Question 1

Which of the following statements about marsupial mammals is true?

Accepted Answer

A)  They are the only egg-laying mammals. 
B)  Their mammary glands have no nipples. 
C)  They have no placentas. 
D)  Gestation is short, and the young complete development outside the uterus in a special pouch. 
E)  They are found only in Australia. 
A)  They are the only egg-laying mammals. 
B)  Their mammary glands have no nipples. 
C)  They have no placentas. 
D)  Gestation is short, and the young complete development outside the uterus in a special pouch. 
E)  They are found only in Australia. D

Question 2

Hemichordates differ from echinoderms in that

Accepted Answer

A)  echinoderms do not have a bilaterally symmetric stage. 
B)  hemichordates have bodies composed of three parts. 
C)  adult echinoderms have a head. 
D)  adult echinoderms have an anterior-posterior body plan. 
E)  adult hemichordates have radial symmetry. 
A)  echinoderms do not have a bilaterally symmetric stage. 
B)  hemichordates have bodies composed of three parts. 
C)  adult echinoderms have a head. 
D)  adult echinoderms have an anterior-posterior body plan. 
E)  adult hemichordates have radial symmetry. B

Question 3

Which of the following is not one of the hypotheses for the global decline in amphibian diversity?

Accepted Answer

A)  Habitat alteration 
B)  Destruction of Earth's ozone layer 
C)  Pollution from industrial areas 
D)  Spread of a pathogenic fungus 
E)  Lack of food 
A)  Habitat alteration 
B)  Destruction of Earth's ozone layer 
C)  Pollution from industrial areas 
D)  Spread of a pathogenic fungus 
E)  Lack of food E

Question 4

Ascidians, or sea squirts, are armless and legless organisms that spend their adult lives attached to a substrate under water. They feed by pulling water into one tube, filtering out planktonic organisms, and pushing the water out another tube. Grasshoppers have legs, move around freely on land, and feed by ingesting food through a mouth. What evidence has led biologists to believe that humans are more closely related to sea squirts than to grasshoppers?

Accepted Answer

Although adult ascidians and adult human

Question 5

Use the following to answer questions:
Refer to the diagram below.  
-What is the outgroup?

Accepted Answer

The amniot

Question 6

Which of the following statements about coelacanths is false?

Accepted Answer

A)  They are sarcopterygians. 
B)  Latimeria chalumnae is a well-known living species. 
C)  They have lungs, but no gills. 
D)  The bones in their pectoral and pelvic limbs have joints. 
E)  The lineage is the sister group of the lungfishes and tetrapods. 
A)  They are sarcopterygians. 
B)  Latimeria chalumnae is a well-known living species. 
C)  They have lungs, but no gills. 
D)  The bones in their pectoral and pelvic limbs have joints. 
E)  The lineage is the sister group of the lungfishes and tetrapods.

Question 7

Which of the following make up the sister group to the snakes and lizards?

Accepted Answer

A)  Birds 
B)  Tuataras 
C)  Crocodiles 
D)  Pterosaurs 
E)  Dinosaurs 
A)  Birds 
B)  Tuataras 
C)  Crocodiles 
D)  Pterosaurs 
E)  Dinosaurs

Question 8

Which of the following is not a unique characteristic of the vertebrate body plan?

Accepted Answer

A)  A rigid internal skeleton with the vertebral column 
B)  Two pairs of appendages 
C)  Jaws 
D)  An anterior skull with a large brain 
E)  Both c and d 
A)  A rigid internal skeleton with the vertebral column 
B)  Two pairs of appendages 
C)  Jaws 
D)  An anterior skull with a large brain 
E)  Both c and d

Question 9

Which group of living eutherian mammals has the most species?

Accepted Answer

A)  Rodentia (gnawing mammals) 
B)  Lagomorpha (rabbits and kin) 
C)  Pilosa (anteaters, sloths) 
D)  Carnivora (carnivores) 
E)  Cetartiodactyla (even-hoofed animals and cetaceans) 
A)  Rodentia (gnawing mammals) 
B)  Lagomorpha (rabbits and kin) 
C)  Pilosa (anteaters, sloths) 
D)  Carnivora (carnivores) 
E)  Cetartiodactyla (even-hoofed animals and cetaceans)

Question 10

Which of the following is not part of the evidence that birds are closely related to dinosaurs?

Accepted Answer

A)  The presence of feathers in representatives of both groups 
B)  The presence of hollow bones in representatives of both groups 
C)  DNA sequence data comparing birds to other living reptiles 
D)  A bipedal stance in fossilized therapods 
E)  The ability to fly 
A)  The presence of feathers in representatives of both groups 
B)  The presence of hollow bones in representatives of both groups 
C)  DNA sequence data comparing birds to other living reptiles 
D)  A bipedal stance in fossilized therapods 
E)  The ability to fly

Question 11

The calcification of an internal skeleton is characteristic of the

Accepted Answer

A)  urochordates. 
B)  echinoderms. 
C)  hemichordates. 
D)  brachiopods. 
E)  phoronids. 
A)  urochordates. 
B)  echinoderms. 
C)  hemichordates. 
D)  brachiopods. 
E)  phoronids.

Question 12

Which of the following groups has a water vascular system?

Accepted Answer

A)  Mollusks 
B)  Chordates 
C)  Annelids 
D)  Echinoderms 
E)  Hemichordates 
A)  Mollusks 
B)  Chordates 
C)  Annelids 
D)  Echinoderms 
E)  Hemichordates

Question 13

A major change in the evolutionary lineage leading to the chordates was the

Accepted Answer

A)  evolution of the water vascular system. 
B)  development of a dorsal hollow nerve cord. 
C)  calcification of an internal skeleton. 
D)  development of the lophophore as an adaptation to predatory life. 
E)  ability to filter feed. 
A)  evolution of the water vascular system. 
B)  development of a dorsal hollow nerve cord. 
C)  calcification of an internal skeleton. 
D)  development of the lophophore as an adaptation to predatory life. 
E)  ability to filter feed.

Question 14

The principal reason we consider tunicates (sea squirts) similar to the ancestor of all chordates is that

Accepted Answer

A)  the body plan of adult tunicates parallels that of chordates. 
B)  tunicate larvae possess the synapomorphies of adult chordates and thus reveal close evolutionary relationships with them. 
C)  tunicates have a lophophore-style mouth. 
D)  tunicate larvae are primitive in all of their features. 
E)  tunicate adults are very similar to the ancestors of cephalochordates and vertebrates. 
A)  the body plan of adult tunicates parallels that of chordates. 
B)  tunicate larvae possess the synapomorphies of adult chordates and thus reveal close evolutionary relationships with them. 
C)  tunicates have a lophophore-style mouth. 
D)  tunicate larvae are primitive in all of their features. 
E)  tunicate adults are very similar to the ancestors of cephalochordates and vertebrates.

Question 15

Which of the following groups of modern reptiles includes entirely carnivorous species?

Accepted Answer

A)  Lizards 
B)  Turtles and tortoises 
C)  Snakes 
D)  Caecilians 
E)  All of the above 
A)  Lizards 
B)  Turtles and tortoises 
C)  Snakes 
D)  Caecilians 
E)  All of the above

Question 16

From the figure below, what can you conclude about the relationship between H. ergastor and H. sapiens?

Accepted Answer

A)  They each evolved independently. 
B)  They appear in the fossil record simultaneously. 
C)  They each have H. habilis as a common ancestor. 
D)  H. sapiens evolved from H. ergastor. 
E)  They both evolved from the common ancestor, A. africanus. 
A)  They each evolved independently. 
B)  They appear in the fossil record simultaneously. 
C)  They each have H. habilis as a common ancestor. 
D)  H. sapiens evolved from H. ergastor. 
E)  They both evolved from the common ancestor, A. africanus.

Question 17

Which groups are arthropod relatives with unjointed legs?

Accepted Answer

A)  Trilobites and onychophorans 
B)  Onychophorans and tardigrades 
C)  Trilobites and tardigrades 
D)  Onychophorans and chelicerates 
E)  Tardigrades and chelicerates 
A)  Trilobites and onychophorans 
B)  Onychophorans and tardigrades 
C)  Trilobites and tardigrades 
D)  Onychophorans and chelicerates 
E)  Tardigrades and chelicerates

Question 18

Along a rocky tide pool, you discover an animal with the following characteristics: a hemisphere-shaped body covered with spines that move when you touch the animal. This animal would belong to the _______ group.

Accepted Answer

A)  crinoid 
B)  asterozoan 
C)  echinozoan 
D)  hemichordate 
E)  None of the above 
A)  crinoid 
B)  asterozoan 
C)  echinozoan 
D)  hemichordate 
E)  None of the above

Question 19

Primates likely descended from small, arboreal _______ mammals.

Accepted Answer

A)  insectivorous 
B)  omnivorous 
C)  carnivorous 
D)  frugivorous 
E)  clawed 
A)  insectivorous 
B)  omnivorous 
C)  carnivorous 
D)  frugivorous 
E)  clawed

Question 20

Which of the following did not occur in both the protostomes and deuterostomes?

Accepted Answer

A)  Evolution of structures for filtering food from water 
B)  Evolution of wormlike burrowing forms 
C)  Evolution of adaptations needed for invasion of the land 
D)  Evolution of large terrestrial species 
E)  Evolution of jointed appendages for improved locomotion 
A)  Evolution of structures for filtering food from water 
B)  Evolution of wormlike burrowing forms 
C)  Evolution of adaptations needed for invasion of the land 
D)  Evolution of large terrestrial species 
E)  Evolution of jointed appendages for improved locomotion

Exam 33: Deuterostome Animals

Which of the following statements about marsupial mammals is true?

Hemichordates differ from echinoderms in that

Which of the following is not one of the hypotheses for the global decline in amphibian diversity?

Use the following to answer questions: Refer to the diagram below. -What is the outgroup?

Which of the following statements about coelacanths is false?

Which of the following make up the sister group to the snakes and lizards?

Which of the following is not a unique characteristic of the vertebrate body plan?

Which group of living eutherian mammals has the most species?

Which of the following is not part of the evidence that birds are closely related to dinosaurs?

The calcification of an internal skeleton is characteristic of the

Which of the following groups has a water vascular system?

A major change in the evolutionary lineage leading to the chordates was the

The principal reason we consider tunicates (sea squirts) similar to the ancestor of all chordates is that

Which of the following groups of modern reptiles includes entirely carnivorous species?

From the figure below, what can you conclude about the relationship between H. ergastor and H. sapiens?

Which groups are arthropod relatives with unjointed legs?

Along a rocky tide pool, you discover an animal with the following characteristics: a hemisphere-shaped body covered with spines that move when you touch the animal. This animal would belong to the _______ group.

Primates likely descended from small, arboreal _______ mammals.

Which of the following did not occur in both the protostomes and deuterostomes?

Studying Life

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Nucleic Acids and the Origin of Life

Cells: the Working Units of Life

Cell Membranes

Cell Signaling and Communication

Energy, Enzymes, and Metabolism

Pathways That Harvest Chemical Energy

Photosynthesis: Energy From Sunlight

The Cell Cycle and Cell Division

Inheritance, Genes, and Chromosomes

Dna and Its Role in Heredity

From Dna to Protein: Gene Expression

Gene Mutation and Molecular Medicine

Regulation of Gene Expression

Genomes

Recombinent Dna and Biotechnology

Differential Gene Expression in Development

Development and Evolutionary Change

Evidence and Mechanisms of Evolution

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Species and Their Formation

Evolution of Genes and Genomes

The History of Life on Earth

Bacteria and Archaea: the Prokaryotic Domains

The Origin and Diversification of Eukaryotes

Plants Without Seeds: From Water to Land

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Fungi: Recyclers, Pathogens, Parasites, and Plant Partners

Animal Origins and the Evolution of Body Plans

Protostome Animals

The Plant Body

Transport in Plants

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Plant Responses to Environmental Challenges

Physiology, Homeostasis, and Temperature Regulation

Animal Hormones

Immunology: Animal Defense Systems

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The Mammalian Nervous System: Structure and Higher Function

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Gas Exchange in Animals

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Salt and Water Balance and Nitrogen

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