Question 1

Sea cucumbers will ____ when environmental conditions deteriorate.

Accepted Answer

A)  eject their digestive tract, respiratory structures, and gonads 
B)  crawl to an area with more favorable conditions 
C)  form a resistant spore 
D)  float to the surface and then later drop to a more favorable location 
E)  crawl deep into the ocean mud on the bottom 
A)  eject their digestive tract, respiratory structures, and gonads 
B)  crawl to an area with more favorable conditions 
C)  form a resistant spore 
D)  float to the surface and then later drop to a more favorable location 
E)  crawl deep into the ocean mud on the bottom A

Question 2

The monotremes are an unusual group of mammals because they:

Accepted Answer

A)  lack mammary glands. 
B)  lack hair. 
C)  lay eggs. 
D)  have pouches. 
E)  exhibit parthenogenesis. 
A)  lack mammary glands. 
B)  lack hair. 
C)  lay eggs. 
D)  have pouches. 
E)  exhibit parthenogenesis. C

Question 3

Biologists agree that ancestors of ray-finned fishes gave rise to tetrapods.

Accepted Answer

A) True 
 B)False  False

Question 4

Adult tunicates resemble ____and are ____.

Accepted Answer

A)  eels; carnivorous 
B)  corals; photosynthetic 
C)  starfish; carnivorous 
D)  sponges; filter feeders 
E)  earthworms; detritivores 
A)  eels; carnivorous 
B)  corals; photosynthetic 
C)  starfish; carnivorous 
D)  sponges; filter feeders 
E)  earthworms; detritivores

Question 5

Order ____ includes the snakes.

Accepted Answer

A)  Apoda 
B)  Chelonia 
C)  Aves 
D)  Squamata 
E)  Reptilia 
A)  Apoda 
B)  Chelonia 
C)  Aves 
D)  Squamata 
E)  Reptilia

Question 6

Spiny echidnas are unlike other mammals in that they:

Accepted Answer

A)  have endothermy. 
B)  do not have two pairs of temporal openings in the skull. 
C)  have mammary glands. 
D)  have hair. 
E)  do not have nipples. 
A)  have endothermy. 
B)  do not have two pairs of temporal openings in the skull. 
C)  have mammary glands. 
D)  have hair. 
E)  do not have nipples.

Question 7

All echinoderms are found:

Accepted Answer

A)  in marine habitats. 
B)  in freshwater. 
C)  on land. 
D)  on the bottom of the ocean or lakes. 
E)  in shallow ocean waters. 
A)  in marine habitats. 
B)  in freshwater. 
C)  on land. 
D)  on the bottom of the ocean or lakes. 
E)  in shallow ocean waters.

Question 8

Metamorphosis occurs in which of the following vertebrate classes?

Accepted Answer

A)  Chondrichthyes 
B)  Reptilia 
C)  Myxiniformes 
D)  Amphibia 
E)  Actinistia 
A)  Chondrichthyes 
B)  Reptilia 
C)  Myxiniformes 
D)  Amphibia 
E)  Actinistia

Question 9

Describe the modifications seen in birds for flight. Include modifications in as many body systems as possible.

Accepted Answer

Concepts to Consider: Birds are light, a

Question 10

Identify the five main classes of echinoderms. List their characteristics and two representatives of each class.

Accepted Answer

See Table 32-1 on te

Question 11

Tunicates are ____ in the phylum ____.

Accepted Answer

A)  echinoderms; Echinodermata 
B)  freshwater fish; Chordata 
C)  urochordates; Chordata 
D)  urochordates; Echinodermata 
E)  echinoderms; Chordata 
A)  echinoderms; Echinodermata 
B)  freshwater fish; Chordata 
C)  urochordates; Chordata 
D)  urochordates; Echinodermata 
E)  echinoderms; Chordata

Question 12

Placoid scales are found on:

Accepted Answer

A)  fleshy-finned fishes. 
B)  cartilaginous fishes. 
C)  ray-finned fishes. 
D)  lampreys. 
E)  hagfishes. 
A)  fleshy-finned fishes. 
B)  cartilaginous fishes. 
C)  ray-finned fishes. 
D)  lampreys. 
E)  hagfishes.

Question 13

Hagfishes are differentiated from lampreys and all other fishes in that:

Accepted Answer

A)  hagfishes lack gills. 
B)  hagfishes lack a jaw. 
C)  hagfishes are parasitic. 
D)  hagfishes lack vertebrae. 
E)  hagfishes have notochords. 
A)  hagfishes lack gills. 
B)  hagfishes lack a jaw. 
C)  hagfishes are parasitic. 
D)  hagfishes lack vertebrae. 
E)  hagfishes have notochords.

Question 14

Which structure is used to help regulate buoyancy of fish?

Accepted Answer

A)  kidney 
B)  stomach 
C)  intestine 
D)  swim bladder 
E)  ureter 
A)  kidney 
B)  stomach 
C)  intestine 
D)  swim bladder 
E)  ureter

Question 15

Which term describes an animal that lays eggs?

Accepted Answer

A)  oviparous 
B)  viviparous 
C)  ovoviviparous 
D)  placental 
E)  eutherial 
A)  oviparous 
B)  viviparous 
C)  ovoviviparous 
D)  placental 
E)  eutherial

Question 16

Salamanders are members of the order:

Accepted Answer

A)  Apoda. 
B)  Caudata. 
C)  Anura. 
D)  Tetrapoda. 
E)  Squamata. 
A)  Apoda. 
B)  Caudata. 
C)  Anura. 
D)  Tetrapoda. 
E)  Squamata.

Question 17

There are about ____ identified species of vertebrates.

Accepted Answer

A)  2,000 
B)  5,000 
C)  30,000 
D)  50,000 
E)  125,000 
A)  2,000 
B)  5,000 
C)  30,000 
D)  50,000 
E)  125,000

Question 18

Figure 32-1   The structure in the accompanying figure labeled ____ is characteristic of the phylum to which this organism belongs.

Accepted Answer

A)  brain 
B)  mouth 
C)  heart 
D)  notochord 
E)  anus 
A)  brain 
B)  mouth 
C)  heart 
D)  notochord 
E)  anus

Question 19

The chordate notochord is a dorsal longitudinal rod composed of cartilage.

Accepted Answer

A) True 
 B)False

Question 20

The amphibians are believed to have arisen from ancestral:

Accepted Answer

A)  chondrichthyean fishes. 
B)  actinopterygian fishes. 
C)  reptiles. 
D)  sacropterygian fishes. 
E)  amphibians. 
A)  chondrichthyean fishes. 
B)  actinopterygian fishes. 
C)  reptiles. 
D)  sacropterygian fishes. 
E)  amphibians.

Exam 32: The Deuterostomes

Sea cucumbers will ____ when environmental conditions deteriorate.

The monotremes are an unusual group of mammals because they:

Biologists agree that ancestors of ray-finned fishes gave rise to tetrapods.

Adult tunicates resemble ____and are ____.

Order ____ includes the snakes.

Spiny echidnas are unlike other mammals in that they:

All echinoderms are found:

Metamorphosis occurs in which of the following vertebrate classes?

Describe the modifications seen in birds for flight. Include modifications in as many body systems as possible.

Identify the five main classes of echinoderms. List their characteristics and two representatives of each class.

Tunicates are ____ in the phylum ____.

Placoid scales are found on:

Hagfishes are differentiated from lampreys and all other fishes in that:

Which structure is used to help regulate buoyancy of fish?

Which term describes an animal that lays eggs?

Salamanders are members of the order:

There are about ____ identified species of vertebrates.

Figure 32-1 The structure in the accompanying figure labeled ____ is characteristic of the phylum to which this organism belongs.

The chordate notochord is a dorsal longitudinal rod composed of cartilage.

The amphibians are believed to have arisen from ancestral:

A View of Life

Atoms and Molecules the Chemical Basis of Life

The Chemistry of Life Organic Compounds

Organization of the Cell

Biological Membranes

Cell Communication

Energy and Metabolism

How Cells Make Atp Energy-Releasing Pathways

Photosynthesis Capturing Light Energy

Chromosomes, Mitosis, and Meiosis

The Basic Principles of Heredity

Dna the Carrier of Genetic Information

Gene Expression

Gene Regulation

Dna Technology and Genomics

Human Genetics and the Human Genome

Developmental Genetics

Introduction to Darwinian Evolution

Evolutionary Change in Populations

Speciation and Macroevolution

The Origin and Evolutionary History of Life

The Evolution of Primates

Understanding Diversity Systematics

Viruses and Subviral Agents

Bacteria and Archaea

Protists

Seedless Plants

Seed Plants

The Fungi

An Introduction to Animal Diversity

Sponges, Cnidarians, Ctenophores, and Protostomes

Plant Structure Growth and Development

Leaf Structure and Function

Stem Structure and Transport

Roots and Mineral Nutrition

Reproduction in Flowering Plants

Plant Developmental Responses to External and Internal Signals

Animal Structure and Function an Introduction

Protection Support and Movement

Neural Signaling

Neural Regulation

Sensory Systems

Internal Transport

The Immune System Internal Defense

Gas Exchange

Processing Food and Nutrition

Osmoregulation and Disposal of Metabolic Wastes

Endocrine Regulation

Reproduction

Animal Development

Animal Behavior

Introduction to Ecology Population Ecology

Community Ecology

Ecosystems and the Biosphere

Ecology and the Geography of Life

Biological Diversity and Conservation Biology

Filters

Adult tunicates resemble and are .

Tunicates are in the phylum .