Question 1

Chordates have all the following characteristics at some time in their lives except

Accepted Answer

A)  a nerve cord.
B)  a notochord.
C)  pharyngeal slits.
D)  a postanal tail.
E)  an endostylE.F) C) and E)
G) B) and C)

Question 2

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) C) and D)
G) A) and D)

Question 3

Which one of the following is not a correct pairing of a primate group and its major constituents?

Accepted Answer

A)  Primates: prosimians and anthropoids
B)  Prosimians: lemurs,lories,and tarsiers
C)  Anthropoids: old and new world monkeys,apes,and hominoids
D)  Hominoids: apes and hominids
E)  Hominids: chimpanzee,humans and our direct ancestorsF) B) and E)
G) C) and D)

Question 4

Birds are different from reptiles in all of the following features except

Accepted Answer

A)  endothermy.
B)  their lack of teeth.
C)  the presence of feathers.
D)  the presence of a flight skeleton.
E)  bipedalism.F) D) and E)
G) All of the above

Question 5

Apes and humans together make up a group called

Accepted Answer

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

Question 6

All of the following features are true of Anthropoids except

Accepted Answer

A)  they include monkeys,apes,and humans.
B)  almost all were diurnal.
C)  opposable thumbs.
D)  living in groups with complex social interactions.
E)  changes to eye design and increase in brain sizE.F) A) and D)
G) A) and C)

Question 7

Which one of the following is the least likely reason that bipedalism evolved in hominoids?

Accepted Answer

A)  requires less energy than walking with all four legs
B)  frees the hands for tool-making
C)  frees the hands for carrying food to be shared with others
D)  allows better surveillance for predators
E)  increases access to food resourcesF) A) and E)
G) B) and E)

Question 8

In addition to hair and mammary glands,several other adaptations are seen in many mammals.Select from the following list an adaptation that is not present in any mammals.

Accepted Answer

A)  four-chambered heart
B)  direct connection between the mother's circulation and that of the fetus
C)  diaphragm
D)  skin stretched between the four fingers to form wings
E)  specialized teethF) A) and E)
G) C) and D)

Question 9

One characteristic that New World monkeys have that Old World monkeys lack is

Accepted Answer

A)  binocular vision.
B)  opposable thumbs.
C)  hair covering their bodies.
D)  prehensile tails.
E)  females have mammary glands.F) C) and D)
G) B) and E)

Question 10

Early species of _____,the genus of the oldest members of humans,had a distinctly larger brain than australopithecines and most likely used tools.

Accepted Answer

The answer of Early species of _____,the genus of the...

Question 11

The hominid australopithecines are generally accepted to be different from modern-humans because

Accepted Answer

A)  only humans are bipedal.
B)  the human skull is apelike in appearance with a strongly projecting face.
C)  human brains on an average are at least twice as large in size.
D)  human arms are longer than legs.
E)  only humans are meat-eaters.F) A) and B)
G) A) and E) C

Question 12

Amphibians are thought to have evolved from

Accepted Answer

A)  ray-finned fish.
B)  lobe-finned fish.
C)  spiny fish.
D)  skates and rays.
E)  annelids.F) D) and E)
G) B) and D)

Question 13

Which one of the following is not true about tunicates?

Accepted Answer

A)  Adult forms are sessile and filter feeding.
B)  Adult forms secrete a tunic composed mainly of cellulose.
C)  Adult forms are not segmented.
D)  Larval forms show all chordate characteristics.
E)  Larval forms feed actively.F) B) and D)
G) A) and E)

Question 14

The key specializations that occurred in the evolution of mammals include all of the following except

Accepted Answer

A)  warm-bloodedness.
B)  the presence of a placenta in most.
C)  different teeth suited to their diet.
D)  digestive tract specialization.
E)  reduction in brain sizE.F) B) and E)
G) B) and C) E

Question 15

Choose the letter of the best match from the following:
-Cougar,mountain lion.

Accepted Answer

A)  bird
B)  reptile
C)  amphibian
D)  bony fish
E)  mammalF) B) and D)
G) D) and E)

Question 16

Modern birds are characterized by all of the following except

Accepted Answer

A)  feathers.
B)  thin,hollow skeletons and auxiliary air sacs.
C)  a four chambered heart.
D)  the amniotic egg.
E)  ectothermy.F) A) and E)
G) A) and D)

Question 17

Which one of the following is characteristic of all mammals and not of any other living vertebrates?

Accepted Answer

A)  hair
B)  maternal care
C)  a four chambered heart with pulmonary circuit
D)  endothermy
E)  live birthF) All of the above
G) B) and C) A

Question 18

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) B) and D)

Question 19

The only marsupial mammal living in North America is the

Accepted Answer

A)  opossum.
B)  raccoon.
C)  ring-tailed cat.
D)  weasel.
E)  wombat.F) B) and D)
G) A) and B)

Question 20

The chordates include all of the following except

Accepted Answer

A)  Amphioxus.
B)  echinoderms.
C)  mammals.
D)  birds.
E)  amphibians.F) C) and D)
G) A) and B)

Exam 35: Vertebrates

Chordates have all the following characteristics at some time in their lives except

Correct AnswerverifiedShow Answer

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

Which one of the following is not a correct pairing of a primate group and its major constituents?

Correct AnswerverifiedShow Answer

Birds are different from reptiles in all of the following features except

Correct AnswerverifiedShow Answer

Apes and humans together make up a group called

Correct AnswerverifiedShow Answer

All of the following features are true of Anthropoids except

Correct AnswerverifiedShow Answer

Which one of the following is the least likely reason that bipedalism evolved in hominoids?

Correct AnswerverifiedShow Answer

In addition to hair and mammary glands,several other adaptations are seen in many mammals.Select from the following list an adaptation that is not present in any mammals.

Correct AnswerverifiedShow Answer

One characteristic that New World monkeys have that Old World monkeys lack is

Correct AnswerverifiedShow Answer

Early species of _____,the genus of the oldest members of humans,had a distinctly larger brain than australopithecines and most likely used tools.

Correct AnswerverifiedShow Answer

The hominid australopithecines are generally accepted to be different from modern-humans because

Correct AnswerverifiedC

Amphibians are thought to have evolved from

Correct AnswerverifiedShow Answer

Which one of the following is not true about tunicates?

Correct AnswerverifiedShow Answer

The key specializations that occurred in the evolution of mammals include all of the following except

Correct AnswerverifiedE

Choose the letter of the best match from the following: -Cougar,mountain lion.

Correct AnswerverifiedShow Answer

Modern birds are characterized by all of the following except

Correct AnswerverifiedShow Answer

Which one of the following is characteristic of all mammals and not of any other living vertebrates?

Correct AnswerverifiedA

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

Correct AnswerverifiedShow Answer

The only marsupial mammal living in North America is the

Correct AnswerverifiedShow Answer

The chordates include all of the following except

Correct AnswerverifiedShow Answer

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C

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E

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A

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