Question 1

Which class includes living members that are the ray-finned fishes, with fins supported by thin and flexible bony rays?

Accepted Answer

A)   Actinopterygii
B)   Sarcopterygii
C)   Petromyzontidae
D)   ChondrichthyesE) A) and D)
F) A) and C)

Question 2

Which subphylum includes the sea squirts?

Accepted Answer

A)   Cephalochordata
B)   Urochordata
C)   Petromyzontidae
D)   PlacodermiE) B) and D)
F) A) and C)

Question 3

Suppose that your friend ate pork and became sick afterward. Which parasite is it most likely that your friend ingested along with the pork meat?

Accepted Answer

A)   flatworm
B)   leech
C)   earthworm
D)   tapewormE) A) and D)
F) B) and D)

Question 4

Which lineage do legless caecilians belong to?

Accepted Answer

A)   Gymnophiona
B)   Squamata
C)   Anura
D)   AvesE) A) and D)
F) B) and C)

Question 5

Which class is composed mostly of freshwater parasites called leeches?

Accepted Answer

A)   Hirudinea
B)   Oligochaeta
C)   Cestoda
D)   PolychaetaE) B) and C)
F) B) and D)

Question 6

Which phylum has a unique water vascular system that usually includes tube feet that can be used for movement?

Accepted Answer

A)   Echinodermata
B)   Hemichordata
C)   Chordata
D)   CnidariaE) A) and B)
F) B) and D)

Question 7

Which lineage of cnidarians includes adults that are predominately medusae and the true jellyfishes?

Accepted Answer

A)   Anthozoa
B)   Hydrozoa
C)   Scyphozoa
D)   CubozoaE) B) and C)
F) A) and D)

Question 8

Which lineage of echinoderms is made up of sea stars, each with a central disk surrounded by 5 to 20 "arms"?

Accepted Answer

A)   Ophiuroidea
B)   Asteroidea
C)   Crinoidea
D)   EchinoideaE) A) and B)
F) B) and C)

Question 9

Which of the following types of cell cleavage is found most often for deuterostomes?

Accepted Answer

A)   radial, indeterminate cleavage
B)   spiral, determinate cleavage
C)   radial, determinate cleavage
D)   spiral, indeterminate cleavageE) A) and B)
F) A) and C)

Question 10

Lizards and snakes are living representatives of which lineage?

Accepted Answer

A)   lepidosaurs
B)   anapsids
C)   archosaurs
D)   synapsidsE) B) and D)
F) B) and C)

Question 11

Contrast the typical embryonic development of protostomes and deuterostomes.

Accepted Answer

Protostome embryos typically have determ...

Question 12

Which of the following secrete spicules?

Accepted Answer

A)   sperm
B)   porocytes
C)   choanocytes
D)   amoeboid cellsE) C) and D)
F) A) and C)

Question 13

Which phylum has members that exhibit radial symmetry, with their body parts arranged regularly around a central axis?

Accepted Answer

A)   Porifera
B)   Cnidaria
C)   Chordata
D)   PlatyhelminthesE) A) and C)
F) B) and C)

Question 14

Match each group of organisms with its lineage. Each lineage will be used only once.
-acorn worms

Accepted Answer

A)  Petromyzontidae
B)  Amphibia
C)  Crinoidea
D)  Metatheria
E)  ChondrichthyesF) ActinopterygiiG) UrochordataH) AvesI) MyxinoideaJ) HolothuroideaK) CephalochordataL) EutheriaM) OphiuroideaN) TestudinataO) SquamataP) AsteroideaQ) PrototheriaR) EchinoideaS) HemichordataT) D) and G)
U) A) and P)

Question 15

Which term refers to a small muscular bulb in the sea star's foot that contracts and forces fluid into the tube foot?

Accepted Answer

A)   ossicle
B)   radial canal
C)   ring canal
D)   ampullaE) A) and B)
F) A) and C)

Question 16

Which mammalian lineage includes organisms that lay eggs?

Accepted Answer

A)   Strepsirrhini
B)   Marsupialia
C)   Monotremata
D)   RodentiaE) B) and C)
F) A) and D)

Question 17

What is a Malpighian tubule?

Accepted Answer

A)   a filamentous projection of the mantle
B)   an abdominal appendage in some arthropods that secretes silk
C)   a muscular sac used for extending tube feet in echinoderms
D)   a specialized tube in some arthropods that is used for waste processingE) C) and D)
F) A) and D)

Question 18

Figure 27-1 
-In Figure 27-1, what is the item labelled number 5?

Accepted Answer

A)   the allantois
B)   the chorion
C)   the yolk sac
D)   the amnionE) A) and C)
F) A) and B)

Question 19

For most metazoans, what is the name of the innermost tissue layer during development?

Accepted Answer

A)   mesoderm
B)   endoderm
C)   ectodermD) A) and B)
E) All of the above

Question 20

Members of the order Hemiptera (true bugs)  go through postembryonic development called incomplete metamorphosis. What are the stages of this process?

Accepted Answer

A)   several instars of often wormlike larvae, followed by a stage where they are a sessile pupa, and then ending in an adult stage that is very different from the larval stages
B)   a series of nymph instars that lack functional wings, ending with an adult instar with functional wings
C)   a single, wingless nymph instar followed by several winged adult instars
D)   a series of young instars that become more and more like an adult, ending with a wingless adult instarE) All of the above
F) A) and B)

Exam 27: Animals

Members of the order Hemiptera (true bugs) go through postembryonic development called incomplete metamorphosis. What are the stages of this process?

Correct AnswerverifiedShow Answer

Figure 27-1 -In Figure 27-1, what is the item labelled number 5?

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Which mammalian lineage includes organisms that lay eggs?

Correct AnswerverifiedShow Answer

Suppose that your friend ate pork and became sick afterward. Which parasite is it most likely that your friend ingested along with the pork meat?

Correct AnswerverifiedShow Answer

Which lineage of echinoderms is made up of sea stars, each with a central disk surrounded by 5 to 20 "arms"?

Correct AnswerverifiedShow Answer

Which class includes living members that are the ray-finned fishes, with fins supported by thin and flexible bony rays?

Correct AnswerverifiedShow Answer

Which phylum has a unique water vascular system that usually includes tube feet that can be used for movement?

Correct AnswerverifiedShow Answer

Which of the following types of cell cleavage is found most often for deuterostomes?

Correct AnswerverifiedShow Answer

Which lineage do legless caecilians belong to?

Correct AnswerverifiedShow Answer

Which subphylum includes the sea squirts?

Correct AnswerverifiedShow Answer

What is a Malpighian tubule?

Correct AnswerverifiedShow Answer

Which term refers to a small muscular bulb in the sea star's foot that contracts and forces fluid into the tube foot?

Correct AnswerverifiedShow Answer

Contrast the typical embryonic development of protostomes and deuterostomes.

Correct AnswerverifiedProtostome embryos typically have determ...View AnswerShow Answer

For most metazoans, what is the name of the innermost tissue layer during development?

Correct AnswerverifiedShow Answer

Which class is composed mostly of freshwater parasites called leeches?

Correct AnswerverifiedShow Answer

Which of the following secrete spicules?

Correct AnswerverifiedShow Answer

Which lineage of cnidarians includes adults that are predominately medusae and the true jellyfishes?

Correct AnswerverifiedShow Answer

Match each group of organisms with its lineage. Each lineage will be used only once. -acorn worms

Correct AnswerverifiedShow Answer

Lizards and snakes are living representatives of which lineage?

Correct AnswerverifiedShow Answer

Which phylum has members that exhibit radial symmetry, with their body parts arranged regularly around a central axis?

Correct AnswerverifiedShow Answer

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Protostome embryos typically have determ...
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