichina worms

Accepted Answer

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

Question 15

A spider would be much less harmful if it lacked:

Accepted Answer

A)  spinnerets.
B)  eye spots.
C)  labial palps.
D)  cheliceraE.
E)  mandibles.F) A) and B)
G) D) and E)

Question 16

Tapeworms belong to class Trematoda.
____________________

Accepted Answer

A) True 
 B)False

Question 17

Which of the following terms can be associated with many species of mollusks?

Accepted Answer

A)  chelicerae
B)  pupa
C)  radula
D)  pen
E)  internal shellF) A) and C)
G) All of the above

Question 18

Although corals can capture prey, they also depend on __________ for nutrition.

Accepted Answer

A)  a symbiotic relationship with the photosynthetic zooxanthellae
B)  a symbiotic relationship with lichens
C)  the dead animals found on the ocean floor
D)  photosynthesis since they are part animal and plant
E)  a symbiotic relationship with a fishF) A) and E)
G) All of the above

Question 19

Members of the class Bivalvia:

Accepted Answer

A)  have gills that secrete the shell.
B)  have a mantle that may form pearls.
C)  are all sessilE.
D)  all have a radulA.
E)  have a broad foot used for locomotion.F) B) and E)
G) A) and C)

Question 20

Choanocytes are a characteristic of members of the phylum Cnidaria.
____________________

Accepted Answer

A) True 
 B)False

Exam 31: Sponges, Cnidarians, Ctenophores, and Protostomes

A spider would be much less harmful if it lacked:

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Choanocytes are a characteristic of members of the phylum Cnidaria. ____________________

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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 -have a proboscis

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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 -diploblastic with comb-like rows of cilia

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Figure 31-5 Use the figure to answer the corresponding question(s) . -Refer to Figure 31-5.Which structure is involved in respiration?

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Figure 31-2 Use the figure to answer the corresponding question(s) . -Refer to Figure 31-2.Which structure contains chemoreceptors for locating food?

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Figure 31-5 Use the figure to answer the corresponding question(s) . -Which of the following terms is associated with polychaetes?

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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 -trichina worms

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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 -corals

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The veliger larval form is unique to:

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Ribbon worms have a unique __________ that is used to capture prey.

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List two characteristics that have contributed to the biological success of the insects, and briefly explain the adaptive value of each characteristic that you identified.

Correct AnswerverifiedExoskeleton: protection against predator...View AnswerShow Answer

A nematocyst is a type of stinging cell. ____________________

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Which of the following terms can be associated with many species of mollusks?

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Although corals can capture prey, they also depend on __________ for nutrition.

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Members of phylum Ctenophora are diploblastic but lack cnidocytes. ____________________

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Ctenophores capture food by:

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Members of the class Bivalvia:

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Tapeworms belong to class Trematoda. ____________________

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A major disadvantage to torsion is that:

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Exoskeleton: protection against predator...
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