Question 1

Which of the following statements about protostome and deuterostome evolution is false?

Accepted Answer

A)  Both lineages exploited the abundant food supplies buried in soft marine substrates. 
B)  Many groups in both lineages developed elaborate structures for extracting prey from water. 
C)  In both lineages, a coelomic cavity evolved and became divided into compartments that allowed better control of body shape and movement. 
D)  Both lineages evolved locomotor abilities. 
E)  Both groups invaded land and evolved into very large terrestrial animals. 
A)  Both lineages exploited the abundant food supplies buried in soft marine substrates. 
B)  Many groups in both lineages developed elaborate structures for extracting prey from water. 
C)  In both lineages, a coelomic cavity evolved and became divided into compartments that allowed better control of body shape and movement. 
D)  Both lineages evolved locomotor abilities. 
E)  Both groups invaded land and evolved into very large terrestrial animals.

Question 2

Which of the following is not one of the traits shared by birds and the theropods from which they are thought to have emerged?

Accepted Answer

A)  Egg laying 
B)  A bipedal stance 
C)  Three-fingered feet 
D)  A "wishbone" 
E)  Hollow bones 
A)  Egg laying 
B)  A bipedal stance 
C)  Three-fingered feet 
D)  A "wishbone" 
E)  Hollow bones

Question 3

Members of which groups have lophophores?

Accepted Answer

A)  Phoronids, brachiopods, and nematodes 
B)  Phoronids, brachiopods, and bryozoans 
C)  Brachiopods, bryozoans, and flatworms 
D)  Phoronids, rotifers, and bryozoans 
E)  Rotifers, bryozoans, and brachiopods 
A)  Phoronids, brachiopods, and nematodes 
B)  Phoronids, brachiopods, and bryozoans 
C)  Brachiopods, bryozoans, and flatworms 
D)  Phoronids, rotifers, and bryozoans 
E)  Rotifers, bryozoans, and brachiopods

Question 4

Which of the following was not a change that accompanied the transition from the australopithecines to Homo habilis?

Accepted Answer

A)  Increase in brain size 
B)  Change in diet 
C)  Increase in body size 
D)  Use of tools 
E)  Dispersal of populations to Europe and Asia 
A)  Increase in brain size 
B)  Change in diet 
C)  Increase in body size 
D)  Use of tools 
E)  Dispersal of populations to Europe and Asia

Question 5

Use the following to answer questions:
Refer to the diagram below.  
-List all of the groups included in the archosaurs, dinosaurs, lepidosaurs, and reptiles.

Accepted Answer

Archosaurs: crocodilians, pter

Question 6

When a starfish, a type of echinoderm, is resting on the seafloor, its _______ face(s) the seafloor, whereas the ______ is on the upper surface of the animal.

Accepted Answer

A)  mouth; anus 
B)  tube canal; mouth 
C)  tube feet; anus 
D)  Either a or b 
E)  Either a or c 
A)  mouth; anus 
B)  tube canal; mouth 
C)  tube feet; anus 
D)  Either a or b 
E)  Either a or c

Question 7

Use the following to answer questions:
Match the correct group of organisms from the list below with the evolutionary innovations specified in the questions that follow.

-Swim bladders 
A) Reptiles
B) Birds
C) Ray-finned fishes
D) Chondrichthyans
E) Echinoderms

Accepted Answer

The answer of Use the following to answer questions:
Match the...

Question 8

The hominids-the evolutionary lineage that led to humans-separated from the other ape lineages about _______ million years ago in Africa.

Accepted Answer

A)  1 
B)  3 
C)  6 
D)  30 
E)  60 
A)  1 
B)  3 
C)  6 
D)  30 
E)  60

Question 9

The arthropod exoskeleton is composed of a

Accepted Answer

A)  mixture of several kinds of polysaccharides. 
B)  mixture of several kinds of proteins. 
C)  single complex polysaccharide called chitin. 
D)  single complex protein called arthropodin. 
E)  mixture of layers of proteins and a polysaccharide called chitin. 
A)  mixture of several kinds of polysaccharides. 
B)  mixture of several kinds of proteins. 
C)  single complex polysaccharide called chitin. 
D)  single complex protein called arthropodin. 
E)  mixture of layers of proteins and a polysaccharide called chitin.

Question 10

The chondrichthyans, including sharks, skates, and rays, and chimaeras,

Accepted Answer

A)  are hagfishes. 
B)  have heavy external armor. 
C)  have an open circulatory system. 
D)  have skeletons with little cartilage. 
E)  have less external armor and are faster swimmers than their ancestors. 
A)  are hagfishes. 
B)  have heavy external armor. 
C)  have an open circulatory system. 
D)  have skeletons with little cartilage. 
E)  have less external armor and are faster swimmers than their ancestors.

Question 11

Which of the following is a major difference between the chondrichthyans and the ray-finned fishes?

Accepted Answer

A)  Only chondrichthyans have a lung or swim bladder. 
B)  Chondrichthyans have a cartilaginous skeleton, whereas ray-finned fishes have a bony skeleton. 
C)  Only ray-finned fishes have paired fins. 
D)  Chondrichthyans evolved in fresh water, whereas ray-finned fishes evolved in salt water. 
E)  Only chondrichthyans have true jaws. 
A)  Only chondrichthyans have a lung or swim bladder. 
B)  Chondrichthyans have a cartilaginous skeleton, whereas ray-finned fishes have a bony skeleton. 
C)  Only ray-finned fishes have paired fins. 
D)  Chondrichthyans evolved in fresh water, whereas ray-finned fishes evolved in salt water. 
E)  Only chondrichthyans have true jaws.

Question 12

Which of the following vertebrate groups is a living representative of the dinosaur lineage?

Accepted Answer

A)  Crocodilians 
B)  Birds 
C)  Lobe-finned fishes 
D)  Snakes 
E)  Lepidosaurs 
A)  Crocodilians 
B)  Birds 
C)  Lobe-finned fishes 
D)  Snakes 
E)  Lepidosaurs

Question 13

The brain of Homo sapiens reached its modern size approximately _______ years ago.

Accepted Answer

A)  160 thousand 
B)  160 million 
C)  16 million 
D)  60 million 
E)  600 million 
A)  160 thousand 
B)  160 million 
C)  16 million 
D)  60 million 
E)  600 million

Question 14

Nautiluses control their buoyancy by

Accepted Answer

A)  adjusting salt concentrations in their blood. 
B)  forcibly expelling water from the mantle. 
C)  pumping water and gases in and out of internal chambers. 
D)  using the complex sensory organs in their heads. 
E)  swimming rapidly. 
A)  adjusting salt concentrations in their blood. 
B)  forcibly expelling water from the mantle. 
C)  pumping water and gases in and out of internal chambers. 
D)  using the complex sensory organs in their heads. 
E)  swimming rapidly.

Question 15

Living deuterostomes comprise three clades, the echinoderms, the chordates, and the

Accepted Answer

A)  urochordates. 
B)  cephalochordates. 
C)  hemichordates. 
D)  vertebrates. 
E)  yunnanzoans. 
A)  urochordates. 
B)  cephalochordates. 
C)  hemichordates. 
D)  vertebrates. 
E)  yunnanzoans.

Question 16

The evolution of a hinged jaw resulted in an extensive radiation of the fishes into the many modern jawed forms. What was the main advantage and significance of hinged jaws in this radiation?

Accepted Answer

The hinged jaw of the fishes evolved dur

Question 17

During the Devonian, the partly terrestrial _______ arose from an ancestor they shared with lungfishes.

Accepted Answer

The answer of During the Devonian, the partly terrestrial _______...

Question 18

Which of the following represents the probable order in which human ancestors made their appearance?

Accepted Answer

A)  Homo habilis; Australopithecus afarensis; Homo erectus; Australopithecus garhi 
B)  Australopithecus garhi; Homo habilis; Homo erectus; Australopithecus afarensis 
C)  Australopithecus garhi; Australopithecus afarensis; Homo habilis; Homo erectus 
D)  Australopithecus afarensis; Australopithecus garhi; Homo habilis; Homo erectus 
E)  Australopithecus afarensis; Australopithecus garhi; Homo erectus; Homo habilis 
A)  Homo habilis; Australopithecus afarensis; Homo erectus; Australopithecus garhi 
B)  Australopithecus garhi; Homo habilis; Homo erectus; Australopithecus afarensis 
C)  Australopithecus garhi; Australopithecus afarensis; Homo habilis; Homo erectus 
D)  Australopithecus afarensis; Australopithecus garhi; Homo habilis; Homo erectus 
E)  Australopithecus afarensis; Australopithecus garhi; Homo erectus; Homo habilis

Question 19

_______ are bilaterally symmetrical animals that possess a dorsal hollow nerve cord, a tail that extends beyond the anus, and a notochord at some stage of their life cycle.

Accepted Answer

The answer of _______ are bilaterally symmetrical animals that possess...

Question 20

Which of the following statements relating to archosaurs is false?

Accepted Answer

A)  Archosaurs include crocodilians, dinosaurs, and birds. 
B)  Dinosaurs were the dominant land animals for 150 million years. 
C)  Birds are the only surviving dinosaurs. 
D)  The bones of birds are hollow. 
E)  The feathers of fossil dinosaurs are quite different from those of birds. 
A)  Archosaurs include crocodilians, dinosaurs, and birds. 
B)  Dinosaurs were the dominant land animals for 150 million years. 
C)  Birds are the only surviving dinosaurs. 
D)  The bones of birds are hollow. 
E)  The feathers of fossil dinosaurs are quite different from those of birds.

Exam 33: Deuterostome Animals

Which of the following statements about protostome and deuterostome evolution is false?

Which of the following is not one of the traits shared by birds and the theropods from which they are thought to have emerged?

Members of which groups have lophophores?

Which of the following was not a change that accompanied the transition from the australopithecines to Homo habilis?

Use the following to answer questions: Refer to the diagram below. -List all of the groups included in the archosaurs, dinosaurs, lepidosaurs, and reptiles.

When a starfish, a type of echinoderm, is resting on the seafloor, its _______ face(s) the seafloor, whereas the ______ is on the upper surface of the animal.

Use the following to answer questions: Match the correct group of organisms from the list below with the evolutionary innovations specified in the questions that follow. -Swim bladders A) Reptiles B) Birds C) Ray-finned fishes D) Chondrichthyans E) Echinoderms

The hominids-the evolutionary lineage that led to humans-separated from the other ape lineages about _______ million years ago in Africa.

The arthropod exoskeleton is composed of a

The chondrichthyans, including sharks, skates, and rays, and chimaeras,

Which of the following is a major difference between the chondrichthyans and the ray-finned fishes?

Which of the following vertebrate groups is a living representative of the dinosaur lineage?

The brain of Homo sapiens reached its modern size approximately _______ years ago.

Nautiluses control their buoyancy by

Living deuterostomes comprise three clades, the echinoderms, the chordates, and the

The evolution of a hinged jaw resulted in an extensive radiation of the fishes into the many modern jawed forms. What was the main advantage and significance of hinged jaws in this radiation?

During the Devonian, the partly terrestrial _______ arose from an ancestor they shared with lungfishes.

Which of the following represents the probable order in which human ancestors made their appearance?

_______ are bilaterally symmetrical animals that possess a dorsal hollow nerve cord, a tail that extends beyond the anus, and a notochord at some stage of their life cycle.

Which of the following statements relating to archosaurs is false?

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When a starfish, a type of echinoderm, is resting on the seafloor, its _ face(s) the seafloor, whereas the is on the upper surface of the animal.