Question 1

In some arthropods tagmatization has produced a combination of head and thorax known as a

Accepted Answer

A)  cephalothorax.
B)  fused corpora.
C)  headless mite.
D)  larval instar.
E)  thoracotomy.F) B) and C)
G) A) and E)

Question 2

Nauplius,a unique kind of larva,is characteristic of

Accepted Answer

A)  mites.
B)  crustaceans.
C)  horseshoe crabs.
D)  insects.
E)  chelicerates.F) C) and D)
G) None of the above

Question 3

All of the following are true about sea stars except

Accepted Answer

A)  they are the most familiar echinoderms.
B)  they are the most important predators in many marine ecosystems.
C)  they have a pigmented epidermis.
D)  they are the only echinoderms that are fully sessile.
E)  they are abundant in the intertidal zonE.F) A) and B)
G) D) and E)

Question 4

You and your biology lab class take a field trip to a marine aquarium.Your guide is a marine biologist who studies squids.She explains to your class how squids are able to blend into their environment.She points out that squids have pouches of pigments embedded in their epithelium.The pouches are called

Accepted Answer

A)  trochophores.
B)  spermatophores.
C)  lophophores.
D)  chromatophores.
E)  phytophores.F) A) and E)
G) B) and D)

Question 5

The molluscan class ________ includes the snails and slugs.

Accepted Answer

The answer of The molluscan class ________ includes the snails...

Question 6

Oxygen diffuses to the tissues of terrestrial arthropods through the

Accepted Answer

A)  arteries.
B)  cells of the cortex.
C)  circulatory system.
D)  lungs.
E)  trachea and tracheoles.F) B) and E)
G) A) and E)

Question 7

Decapod crustaceans (shrimps,lobsters,and crabs) are characterized by all of the following except

Accepted Answer

A)  a carapace,a dorsal cephalothorax shield.
B)  a ventral line of appendages,swimmerets.
C)  flattened uropods form a paddle at the end of the abdomen.
D)  a tail spine,telson.
E)  cheliceraE.F) A) and B)
G) None of the above

Question 8

Choose the letter of the best match from the following:
-Efficient and often large predators;possess well-developed brains and are the most intelligent of invertebrates;include octopus,squids,and nautilus.

Accepted Answer

A)  lophophorates
B)  gastropods
C)  cephalopods
D)  annelids
E)  leechesF) A) and E)
G) C) and E)

Question 9

Annelids possess all of the following except

Accepted Answer

A)  muscles to swim,crawl,and burrow.
B)  ganglia to respond to light and respond to other environmental cues.
C)  circulatory,excretory,and neural elements in each segment.
D)  setae in each segment.
E)  adductor muscles.F) All of the above
G) A) and D)

Question 10

Choose the letter of the best match from the following:
-Usually flattened dorsoventrally and occur mostly in fresh water;most are predators or scavengers,but some have developed the habit of sucking blood.

Accepted Answer

A)  lophophorates
B)  gastropods
C)  cephalopods
D)  annelids
E)  leechesF) All of the above
G) A) and C)

Question 11

Many marine mollusks have distinctive larvae which have their bodies encircled by a row of cilia.These larvae are called

Accepted Answer

A)  planulae.
B)  polyps.
C)  miracidia.
D)  zoecia.
E)  trochophores.F) A) and B)
G) B) and D)

Question 12

Echinoderms show ______ symmetry as adults and have a five-part body plan.

Accepted Answer

The answer of Echinoderms show ______ symmetry as adults and...

Question 13

Select the mismatched pair of Phylum Mollusca classes and their examples.

Accepted Answer

A)  Polyplacophora-chitons
B)  Gastropoda-slugs
C)  Bivalvia-snails
D)  Cephalopoda-nautilus
E)  Gastropoda-nudibranchsF) B) and C)
G) C) and E) C

Question 14

If you examine a spider and an ant,you notice quickly that they are arthropods but they have different characteristics.Select the incorrect choice of characteristics.

Accepted Answer

A)  Spiders have a cephalothorax and abdomen;insects have a head,a thorax,and an abdomen.
B)  Spiders and insects have a tracheal respiration system.
C)  Spiders are strictly carnivorous;insects can be carnivorous or herbivorous depending on the species.
D)  Spiders and insects have open circulatory systems.
E)  Spiders do not have wings;many insects do have wings.F) B) and D)
G) None of the above

Question 15

Which one of the following statements about the phylum Bryozoa is false?

Accepted Answer

A)  Possession of a lophophore shows that bryozoans are closely related to brachiopods.
B)  The zoecium of the bryozoans anchors it to the substrate.
C)  Bryozoans are colonial and include both freshwater and marine forms.
D)  During development of bryozoans,the anus forms from the blastopore.
E)  Within a colony,individual bryozoans can be specialized to perform different functions.F) A) and B)
G) B) and E)

Question 16

A contemporary mollusk in which many of the ancestral characteristics remain is a(n)

Accepted Answer

A)  squid.
B)  oyster.
C)  chiton.
D)  octopus.
E)  snail.F) None of the above
G) A) and E) C

Question 17

The evolutionary innovation that first appeared in arthropods and is characteristic of the most successful of all animal groups is that of

Accepted Answer

A)  bilateral symmetry.
B)  coelomic body architecture.
C)  jointed appendages.
D)  segmentation.
E)  three primary types of tissues.F) A) and C)
G) A) and D) C

Question 18

All of the following are examples of echinoderms except

Accepted Answer

A)  sea cucumbers.
B)  brittle stars.
C)  sand dollars.
D)  sea squirts.
E)  sea daisies.F) A) and D)
G) All of the above

Question 19

All of the following are characteristics of spiders except

Accepted Answer

A)  antennae (1 pair) .
B)  walking legs (4 pair) .
C)  chelicerae (1 pair) .
D)  pedipalps (1 pair) .
E)  cephalothorax and abdomen.F) None of the above
G) A) and E)

Question 20

Members of the class ________,octopuses,squids,and nautilus,are highly intelligent.

Accepted Answer

The answer of Members of the class ________,octopuses,squids,and nautilus,are highly...

Exam 34: Coelomate Invertebrates

In some arthropods tagmatization has produced a combination of head and thorax known as a

Correct Answer
verified

Nauplius,a unique kind of larva,is characteristic of

Correct Answer
verified

All of the following are true about sea stars except

Correct Answer
verified

Correct Answer
verified

The molluscan class ________ includes the snails and slugs.

Correct Answer
verified

Oxygen diffuses to the tissues of terrestrial arthropods through the

Correct Answer
verified

Decapod crustaceans (shrimps,lobsters,and crabs) are characterized by all of the following except

Correct Answer
verified

Choose the letter of the best match from the following: -Efficient and often large predators;possess well-developed brains and are the most intelligent of invertebrates;include octopus,squids,and nautilus.

Correct Answer
verified

Annelids possess all of the following except

Correct Answer
verified

Choose the letter of the best match from the following: -Usually flattened dorsoventrally and occur mostly in fresh water;most are predators or scavengers,but some have developed the habit of sucking blood.

Correct Answer
verified

Many marine mollusks have distinctive larvae which have their bodies encircled by a row of cilia.These larvae are called

Correct Answer
verified

Echinoderms show ______ symmetry as adults and have a five-part body plan.

Correct Answer
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Select the mismatched pair of Phylum Mollusca classes and their examples.

Correct Answer
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C

If you examine a spider and an ant,you notice quickly that they are arthropods but they have different characteristics.Select the incorrect choice of characteristics.

Correct Answer
verified

Which one of the following statements about the phylum Bryozoa is false?

Correct Answer
verified

A contemporary mollusk in which many of the ancestral characteristics remain is a(n)

Correct Answer
verified
C

The evolutionary innovation that first appeared in arthropods and is characteristic of the most successful of all animal groups is that of

Correct Answer
verified
C

All of the following are examples of echinoderms except

Correct Answer
verified

All of the following are characteristics of spiders except

Correct Answer
verified

Members of the class ________,octopuses,squids,and nautilus,are highly intelligent.

Correct Answer
verified

Exam 34: Coelomate Invertebrates

In some arthropods tagmatization has produced a combination of head and thorax known as a

Correct AnswerverifiedShow Answer

Nauplius,a unique kind of larva,is characteristic of

Correct AnswerverifiedShow Answer

All of the following are true about sea stars except

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The molluscan class ________ includes the snails and slugs.

Correct AnswerverifiedShow Answer

Oxygen diffuses to the tissues of terrestrial arthropods through the

Correct AnswerverifiedShow Answer

Decapod crustaceans (shrimps,lobsters,and crabs) are characterized by all of the following except

Correct AnswerverifiedShow Answer

Choose the letter of the best match from the following: -Efficient and often large predators;possess well-developed brains and are the most intelligent of invertebrates;include octopus,squids,and nautilus.

Correct AnswerverifiedShow Answer

Annelids possess all of the following except

Correct AnswerverifiedShow Answer

Choose the letter of the best match from the following: -Usually flattened dorsoventrally and occur mostly in fresh water;most are predators or scavengers,but some have developed the habit of sucking blood.

Correct AnswerverifiedShow Answer

Many marine mollusks have distinctive larvae which have their bodies encircled by a row of cilia.These larvae are called

Correct AnswerverifiedShow Answer

Echinoderms show ______ symmetry as adults and have a five-part body plan.

Correct AnswerverifiedShow Answer

Select the mismatched pair of Phylum Mollusca classes and their examples.

Correct AnswerverifiedC

If you examine a spider and an ant,you notice quickly that they are arthropods but they have different characteristics.Select the incorrect choice of characteristics.

Correct AnswerverifiedShow Answer

Which one of the following statements about the phylum Bryozoa is false?

Correct AnswerverifiedShow Answer

A contemporary mollusk in which many of the ancestral characteristics remain is a(n)

Correct AnswerverifiedC

The evolutionary innovation that first appeared in arthropods and is characteristic of the most successful of all animal groups is that of

Correct AnswerverifiedC

All of the following are examples of echinoderms except

Correct AnswerverifiedShow Answer

All of the following are characteristics of spiders except

Correct AnswerverifiedShow Answer

Members of the class ________,octopuses,squids,and nautilus,are highly intelligent.

Correct AnswerverifiedShow Answer

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C

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C

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C

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