Question 1

An animal that is characterized by vertebrae, dorsal hollow nerve cord, hair, and mammary glands must be a(n)

Accepted Answer

A)  fish. 
B)  amphibian. 
C)  reptile. 
D)  bird. 
E)  mammal. 
A)  fish. 
B)  amphibian. 
C)  reptile. 
D)  bird. 
E)  mammal.

Question 2

Which of these is an accurate comparison 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. 
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.

Question 3

Which type of mammal lays eggs?

Accepted Answer

A)  monotremes 
B)  marsupials 
C)  placentals 
D)  snakes 
E)  birds 
A)  monotremes 
B)  marsupials 
C)  placentals 
D)  snakes 
E)  birds

Question 4

Which of the following inaccurately describes primates?

Accepted Answer

A)  nails on hands and feet 
B)  stereoscopic vision 
C)  well-developed brain 
D)  opposable thumb 
E)  rapid growth after birth 
A)  nails on hands and feet 
B)  stereoscopic vision 
C)  well-developed brain 
D)  opposable thumb 
E)  rapid growth after birth

Question 5

Which of these statements about sharks is inaccurate?

Accepted Answer

A)  ability to sense electric currents in the water 
B)  skeleton of cartilage 
C)  a sucker used to attach to prey 
D)  ability to sense pressure of other swimming objects 
E)  ability to detect blood in minute amounts 
A)  ability to sense electric currents in the water 
B)  skeleton of cartilage 
C)  a sucker used to attach to prey 
D)  ability to sense pressure of other swimming objects 
E)  ability to detect blood in minute amounts

Question 6

Which species is believed to be the first creature to walk erect and possibly be the first hominin?

Accepted Answer

A)  Ardipithecus kadabba 
B)  Australopithecus anamensis 
C)  Ardipithecus ramidus 
D)  Australopithecus afarensis 
E)  Homo habilis 
A)  Ardipithecus kadabba 
B)  Australopithecus anamensis 
C)  Ardipithecus ramidus 
D)  Australopithecus afarensis 
E)  Homo habilis

Question 7

The jawless fish that is parasitic, attaching itself to and sucking fluids from the tissues of a living fish, is the

Accepted Answer

A)  hagfish. 
B)  lamprey. 
C)  coelacanth. 
D)  skate. 
E)  ray-finned fish. 
A)  hagfish. 
B)  lamprey. 
C)  coelacanth. 
D)  skate. 
E)  ray-finned fish.

Question 8

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. 
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.

Question 9

Vertebrates possessing a four-chambered heart are mostly

Accepted Answer

A)  bipedal. 
B)  all birds. 
C)  endothermic. 
D)  ectothermic. 
E)  reptiles. 
A)  bipedal. 
B)  all birds. 
C)  endothermic. 
D)  ectothermic. 
E)  reptiles.

Question 10

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

Accepted Answer

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

Question 11

Which of the following features was necessary for adaptation by reptiles to life on land?

Accepted Answer

A)  hard, horny scales 
B)  internal fertilization by means of a penis 
C)  shelled egg 
D)  well-developed lungs 
E)  All the answer choices describe features necessary for reptile adaptation to life on land. 
A)  hard, horny scales 
B)  internal fertilization by means of a penis 
C)  shelled egg 
D)  well-developed lungs 
E)  All the answer choices describe features necessary for reptile adaptation to life on land.

Question 12

What is the correct evolutionary pathway for the key features of chordates?

Accepted Answer

A)  notochord-vertebrae-jaws-bony skeleton-lungs-4 limbs-amniotic egg-mammary glands 
B)  vertebrae-notochord-jaws-bony skeleton-lungs-4 limbs-amniotic egg-mammary glands 
C)  notochord-vertebrae-jaws-bony skeleton-lungs-amniotic egg-4 limbs-mammary glands 
D)  notochord-vertebrae-jaws-bony skeleton-mammary glands-lungs-4 limbs-amniotic egg 
E)  mammary glands-notochord-vertebrae-jaws-lungs-4 limbs-amniotic egg-bony skeleton 
A)  notochord-vertebrae-jaws-bony skeleton-lungs-4 limbs-amniotic egg-mammary glands 
B)  vertebrae-notochord-jaws-bony skeleton-lungs-4 limbs-amniotic egg-mammary glands 
C)  notochord-vertebrae-jaws-bony skeleton-lungs-amniotic egg-4 limbs-mammary glands 
D)  notochord-vertebrae-jaws-bony skeleton-mammary glands-lungs-4 limbs-amniotic egg 
E)  mammary glands-notochord-vertebrae-jaws-lungs-4 limbs-amniotic egg-bony skeleton

Question 13

List the features that make amphibians different than the fishes.

Accepted Answer

1. Jointed appendages
2. Four

Question 14

The ability to throw spears and kill animals from a distance gave Cro-Magnons an advantage in their environment.

Accepted Answer

A) True 
 B)False

Question 15

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. 
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.

Question 16

Extraembryonic membranes are absent in

Accepted Answer

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

Question 17

The organ of nutrition used in fetal development in the most successful mammals is the

Accepted Answer

A)  mammary gland. 
B)  egg. 
C)  pouch. 
D)  placenta. 
E)  amniote egg. 
A)  mammary gland. 
B)  egg. 
C)  pouch. 
D)  placenta. 
E)  amniote egg.

Question 18

Sharks

Accepted Answer

A)  have bony skeletons. 
B)  lack jaws. 
C)  have a keen sense of smell. 
D)  lack the lateral line system of bony fishes. 
E)  do not have paired fins. 
A)  have bony skeletons. 
B)  lack jaws. 
C)  have a keen sense of smell. 
D)  lack the lateral line system of bony fishes. 
E)  do not have paired fins.

Question 19

Which of these characteristics is associated with flight requirements in birds?

Accepted Answer

A)  light, hollow bones 
B)  a light, horny beak with no teeth 
C)  respiratory air sacs and lungs with one-way air flow 
D)  an enlarged breastbone with strong muscles attached 
E)  All of the answers list requirements for flight in birds. 
A)  light, hollow bones 
B)  a light, horny beak with no teeth 
C)  respiratory air sacs and lungs with one-way air flow 
D)  an enlarged breastbone with strong muscles attached 
E)  All of the answers list requirements for flight in birds.

Question 20

Identify the three living lineages of mammals and describe the feature that makes each one unique.

Accepted Answer

1. Monotremes: presence of a cloaca and

Exam 32: Animals: Chordates and Vertebrates

An animal that is characterized by vertebrae, dorsal hollow nerve cord, hair, and mammary glands must be a(n)

Which of these is an accurate comparison between birds and mammals?

Which type of mammal lays eggs?

Which of the following inaccurately describes primates?

Which of these statements about sharks is inaccurate?

Which species is believed to be the first creature to walk erect and possibly be the first hominin?

The jawless fish that is parasitic, attaching itself to and sucking fluids from the tissues of a living fish, is the

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

Vertebrates possessing a four-chambered heart are mostly

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

Which of the following features was necessary for adaptation by reptiles to life on land?

What is the correct evolutionary pathway for the key features of chordates?

List the features that make amphibians different than the fishes.

The ability to throw spears and kill animals from a distance gave Cro-Magnons an advantage in their environment.

The lancelets are found

Extraembryonic membranes are absent in

The organ of nutrition used in fetal development in the most successful mammals is the

Sharks

Which of these characteristics is associated with flight requirements in birds?

Identify the three living lineages of mammals and describe the feature that makes each one unique.

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