Question 1

The amphibian heart has

Accepted Answer

A)   two separate atria and two separate ventricles that partition oxygen-rich and oxygen-poor blood.
B)   two separate atria and one shared ventricle that allow oxygen-rich and oxygen-poor blood to mix.
C)   two separate ventricles and one shared atrium that allow oxygen-rich and oxygen-poor blood to mix.
D)   one atrium and one ventricle similar to the fish.
E)   one atrium and one ventricle but reroutes the blood through the heart after passing through the gills.F) A) and B)
G) C) and D)

Question 2

Which of the following features inaccurately describes birds?

Accepted Answer

A)   feathers
B)   air sacs
C)   variable body temperature
D)   hard-shelled egg
E)   four-chambered heartF) A) and E)
G) A) and B)

Question 3

Which of these made advanced tools and produced artwork?

Accepted Answer

A)   Homo erectus
B)   Homo habilis
C)   Cro-Magnon man
D)   Neanderthal man
E)   Homo ergasterF) B) and E)
G) A) and E)

Question 4

In vertebrates, what is the embryonic structure that is replaced by the vertebral column?

Accepted Answer

A)   notochord
B)   nerve cord
C)   pharyngeal pouches
D)   gill clefts
E)   deuterostomesF) A) and B)
G) B) and E)

Question 5

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 postanal 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 postanal tail.F) B) and C)
G) A) and E)

Question 6

Endothermic animals with four-chambered hearts include the

Accepted Answer

A)   amphibians.
B)   reptiles.
C)   fish.
D)   arthropods.
E)   birds.F) A) and E)
G) B) and C)

Question 7

Nonvertebrate chordates, tunicates, and lancelets differ from other chordates in that

Accepted Answer

A)   they do not have a notochord.
B)   they have gills, while other chordates have lungs.
C)   they do not have jaws, while all other chordates do have them.
D)   the notochord of nonvertebrate chordates does not become a vertebral column.
E)   nonvertebrate chordates do not have an internal bony skeleton, while all other chordates do.F) A) and E)
G) None of the above

Question 8

The first member of genus Homo to use fire is

Accepted Answer

A)   Australopithecus robustus.
B)   Australopithecus africanus.
C)   Homo habilis.
D)   Homo erectus.
E)   Homo sapiens.F) B) and D)
G) D) and E)

Question 9

Because most birds travel through the air at high speeds, they must have

Accepted Answer

A)   a crop and a gizzard.
B)   highly sensitive sensory systems.
C)   complex songs.
D)   eggs and no placenta.
E)   a three-chambered heart.F) A) and B)
G) C) and D)

Question 10

Which of these characteristics first developed in reptiles?

Accepted Answer

A)   amniotic egg
B)   scales on skin
C)   four-legged body
D)   skull and vertebral column
E)   animals with lungsF) B) and E)
G) A) and C)

Question 11

The primary distinguishing characteristic of all mammals is the presence of

Accepted Answer

A)   constant internal temperature.
B)   four limbs.
C)   a four-chambered heart.
D)   hair and mammary glands.
E)   a placenta.F) B) and D)
G) B) and E)

Question 12

Identify the four morphological traits unique to the chordates.

Accepted Answer

1. A dorsal supporting rod cal...

Question 13

Animals with a three-chambered heart would include

Accepted Answer

A)   amphibians.
B)   mammals.
C)   fish.
D)   sharks.
E)   birds.F) B) and C)
G) A) and E)

Question 14

Which of the following is a characteristic unique to chordates?

Accepted Answer

A)   a dorsal notochord
B)   a ventral hollow nerve cord
C)   pharyngeal pouches
D)   a postanal tail
E)   All of the answer choices are unique characteristics of chordates.F) C) and D)
G) B) and E)

Question 15

Which of the following 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) All of the above
G) A) and D)

Question 16

Both echinoderms and chordates are deuterostomes. This means that

Accepted Answer

A)   they have a similar development in their embryonic stages.
B)   they both have eyes with retinas.
C)   they both start with radial symmetry in their early embryonic stages.
D)   they both use calcium-based endoskeletons.
E)   they are both invertebrates.F) B) and C)
G) A) and C)

Question 17

Which of the following sequences correctly represents vertebrate evolution?

Accepted Answer

A)   jawless fish → lobe-finned fish → amphibians → reptiles → mammals
B)   jawless fish → amphibians → reptiles → lobe-finned fish → mammals
C)   mammals → lobe-finned fish → reptiles → jawless fish → amphibians
D)   lobe-finned fish → mammals → reptiles → jawless fish → amphibians
E)   lobe-finned fish → reptiles → mammals → jawless fish → amphibiansF) A) and B)
G) A) and E)

Question 18

The duckbill platypus is an exception to many mammals because it

Accepted Answer

A)   lacks hair.
B)   is ectothermic.
C)   doesn't secrete milk.
D)   lays eggs.
E)   is found in Australia.F) D) and E)
G) B) and E)

Question 19

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

Accepted Answer

A)   the combining of oxygen-rich blood with oxygen-poor blood.
B)   a reduction in the amount of hemoglobin required.
C)   decreased dependency on lungs.
D)   separation of oxygen-rich blood and oxygen-poor blood.
E)   a greater surface area for the diffusion of oxygen into the blood.F) A) and B)
G) B) and C)

Question 20

Which of the following is a characteristic of primates?

Accepted Answer

A)   nails rather than claws
B)   a larger brain (cerebral)  volume
C)   opposable thumb and sometimes large toe
D)   good hand-eye coordination
E)   All of the answer choices describe characteristics of primates.F) C) and E)
G) B) and E)

Exam 32: Animals: Chordates and Vertebrates

Both echinoderms and chordates are deuterostomes. This means that

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The first member of genus Homo to use fire is

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In vertebrates, what is the embryonic structure that is replaced by the vertebral column?

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Endothermic animals with four-chambered hearts include the

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Identify the four morphological traits unique to the chordates.

Correct Answerverified1. A dorsal supporting rod cal...View AnswerShow Answer

The amphibian heart has

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Which of the following is a characteristic of primates?

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Animals with a three-chambered heart would include

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Defining characteristics of chordates are

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

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Which of these made advanced tools and produced artwork?

Correct AnswerverifiedShow Answer

The duckbill platypus is an exception to many mammals because it

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Which of the following sequences correctly represents vertebrate evolution?

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Because most birds travel through the air at high speeds, they must have

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Which of the following is a characteristic unique to chordates?

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Which of the following are believed to be the first group of hominids that buried their dead?

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Nonvertebrate chordates, tunicates, and lancelets differ from other chordates in that

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The primary distinguishing characteristic of all mammals is the presence of

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Which of the following features inaccurately describes birds?

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Which of these characteristics first developed in reptiles?

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1. A dorsal supporting rod cal...
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