Question 1

Small,fishlike marine chordates,pointed at both ends with no distinguishable head,in which the notochord runs the entire length of the nerve cord,are called

Accepted Answer

A)  arrow worms.
B)  tunicates.
C)  acorn worms.
D)  lancelets.
E)  lampreys.F) A) and E)
G) None of the above

Question 2

Apes and humans together make up a group called

Accepted Answer

A)  hominids.
B)  hominoids.
C)  Homo sapiens.
D)  habilis.
E)  prosimians.F) C) and D)
G) All of the above

Question 3

Which one of the following incorrectly pairs a vertebrate group with its major evolutionary innovation?

Accepted Answer

A)  Amphibians-paired lateral fins
B)  Dinosaurs-bipedalism
C)  Placoderms-jaws
D)  Sharks-teeth
E)  Ostracoderms-cartilaginous endoskeletonF) A) and D)
G) B) and C)

Question 4

Pulmonary veins carry

Accepted Answer

A)  oxygenated blood.
B)  deoxygenated blood.
C)  a mixture of oxygenated and deoxygenated blood.D) All of the above
E) None of the above

Question 5

Which one of the following structures is not found in all adult and larval tunicates?

Accepted Answer

A)  incurrent siphon
B)  excurrent siphon
C)  gill slits
D)  notochord
E)  pharynxF) A) and D)
G) None of the above

Question 6

Mammals are thought to have evolved from

Accepted Answer

A)  thecodonts.
B)  therapsids.
C)  dinosaurs.
D)  marsupials.
E)  archosaurs.F) B) and D)
G) A) and D)

Question 7

What feature do monkeys share with iguanas but not with bullfrogs?

Accepted Answer

A)  eyes
B)  eggs
C)  thoracic breathing
D)  four-chambered heartE) None of the above
F) A) and B)

Question 8

Sharks have a number of fleshy gill slits instead of a bony gill cover.How does this affect their behavior?

Accepted Answer

A)  Their movements are slow due to low oxygen.
B)  They live only in highly oxygenated water.
C)  They keep swimming to move water across their gills.
D)  They do not maintain neutral buoyancy.E) A) and D)
F) B) and D)

Question 9

Which one of the following does not match a component of the amniotic egg with its primary function?

Accepted Answer

A)  shell-porous,protective covering
B)  chorion-exchange of respiratory gases; retention of water
C)  amnion-encloses embryo within an oxygen-filled cavity
D)  allantois-segregates nitrogenous wastes from embryo
E)  yolk sac-provides food for the embryoF) C) and D)
G) C) and E)

Question 10

In humans,one pair of pharyngeal pouches become the tube-shaped organ called the

Accepted Answer

A)  esophagus.
B)  trachea.
C)  Eustachian tube.
D)  bronchial tube.
E)  pharynx.F) C) and D)
G) None of the above

Question 11

All of the following features are true of primates except

Accepted Answer

A)  they are mammals with grasping fingers and toes.
B)  they belong to the order containing lemurs,monkeys,and apes.
C)  they have binocular vision.
D)  they have prehensile tails.E) None of the above
F) C) and D)

Question 12

Amphibians are not completely free to live on dry land because

Accepted Answer

A)  their ancestors were fish.
B)  their food organisms live in water.
C)  their reproduction depends on water.
D)  they can escape from predators by jumping into the water.
E)  they obtain oxygen from water through gills.F) A) and E)
G) D) and E)

Question 13

A vertebrate paleontologist is hunting through chalk deposits and finds a set of fused clavicles with some other bone fragments.What has she found?

Accepted Answer

A)  The remains of an amphibian.
B)  The remains of a lobe-finned fish.
C)  The remains of a bird.
D)  The remains of a mammal.E) A) and C)
F) A) and B)

Question 14

Which of the following statements about tunicates is incorrect?

Accepted Answer

A)  Tunicates are nonvertebrate chordates.
B)  Tunicates are all marine animals.
C)  Tunicates are sessile as adults.
D)  Tunicate larvae are tadpole-like with all of the basic chordate characteristics.
E)  Tunicate larvae can reproduce.F) A) and E)
G) A) and D)

Question 15

Our own species,________,appears to have evolved in Africa less than 200,000 years ago.

Accepted Answer

A)  Homo habilis
B)  Homo erectus
C)  Homo sapiens
D)  Homo hominis
E)  Homo australopithecusF) A) and B)
G) D) and E)

Question 16

The breast meat in a bucket of fried chicken is a muscle that normally allows a bird to

Accepted Answer

A)  run.
B)  jump.
C)  swim.
D)  feed.
E)  fly.F) D) and E)
G) A) and C)

Question 17

Sea stars belong to the

Accepted Answer

A)  Asteroidea.
B)  Holothuroidea.
C)  Echinoidea.
D)  Crinoidea.E) B) and D)
F) A) and D)

Question 18

Of the primates listed below,a human's closest extant relative is a(n)

Accepted Answer

A)  South American spider monkey.
B)  mandrill.
C)  orangutan.
D)  ring-tailed lemur.E) All of the above
F) A) and B)

Question 19

The invasion of the land by amphibians posed a number of challenges requiring evolutionary innovations.Which one of the following does NOT match a challenge with a corresponding adaptation found in amphibians?

Accepted Answer

A)  The force of gravity was greater without water's buoying effect,selecting for well-muscled legs.
B)  Additional oxygen was needed for larger muscles,selecting for the partially-divided heart and pulmonary circuit.
C)  Eggs dry out in a terrestrial environment,selecting for the amniotic egg.
D)  Gills tend to collapse out of the water,selecting for lungs and cutaneous respiration.E) None of the above
F) A) and B)

Question 20

Reptiles can maintain their internal body temperature by

Accepted Answer

A)  behavioral mechanisms.
B)  drinking warm or cool water.
C)  eating and oxidizing more food.
D)  an effective insulating covering.
E)  rerouting blood to distribute heat.F) A) and D)
G) A) and C)

Exam 34: Deuterostomes

Pulmonary veins carry

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Of the primates listed below,a human's closest extant relative is a(n)

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Small,fishlike marine chordates,pointed at both ends with no distinguishable head,in which the notochord runs the entire length of the nerve cord,are called

Correct AnswerverifiedShow Answer

A vertebrate paleontologist is hunting through chalk deposits and finds a set of fused clavicles with some other bone fragments.What has she found?

Correct AnswerverifiedShow Answer

Mammals are thought to have evolved from

Correct AnswerverifiedShow Answer

Which one of the following structures is not found in all adult and larval tunicates?

Correct AnswerverifiedShow Answer

Sea stars belong to the

Correct AnswerverifiedShow Answer

Reptiles can maintain their internal body temperature by

Correct AnswerverifiedShow Answer

Apes and humans together make up a group called

Correct AnswerverifiedShow Answer

Which one of the following incorrectly pairs a vertebrate group with its major evolutionary innovation?

Correct AnswerverifiedShow Answer

The breast meat in a bucket of fried chicken is a muscle that normally allows a bird to

Correct AnswerverifiedShow Answer

Which one of the following does not match a component of the amniotic egg with its primary function?

Correct AnswerverifiedShow Answer

Sharks have a number of fleshy gill slits instead of a bony gill cover.How does this affect their behavior?

Correct AnswerverifiedShow Answer

Our own species,________,appears to have evolved in Africa less than 200,000 years ago.

Correct AnswerverifiedShow Answer

The invasion of the land by amphibians posed a number of challenges requiring evolutionary innovations.Which one of the following does NOT match a challenge with a corresponding adaptation found in amphibians?

Correct AnswerverifiedShow Answer

All of the following features are true of primates except

Correct AnswerverifiedShow Answer

What feature do monkeys share with iguanas but not with bullfrogs?

Correct AnswerverifiedShow Answer

Which of the following statements about tunicates is incorrect?

Correct AnswerverifiedShow Answer

In humans,one pair of pharyngeal pouches become the tube-shaped organ called the

Correct AnswerverifiedShow Answer

Amphibians are not completely free to live on dry land because

Correct AnswerverifiedShow Answer

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