Question 1

When a tourist buys a sand dollar at a beach shop,what are they buying?

Accepted Answer

A)  A calcium carbonate shell secreted from the mantle
B)  Anendoskeleton of calcium carbonate ossicles
C)  A molted exoskeleton made of chitin
D)  An endoskeleton made of bone
E)  An endoskeleton made of cartilageF) A) and E)
G) B) and D)

Question 2

Scuba divers use a BCD to control buoyancy.It is essentially a bag that can be inflated or deflated to prevent excessive sinking or floating.How do bony fish accomplish this?

Accepted Answer

A)  They pump their operculum.
B)  They adjust the level of gasses in their swim bladder.
C)  They adjust their position using the pectoral and pelvic fins.
D)  They swim rapidly to saturate the blood with oxygen.E) C) and D)
F) None of the above

Question 3

A friend of yours visited a natural history museum that had a replica of the Archaeopteryx.She told you the characteristics of Archaeopteryx that she either noticed or read at the display.Which one did she misread?

Accepted Answer

A)  Archaeopteryx had feathers,as do modern birds.
B)  Archaeopteryx lacked teeth,as do modern birds.
C)  Archaeopteryx had solid bones,unlike the hollow bones of modern birds.
D)  Archaeopteryx had wings as do modern birds.
E)  Archaeopteryx had a long tail,unlike modern birds.F) A) and E)
G) A) and D)

Question 4

All of the following about Homo habilis is true except

Accepted Answer

A)  the species lived in Africa for 500,000 years and then became extinct.
B)  the species coexisted with dinosaurs.
C)  the species was replaced by a new kind of human,which had a larger brain.
D)  the species was small in stature.
E)  the species was associated with tools.F) B) and D)
G) B) and C)

Question 5

Which of the following has the longest fossil record?

Accepted Answer

A)  Homo sapiens
B)  Homo erectus
C)  Homo habilis
D)  Homo neanderthalensis
E)  Homo heidelbergensisF) A) and B)
G) A) and D)

Question 6

If an adult human suffered a traumatic injury,could their notochord be damaged?

Accepted Answer

A)  Yes; because the notochord is deep within the body only a severe injury could damage it.
B)  No; the notochord is encased in bone and it not susceptible to damage.
C)  Yes; damage to the notochord often results in paralysis.
D)  No; adult humans do not have a notochord.E) A) and B)
F) B) and C)

Question 7

In terms of number of species,the most successful terrestrial vertebrates that invaded the air are

Accepted Answer

A)  insects.
B)  pterosaurs.
C)  birds.
D)  bats.
E)  flying monkeys.F) B) and C)
G) C) and D)

Question 8

You dissect a specimen of a vertebrate during an anatomy laboratory.It has the following characteristics: lungs,abundant blood capillaries under thin skin,a partially-divided heart,a pulmonary circuit,and four walking legs.What is this animal?

Accepted Answer

A)  lungfish
B)  amphibian
C)  reptile
D)  placental mammal
E)  marsupial mammalF) A) and C)
G) B) and D)

Question 9

The mucous sheet produced by the endostyle traps the microscopic food particles in the water.This sheet is located in the pharynx of what animal?

Accepted Answer

A)  arrow worm
B)  tunicate
C)  acorn worm
D)  lancelet
E)  crinoidF) C) and E)
G) C) and D)

Question 10

Features that have been retained by reptiles from the time they replaced the amphibians as the dominant terrestrial vertebrates include all of the following,except

Accepted Answer

A)  the amniotic egg.
B)  dry skin.
C)  thoracic breathing.
D)  reoriented appendages.
E)  endothermy.F) A) and D)
G) B) and E)

Question 11

Modern humans share the greatest similarities with which one of the hominids?

Accepted Answer

A)  Australopithecines
B)  Neanderthals
C)  Cro-Magnons
D)  Prosimians
E)  PrimatesF) A) and E)
G) B) and E)

Question 12

What do echinoderms and chordates have in common?

Accepted Answer

A)  endoskeletons
B)  dorsal nerve cords
C)  protostome development
D)  ecdysisE) B) and D)
F) A) and B)

Question 13

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 C)

Question 14

One of the most critical adaptations of the reptiles in relation to their life on land is the evolution of the

Accepted Answer

A)  amniotic egg.
B)  allantois egg.
C)  chorionic egg.
D)  diploid egg.
E)  swim bladder.F) None of the above
G) All of the above

Question 15

In addition to a vertebral column,all vertebrates have

Accepted Answer

A)  a distinctive head or skull.
B)  an open circulatory system.
C)  gills.
D)  scales.
E)  a tunic.F) C) and E)
G) B) and D)

Question 16

Which one of the following is not an adaptation shown by modern birds?

Accepted Answer

A)  a respiratory system that allows all of the air to pass through the lungs in one direction
B)  complete division of the heart into right and left halves
C)  endothermy
D)  wings and a long feathered tail
E)  modified beaks and feet to support feeding behaviorF) A) and B)
G) All of the above

Question 17

To which group of fishes does the following description apply: swim bladder,bony skeleton,and paired fins supported by bony rays.

Accepted Answer

A)  Sarcopterygi
B)  Actinopterygi
C)  Chondrichthyes
D)  Placodermi
E)  AcanthodiiF) A) and B)
G) A) and C)

Question 18

A tunicate looks like a sponge.How could a biologist distinguish it from a member of the Porifera?

Accepted Answer

A)  Tunicates do not filter feed.
B)  Only tunicates produce gametes.
C)  Unlike tunicates,sponges are symmetrical.
D)  Tunicates have a stomach.E) None of the above
F) B) and C)

Question 19

Of the following sequences,which one reflects the best scientific knowledge about the succession of Homo species from the past until the present?

Accepted Answer

A)  Homo heidelbergensis → Homo habilis → Homo sapiens → Homo erectus
B)  Homo habilis → Homo heidelbergensis → Homo erectus → Homo sapiens
C)  Homo heidelbergensis → Homo sapiens → Homo erectus → Homo habilis
D)  Homo sapiens → Homo heidelbergensis → Homo habilis → Homo erectus
E)  Homo habilis → Homo erectus → Homo heidelbergensis → Homo sapiensF) A) and D)
G) B) and E)

Question 20

Which of the following is considered the key innovation that started chordates along the evolutionary path that led to vertebrates?

Accepted Answer

A)  a flexible rod to which muscles are attached,which allowed lateral movement of the back
B)  an internal endoskeleton
C)  a skin covering the entire body to prevent desiccation
D)  a hard shell encasing the body
E)  amniotic eggF) D) and E)
G) B) and D)

Exam 34: Deuterostomes

What do echinoderms and chordates have in common?

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Features that have been retained by reptiles from the time they replaced the amphibians as the dominant terrestrial vertebrates include all of the following,except

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Which one of the following is not an adaptation shown by modern birds?

Correct AnswerverifiedShow Answer

In terms of number of species,the most successful terrestrial vertebrates that invaded the air are

Correct AnswerverifiedShow Answer

The only marsupial mammal living in North America is the

Correct AnswerverifiedShow Answer

All of the following about Homo habilis is true except

Correct AnswerverifiedShow Answer

Which of the following has the longest fossil record?

Correct AnswerverifiedShow Answer

A friend of yours visited a natural history museum that had a replica of the Archaeopteryx.She told you the characteristics of Archaeopteryx that she either noticed or read at the display.Which one did she misread?

Correct AnswerverifiedShow Answer

In addition to a vertebral column,all vertebrates have

Correct AnswerverifiedShow Answer

Of the following sequences,which one reflects the best scientific knowledge about the succession of Homo species from the past until the present?

Correct AnswerverifiedShow Answer

Scuba divers use a BCD to control buoyancy.It is essentially a bag that can be inflated or deflated to prevent excessive sinking or floating.How do bony fish accomplish this?

Correct AnswerverifiedShow Answer

You dissect a specimen of a vertebrate during an anatomy laboratory.It has the following characteristics: lungs,abundant blood capillaries under thin skin,a partially-divided heart,a pulmonary circuit,and four walking legs.What is this animal?

Correct AnswerverifiedShow Answer

Which of the following is considered the key innovation that started chordates along the evolutionary path that led to vertebrates?

Correct AnswerverifiedShow Answer

One of the most critical adaptations of the reptiles in relation to their life on land is the evolution of the

Correct AnswerverifiedShow Answer

When a tourist buys a sand dollar at a beach shop,what are they buying?

Correct AnswerverifiedShow Answer

Modern humans share the greatest similarities with which one of the hominids?

Correct AnswerverifiedShow Answer

If an adult human suffered a traumatic injury,could their notochord be damaged?

Correct AnswerverifiedShow Answer

To which group of fishes does the following description apply: swim bladder,bony skeleton,and paired fins supported by bony rays.

Correct AnswerverifiedShow Answer

A tunicate looks like a sponge.How could a biologist distinguish it from a member of the Porifera?

Correct AnswerverifiedShow Answer

The mucous sheet produced by the endostyle traps the microscopic food particles in the water.This sheet is located in the pharynx of what animal?

Correct AnswerverifiedShow Answer

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