Question 1

Extraembryonic membranes are NOT found in the development of

Accepted Answer

A)   amphibians.
B)   reptiles.
C)   birds.
D)   mammals.
E)   chordates.F) B) and E)
G) C) and D)

Question 2

Defining characteristics of chordates are

Accepted Answer

A)   segmentation, dorsal hollow nerve cord, gill arches or pharyngeal pouches.
B)   dorsal hollow nerve cord, notochord, bilateral symmetry, and post-anal tail.
C)   bilateral symmetry, segmentation, and well-developed coelom.
D)   well-developed coelom, gill arches or pharyngeal pouches, and notochord.
E)   gill arches or pharyngeal pouches, dorsal tubular nerve cord, notochord, and post-anal tail.F) C) and D)
G) C) and E)

Question 3

When researchers videotaped the body of a dead whale on the bottom of the ocean,it was rippling with the activity of many scavengers inside the carcass.These scavengers would have been

Accepted Answer

A)   hagfish.
B)   lampreys.
C)   coelacanths.
D)   skates.
E)   ray-finned fishes.F) A) and E)
G) A) and B)

Question 4

The lancelets are found

Accepted Answer

A)   in tropical Amazon streams.
B)   as parasites inside the tracts of fish.
C)   very rarely in mountain streams, where they are almost extinct.
D)   commonly in the sandy bottoms of shallow coastal waters around the world.
E)   on the bottom of the ocean.F) A) and B)
G) A) and C)

Question 5

Which statement about the chordates is NOT correct?

Accepted Answer

A)   Chordates have segmentation.
B)   Chordates have bilateral symmetry.
C)   Invertebrate chordates are marine and filter feeding.
D)   Adult lancelets have all the characteristics that distinguish chordates from members of other phyla.
E)   Adult tunicates lack all the characteristics that distinguish chordates from members of other phyla.F) B) and E)
G) A) and C)

Question 6

Which of the following characteristics is NOT a distinguishing feature of all primates?

Accepted Answer

A)   opposable thumb
B)   fingernails
C)   usually single birth
D)   extended period of parental care
E)   expanded hindbrainF) A) and D)
G) B) and E)

Question 7

Although adult tunicates are stuck to the ocean bottom,they are considered early relatives of vertebrates because

Accepted Answer

A)   tunicate gill slits are like ribs.
B)   tunicate adults have a notochord.
C)   tunicate larvae have a notochord.
D)   all vertebrate embryos go through a stage that resembles adult tunicates.
E)   tunicate adults have all four chordate characteristics.F) D) and E)
G) B) and D)

Question 8

The ray-finned fishes are believed to have evolved into the amphibians.

Accepted Answer

A) True 
 B)False

Question 9

Which hominid is considered to be the handyman by being the first to use tools?

Accepted Answer

A)   Gorilla
B)   Lucy
C)   Homo habilis
D)   Homo erectus
E)   ChimpanzeeF) B) and E)
G) A) and E)

Question 10

Based on molecular data,the split between apes and humans is thought to have occurred about ______ million years ago.

Accepted Answer

A)   one
B)   two
C)   three
D)   five
E)   sixF) B) and E)
G) A) and C)

Question 11

Which of these characteristics is NOT associated with flight requirements in birds?

Accepted Answer

A)   feet with claws
B)   light hollow bones
C)   a light horny beak with no teeth
D)   respiratory air sacs and lungs with one way air flow
E)   an enlarged breastbone with strong muscles attachedF) B) and D)
G) C) and E)

Question 12

Which types of embryos have extraembryonic membranes?

Accepted Answer

A)   fish
B)   frog
C)   salamander
D)   shark
E)   mammalianF) B) and C)
G) C) and D)

Question 13

Jaws are believed to have evolved from the

Accepted Answer

A)   cranium.
B)   first ribs.
C)   first pair of gill arches.
D)   tooth buds.
E)   suckers of lampreys.F) A) and B)
G) C) and D)

Question 14

The ____ are believed to be the first group of hominids that buried their dead.

Accepted Answer

A)   Homo habilis
B)   Homo erectus
C)   Peking man
D)   Homo neanderthalensis
E)   Cro-MagnonF) A) and B)
G) None of the above

Question 15

The respiratory advantage provided by a four-chambered heart over a three-chambered heart in vertebrates is

Accepted Answer

A)   combination of oxygen-rich blood with oxygen-poor blood.
B)   reduction of hemoglobin requirement.
C)   elimination of alveolar dependency.
D)   separation of oxygen-rich blood and oxygen-poor blood.
E)   more blood gets sent to the lungs.F) B) and E)
G) None of the above

Question 16

In contrast to the out-of-Africa hypothesis,the multi-regional continuity hypothesis contends that Homo ergaster migrated to many continents as much as one million years ago,and all populations evolved into modern humans because

Accepted Answer

A)   no further evolutionary changes occurred.
B)   there was sufficient gene flow between populations to maintain one species.
C)   constant warfare allowed one or another lineage to dominate.
D)   hybrids between different lineages were superior and replaced their ancestors.
E)   all lineages changed but in response to the same evolutionary pressures so they changed in the same way.F) B) and C)
G) A) and D)

Question 17

The australopithecines evolved and diversified in Africa from 4 MYA until 1.5 MYA and are the possible direct hominin ancestors for humans.

Accepted Answer

A) True 
 B)False

Question 18

The stone tools and the dentition of Homo habilis indicate that early humans probably

Accepted Answer

A)   were herbivores.
B)   were carnivores.
C)   were omnivores.
D)   were predators.
E)   cooked with fire.F) A) and D)
G) C) and D)

Question 19

Which of these is a proper contrast between birds and mammals?

Accepted Answer

A)   Birds are cold-blooded; mammals are warm-blooded.
B)   Birds are egg laying; no mammals lay eggs.
C)   Birds have air sacs in addition to lungs; mammals have no air sacs.
D)   Birds lack a septum between the ventricles; mammals have a septum between the ventricles.
E)   Birds, unlike mammals, require no parental care.F) D) and E)
G) A) and D)

Question 20

Which of these is NOT a true statement?

Accepted Answer

A)   All chordates are vertebrates.
B)   All vertebrates are chordates.
C)   Tunicates and lancelets are invertebrate chordates.
D)   Echinoderms and chordates are deuterostomes.
E)   Sea squirts are invertebrate chordates.F) A) and B)
G) B) and E)

Exam 32: Animals: Chordates and Vertebrates

Which of these is NOT a true statement?

Correct AnswerverifiedShow Answer

In contrast to the out-of-Africa hypothesis,the multi-regional continuity hypothesis contends that Homo ergaster migrated to many continents as much as one million years ago,and all populations evolved into modern humans because

Correct AnswerverifiedShow Answer

Which types of embryos have extraembryonic membranes?

Correct AnswerverifiedShow Answer

Which of these is a proper contrast between birds and mammals?

Correct AnswerverifiedShow Answer

Which of the following characteristics is NOT a distinguishing feature of all primates?

Correct AnswerverifiedShow Answer

Jaws are believed to have evolved from the

Correct AnswerverifiedShow Answer

Which of these characteristics is NOT associated with flight requirements in birds?

Correct AnswerverifiedShow Answer

When researchers videotaped the body of a dead whale on the bottom of the ocean,it was rippling with the activity of many scavengers inside the carcass.These scavengers would have been

Correct AnswerverifiedShow Answer

Extraembryonic membranes are NOT found in the development of

Correct AnswerverifiedShow Answer

The ray-finned fishes are believed to have evolved into the amphibians.

Correct AnswerverifiedShow Answer

The respiratory advantage provided by a four-chambered heart over a three-chambered heart in vertebrates is

Correct AnswerverifiedShow Answer

The australopithecines evolved and diversified in Africa from 4 MYA until 1.5 MYA and are the possible direct hominin ancestors for humans.

Correct AnswerverifiedShow Answer

Which statement about the chordates is NOT correct?

Correct AnswerverifiedShow Answer

The lancelets are found

Correct AnswerverifiedShow Answer

Which hominid is considered to be the handyman by being the first to use tools?

Correct AnswerverifiedShow Answer

Although adult tunicates are stuck to the ocean bottom,they are considered early relatives of vertebrates because

Correct AnswerverifiedShow Answer

The stone tools and the dentition of Homo habilis indicate that early humans probably

Correct AnswerverifiedShow Answer

Based on molecular data,the split between apes and humans is thought to have occurred about ______ million years ago.

Correct AnswerverifiedShow Answer

Defining characteristics of chordates are

Correct AnswerverifiedShow Answer

The ____ are believed to be the first group of hominids that buried their dead.

Correct AnswerverifiedShow Answer

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