Question 1

Which is not a function of feathers?

Accepted Answer

A)  Color variation for display to attract mates 
B)  Flight 
C)  Gas exchange 
D)  Insulation 
E)  Head crests for display to attract mates 
A)  Color variation for display to attract mates 
B)  Flight 
C)  Gas exchange 
D)  Insulation 
E)  Head crests for display to attract mates

Question 2

The body plans of most vertebrates are based on four appendages.What are the varied forms that these appendages take, and how are they used? In which lineages have two or more of these appendages been lost?

Accepted Answer

The four appendages common to most verte

Question 3

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

Question 4

The fossil record, morphology, and molecular data all support the theory that birds are

Accepted Answer

A)  lepidosaurs. 
B)  amphibians. 
C)  monotremes. 
D)  reptiles. 
E)  therians. 
A)  lepidosaurs. 
B)  amphibians. 
C)  monotremes. 
D)  reptiles. 
E)  therians.

Question 5

Which feature is not found in the chordate lineage?

Accepted Answer

A)  Bilateral symmetry 
B)  Dorsal hollow nerve cord 
C)  External skeleton 
D)  Pharyngeal slits at some stage of development 
E)  Notochord at some stage of development 
A)  Bilateral symmetry 
B)  Dorsal hollow nerve cord 
C)  External skeleton 
D)  Pharyngeal slits at some stage of development 
E)  Notochord at some stage of development

Question 6

What is the advantage of scales in lepidosaurs?

Accepted Answer

A)  They greatly reduce water loss. 
B)  They must be periodically shed as the animal grows. 
C)  They increase the weight of the animal, slowing its movement. 
D)  They make the skin unavailable as an organ for gas exchange. 
E)  They limit the size of the adult animal. 
A)  They greatly reduce water loss. 
B)  They must be periodically shed as the animal grows. 
C)  They increase the weight of the animal, slowing its movement. 
D)  They make the skin unavailable as an organ for gas exchange. 
E)  They limit the size of the adult animal.

Question 7

Along a rocky tide pool, you discover an animal with a hemisphere-shaped body covered with spines that move when you touch them.This animal belongs to the _______ group.

Accepted Answer

A)  crinoid 
B)  asterozoan 
C)  echinozoan 
D)  hemichordate 
E)  acoel 
A)  crinoid 
B)  asterozoan 
C)  echinozoan 
D)  hemichordate 
E)  acoel

Question 8

Genetic analysis suggests that hagfishes and lampreys may be sister groups.Which statement best supports the idea that hagfishes are vertebrates?

Accepted Answer

A)  Hagfishes have cartilaginous skeletons, which may be a derived morphological feature. 
B)  Hagfishes have a partial cranium. 
C)  Hagfishes exhibit pharyngeal slits into adulthood. 
D)  Hagfishes undergo direct development. 
E)  Hagfishes have a tonguelike structure equipped with toothlike rasps. 
A)  Hagfishes have cartilaginous skeletons, which may be a derived morphological feature. 
B)  Hagfishes have a partial cranium. 
C)  Hagfishes exhibit pharyngeal slits into adulthood. 
D)  Hagfishes undergo direct development. 
E)  Hagfishes have a tonguelike structure equipped with toothlike rasps.

Question 9

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

Question 10

Which group of reptiles has the fewest living members?

Accepted Answer

A)  Snakes and lizards 
B)  Tuataras 
C)  Turtles 
D)  Crocodilians 
E)  Birds 
A)  Snakes and lizards 
B)  Tuataras 
C)  Turtles 
D)  Crocodilians 
E)  Birds

Question 11

Which statement about the dry-nosed primates is true?

Accepted Answer

A)  They do not have a prehensile tail. 
B)  They are all nocturnal. 
C)  They include lemurs and lorises. 
D)  They are mostly arboreal. 
E)  They are found only in South and Central America. 
A)  They do not have a prehensile tail. 
B)  They are all nocturnal. 
C)  They include lemurs and lorises. 
D)  They are mostly arboreal. 
E)  They are found only in South and Central America.

Question 12

The _______ are likely closely related to the most recent common ancestors of all deuterostomes.

Accepted Answer

A)  yunnanozoans 
B)  echinoderms 
C)  vertebrates 
D)  arthropods 
E)  sponges 
A)  yunnanozoans 
B)  echinoderms 
C)  vertebrates 
D)  arthropods 
E)  sponges

Question 13

Which of the following is found in all major groups of vertebrates?

Accepted Answer

A)  Internal bony skeleton 
B)  Paired appendages 
C)  Jaws 
D)  Anterior skull 
E)  Teeth 
A)  Internal bony skeleton 
B)  Paired appendages 
C)  Jaws 
D)  Anterior skull 
E)  Teeth

Question 14

Refer to the figure.   The figure shows the cross section (at right) of a sea star are.Within the arm are tube feet with two parts: an ampulla and a suction cup.The ampulla is connected to a tube.When muscles in the ampulla contract, they push water into the tube, resulting in

Accepted Answer

A)  concentration of solutes in the body cavity. 
B)  a suction cup detaching. 
C)  a suction cup attaching. 
D)  water pressure lifting an arm. 
E)  expansion of the madreporite. 
A)  concentration of solutes in the body cavity. 
B)  a suction cup detaching. 
C)  a suction cup attaching. 
D)  water pressure lifting an arm. 
E)  expansion of the madreporite.

Question 15

A sea star feeding on a living bivalve pulls the shell open with its _______ and push its _______ into the space between the shells.

Accepted Answer

A)  pharynx; stomach 
B)  tube feet; proboscis 
C)  radial canal; stomach 
D)  cilia; stomach 
E)  tube feet; stomach 
A)  pharynx; stomach 
B)  tube feet; proboscis 
C)  radial canal; stomach 
D)  cilia; stomach 
E)  tube feet; stomach

Question 16

Which adaptation allowed lepidosaurs to shift completely from water to land?

Accepted Answer

A)  A gelatinous envelope surrounding the embryo 
B)  Parental care 
C)  Horny scales 
D)  The ability to run and breathe simultaneously 
E)  Pharyngeal arches 
A)  A gelatinous envelope surrounding the embryo 
B)  Parental care 
C)  Horny scales 
D)  The ability to run and breathe simultaneously 
E)  Pharyngeal arches

Question 17

Construct a phylogeny that shows the position of the birds within the reptiles.Include the following groups in your phylogeny: birds, crocodilians, turtles, mammals, and lepidosaurs.Label the following characteristics (A-G) on your phylogeny:
A.Bipedal stance
B.Feathers
C.Hollow bones
D.Scales
E.Amniote egg
F.Archosaurs
G.Theropods

Accepted Answer

The answer of Construct a phylogeny that shows the position...

Question 18

A marine fish that lays many small, sinking eggs would most likely lay them _______ because these locations are _______.

Accepted Answer

A)  in freshwater streams; necessary to complete their life cycle 
B)  in the deep ocean; well protected from predators 
C)  in estuaries; food-rich, shallow habitats 
D)  on land; away from aquatic predators 
E)  in freshwater streams; protected from predators 
A)  in freshwater streams; necessary to complete their life cycle 
B)  in the deep ocean; well protected from predators 
C)  in estuaries; food-rich, shallow habitats 
D)  on land; away from aquatic predators 
E)  in freshwater streams; protected from predators

Question 19

In a pond, frog eggs are attached to vegetation and are physically supported by the water.Which structure in an amniote egg contains material that provides similar physical support?

Accepted Answer

A)  The amnion 
B)  The chorion 
C)  The shell 
D)  The yolk 
E)  The allantois 
A)  The amnion 
B)  The chorion 
C)  The shell 
D)  The yolk 
E)  The allantois

Question 20

Most adult amphibians accomplish gas exchange using

Accepted Answer

A)  gills and swim bladders. 
B)  gills and thin skin. 
C)  lungs only. 
D)  lungs and thin skin. 
E)  thin skin only. 
A)  gills and swim bladders. 
B)  gills and thin skin. 
C)  lungs only. 
D)  lungs and thin skin. 
E)  thin skin only.

Exam 32: Deuterostome Animals

Which is not a function of feathers?

The body plans of most vertebrates are based on four appendages.What are the varied forms that these appendages take, and how are they used? In which lineages have two or more of these appendages been lost?

Which group of living eutherian mammals has the most species?

The fossil record, morphology, and molecular data all support the theory that birds are

Which feature is not found in the chordate lineage?

What is the advantage of scales in lepidosaurs?

Along a rocky tide pool, you discover an animal with a hemisphere-shaped body covered with spines that move when you touch them.This animal belongs to the _______ group.

Genetic analysis suggests that hagfishes and lampreys may be sister groups.Which statement best supports the idea that hagfishes are vertebrates?

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

Which group of reptiles has the fewest living members?

Which statement about the dry-nosed primates is true?

The _______ are likely closely related to the most recent common ancestors of all deuterostomes.

Which of the following is found in all major groups of vertebrates?

Refer to the figure. The figure shows the cross section (at right) of a sea star are.Within the arm are tube feet with two parts: an ampulla and a suction cup.The ampulla is connected to a tube.When muscles in the ampulla contract, they push water into the tube, resulting in

A sea star feeding on a living bivalve pulls the shell open with its _______ and push its _______ into the space between the shells.

Which adaptation allowed lepidosaurs to shift completely from water to land?

A marine fish that lays many small, sinking eggs would most likely lay them _______ because these locations are _______.

In a pond, frog eggs are attached to vegetation and are physically supported by the water.Which structure in an amniote egg contains material that provides similar physical support?

Most adult amphibians accomplish gas exchange using

Studying Life

Small Molecules and the Chemistry of Life

Proteins, Carbohydrates, and Lipids

Nucleic Acids and the Origin of Life

Cells: the Working Units of Life

Cell Membranes

Cell Communication and Multicellularity

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

Recombinant Dna and Biotechnology

Mechanisms of Evolution

Reconstructing and Using Phylogenies

Speciation

Evolution of Genes and Genomes

The History of Life on Earth

Bacteria, Archaea, and Viruses

The Origin and Diversification of Eukaryotes

Plants Without Seeds: From Water to Land

The Evolution of Seed Plants

The Evolution and Diversity of Fungi

Animal Origins and the Evolution of Body Plans

Protostome Animals

The Plant Body

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Reproduction in Flowering Plants

Plant Responses to Environmental Challenges

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Immunology: Animal Defense Systems

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Neurons, Glia, and Nervous Systems

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The Mammalian Nervous System: Structure and Higher Functions

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Salt and Water Balance and Nitrogen Excretion

Animal Behavior

The Physical Environment and Biogeography of Life

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A sea star feeding on a living bivalve pulls the shell open with its _ and push its _ into the space between the shells.

A marine fish that lays many small, sinking eggs would most likely lay them _ because these locations are _.