Question 1

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

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) G) and P)
U) D) and I)

Question 2

What do ribbon worms use to strike prey?

Accepted Answer

A)   clitellum
B)   septum
C)   parapodium
D)   proboscisE) A) and C)
F) None of the above

Question 3

Match each group of organisms with its lineage. Each lineage will be used only once.
-brittle stars and basket stars

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 L)
U) A) and K) M

Question 4

Which class includes slugs and snails?

Accepted Answer

A)   Cephalopoda
B)   Gastropoda
C)   Scaphopoda
D)   BivalviaE) C) and D)
F) A) and C)

Question 5

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

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) N) and O)
U) B) and I)

Question 6

What term refers to specialized cells that serve as a simple excretory system in flatworms?

Accepted Answer

A)   choanocytes
B)   cnidocytes
C)   tentacles
D)   flame cellsE) None of the above
F) A) and C)

Question 7

Based on molecular analysis, which of the following appears to be least meaningful for inferring animal phylogenic relationships?

Accepted Answer

A)   morphological patterns
B)   radial symmetry in the Radiata
C)   mitochondrial DNA sequences
D)   body cavity differencesE) A) and B)
F) A) and C)

Question 8

Which jawless fishes are considered to be the earliest vertebrates with bonelike structures?

Accepted Answer

A)   osteolepiforms
B)   ostracoderms
C)   conodonts
D)   acanthodiansE) C) and D)
F) B) and C)

Question 9

Mammals are thought to be living descendants of which lineage?

Accepted Answer

A)   lepidosaurs
B)   anapsids
C)   archosaurs
D)   synapsidsE) All of the above
F) B) and D)

Question 10

Which term refers to a group that comprises the majority of mammal species living today-which are also known as placental mammals-and includes such diverse species as rodents, bats, whales, and primates?

Accepted Answer

A)   metatherians
B)   anthropoids
C)   protherians
D)   eutheriansE) A) and B)
F) A) and C) D

Question 11

Which of the following most closely resemble the earliest ancestor of all animals?

Accepted Answer

A)   colonial, flagellated protists
B)   unicellular protozoa
C)   colonial algae
D)   gram-negative bacteriaE) None of the above
F) A) and B)

Question 12

Match each group of organisms with its lineage. Each lineage will be used only once.
-sea urchins and sand dollars

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) G) and S)
U) C) and D) R

Question 13

Which Ecdysozoa phylum includes insects, spiders, crustaceans, millipedes, and centipedes?

Accepted Answer

A)   Onychophora
B)   Nematoda
C)   Arthropoda
D)   NemerteaE) None of the above
F) A) and D)

Question 14

Match each group of organisms with its lineage. Each lineage will be used only once.
-duck-billed platypuses

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) K) and O)
U) G) and P)

Question 15

Which kind of bird was dominant during the Mesozoic era?

Accepted Answer

A)   enantiornithines
B)   passerines
C)   neornithes
D)   ornithurinesE) All of the above
F) None of the above

Question 16

Turtles are thought to be living representatives of which lineage?

Accepted Answer

A)   anapsids
B)   archosaurs
C)   synapsids
D)   lepidosaursE) A) and B)
F) B) and D)

Question 17

Figure 27-1 
-In Figure 27-1, what is the item labelled number 3?

Accepted Answer

A)   the albumin
B)   the yolk sac
C)   the amnion
D)   the chorionE) B) and C)
F) A) and D)

Question 18

Which lineage is now extinct but appears in the fossil record from the Ordovician period through to the Devonian period?

Accepted Answer

A)   conodonts
B)   acanthodians
C)   ostracoderms
D)   placodermsE) B) and C)
F) A) and D)

Question 19

Which group includes the lineages Anura, Urodela, and Gymnophiona?

Accepted Answer

A)   Squamata
B)   Testudinata
C)   Archosauromorpha
D)   AmphibiaE) B) and D)
F) A) and C)

Question 20

Which embryonic cell layer develops into the lining of the gut in most metazoans?

Accepted Answer

A)   mesoglea
B)   ectoderm
C)   endodermD) A) and B)
E) None of the above

Exam 27: Animals

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

Correct AnswerverifiedShow Answer

What do ribbon worms use to strike prey?

Correct AnswerverifiedShow Answer

Match each group of organisms with its lineage. Each lineage will be used only once. -brittle stars and basket stars

Correct AnswerverifiedM

Which class includes slugs and snails?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What term refers to specialized cells that serve as a simple excretory system in flatworms?

Correct AnswerverifiedShow Answer

Based on molecular analysis, which of the following appears to be least meaningful for inferring animal phylogenic relationships?

Correct AnswerverifiedShow Answer

Which jawless fishes are considered to be the earliest vertebrates with bonelike structures?

Correct AnswerverifiedShow Answer

Mammals are thought to be living descendants of which lineage?

Correct AnswerverifiedShow Answer

Which term refers to a group that comprises the majority of mammal species living today-which are also known as placental mammals-and includes such diverse species as rodents, bats, whales, and primates?

Correct AnswerverifiedD

Which of the following most closely resemble the earliest ancestor of all animals?

Correct AnswerverifiedShow Answer

Match each group of organisms with its lineage. Each lineage will be used only once. -sea urchins and sand dollars

Correct AnswerverifiedR

Which Ecdysozoa phylum includes insects, spiders, crustaceans, millipedes, and centipedes?

Correct AnswerverifiedShow Answer

Match each group of organisms with its lineage. Each lineage will be used only once. -duck-billed platypuses

Correct AnswerverifiedShow Answer

Which kind of bird was dominant during the Mesozoic era?

Correct AnswerverifiedShow Answer

Turtles are thought to be living representatives of which lineage?

Correct AnswerverifiedShow Answer

Figure 27-1 -In Figure 27-1, what is the item labelled number 3?

Correct AnswerverifiedShow Answer

Which lineage is now extinct but appears in the fossil record from the Ordovician period through to the Devonian period?

Correct AnswerverifiedShow Answer

Which group includes the lineages Anura, Urodela, and Gymnophiona?

Correct AnswerverifiedShow Answer

Which embryonic cell layer develops into the lining of the gut in most metazoans?

Correct AnswerverifiedShow Answer

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