Question 1

Which class includes octopuses, squids, and nautiluses?

Accepted Answer

A)  Polyplacophora 
B)  Cephalopoda 
C)  Bivalvia 
D)  Gastropoda 
A)  Polyplacophora 
B)  Cephalopoda 
C)  Bivalvia 
D)  Gastropoda

Question 2

Which lineage of Cnidarians exist primarily as cube-shaped medusae, are active swimmers, and produce one of the deadliest toxins made by animals?

Accepted Answer

A)  Hydrozoa 
B)  Trematoda 
C)  Cubozoa 
D)  Anthozoa 
A)  Hydrozoa 
B)  Trematoda 
C)  Cubozoa 
D)  Anthozoa

Question 3

Match each phylum with its corresponding organism. Each phylum is used only once.
-velvet worms

Accepted Answer

A) Annelida 
B) Arthropoda 
C) Cnidaria 
D) Ctenophora 
E) Mollusca
F)Nematoda
G)Nemertea
H)Onychophora
I)Platyhelminthes
J)Porifera 
A) Annelida 
B) Arthropoda 
C) Cnidaria 
D) Ctenophora 
E) Mollusca
F)Nematoda
G)Nemertea
H)Onychophora
I)Platyhelminthes
J)Porifera

Question 4

What is the name of the main embryonic cell layer from which the nervous system is derived in most metazoans?

Accepted Answer

A)  endoderm 
B)  mesoglea 
C)  mesoderm 
D)  ectoderm 
A)  endoderm 
B)  mesoglea 
C)  mesoderm 
D)  ectoderm

Question 5

Based on our modern understanding of physiology, DNA sequences, and the fossil record, which of these animals are most closely related to crocodiles?

Accepted Answer

A)  birds 
B)  fleshy-finned fishes 
C)  lizards 
D)  snakes 
A)  birds 
B)  fleshy-finned fishes 
C)  lizards 
D)  snakes

Question 6

Match each group of organisms with its lineage. Each lineage will be used only once.
-tunicates

Accepted Answer

A) Petromyzontidae 
B) Amphibia 
C) Crinoidea 
D) Metatheria 
E) Chondrichthyes
F)Actinopterygii
G)Urochordata
H)Aves
I)Myxinoidea
J)Holothuroidea
K)Cephalochordata
L)Eutheria
M)Ophiuroidea
N)Testudinata
O)Squamata
P)Asteroidea
Q)Prototheria
R)Echinoidea
S)Hemichordata 
A) Petromyzontidae 
B) Amphibia 
C) Crinoidea 
D) Metatheria 
E) Chondrichthyes
F)Actinopterygii
G)Urochordata
H)Aves
I)Myxinoidea
J)Holothuroidea
K)Cephalochordata
L)Eutheria
M)Ophiuroidea
N)Testudinata
O)Squamata
P)Asteroidea
Q)Prototheria
R)Echinoidea
S)Hemichordata

Question 7

Match each group of organisms with its lineage. Each lineage will be used only once.
-lampreys

Accepted Answer

A) Petromyzontidae 
B) Amphibia 
C) Crinoidea 
D) Metatheria 
E) Chondrichthyes
F)Actinopterygii
G)Urochordata
H)Aves
I)Myxinoidea
J)Holothuroidea
K)Cephalochordata
L)Eutheria
M)Ophiuroidea
N)Testudinata
O)Squamata
P)Asteroidea
Q)Prototheria
R)Echinoidea
S)Hemichordata 
A) Petromyzontidae 
B) Amphibia 
C) Crinoidea 
D) Metatheria 
E) Chondrichthyes
F)Actinopterygii
G)Urochordata
H)Aves
I)Myxinoidea
J)Holothuroidea
K)Cephalochordata
L)Eutheria
M)Ophiuroidea
N)Testudinata
O)Squamata
P)Asteroidea
Q)Prototheria
R)Echinoidea
S)Hemichordata

Question 8

Which Ecdysozoa phylum includes many important decomposers, but also many damaging plant and animal parasites?

Accepted Answer

A)  Arthropoda 
B)  Annelida 
C)  Nematoda 
D)  Nemertea 
A)  Arthropoda 
B)  Annelida 
C)  Nematoda 
D)  Nemertea

Question 9

Match each phylum with its corresponding organism. Each phylum is used only once.
-flatworms

Accepted Answer

A) Annelida 
B) Arthropoda 
C) Cnidaria 
D) Ctenophora 
E) Mollusca
F)Nematoda
G)Nemertea
H)Onychophora
I)Platyhelminthes
J)Porifera 
A) Annelida 
B) Arthropoda 
C) Cnidaria 
D) Ctenophora 
E) Mollusca
F)Nematoda
G)Nemertea
H)Onychophora
I)Platyhelminthes
J)Porifera

Question 10

Which lineage shared several derived traits-such as the shapes and positions of bones in their appendages-with early tetrapods, and apparently gave rise to the tetrapods?

Accepted Answer

A)  osteolepiforms 
B)  acanthodians 
C)  ostracoderms 
D)  conodonts 
A)  osteolepiforms 
B)  acanthodians 
C)  ostracoderms 
D)  conodonts

Question 11

Based on modern molecular phylogeny, which of the following is a derived characteristic within Lophotrochozoa?

Accepted Answer

A)  multicellularity 
B)  tissues 
C)  U-shaped fold 
D)  schizocoelom 
A)  multicellularity 
B)  tissues 
C)  U-shaped fold 
D)  schizocoelom

Question 12

Birds are living representatives of which lineage?

Accepted Answer

A)  lepidosaurs 
B)  anapsids 
C)  archosaurs 
D)  synapsids 
A)  lepidosaurs 
B)  anapsids 
C)  archosaurs 
D)  synapsids

Question 13

Which class includes members that have a pair of shells which are hinged together?

Accepted Answer

A)  Bivalvia 
B)  Scaphopoda 
C)  Cephalopoda 
D)  Polyplacophora 
A)  Bivalvia 
B)  Scaphopoda 
C)  Cephalopoda 
D)  Polyplacophora

Question 14

Which of the following describes spicules?

Accepted Answer

A)  They are complicated pore openings and passageways found in sponges. 
B)  They are fibrous skeletal proteins found in sponges. 
C)  They are needlelike skeletal structures made up of silica or calcium carbonate found in sponges. 
D)  They are specialized digestive cells found in sponges. 
A)  They are complicated pore openings and passageways found in sponges. 
B)  They are fibrous skeletal proteins found in sponges. 
C)  They are needlelike skeletal structures made up of silica or calcium carbonate found in sponges. 
D)  They are specialized digestive cells found in sponges.

Question 15

Which of the following lineages of Cnidarians have both polyp and medusa stages in their life cycles-with the polyp stage typically forming a colony-and includes species of Obelia?

Accepted Answer

A)  Anthozoa 
B)  Trematoda 
C)  Hydrozoa 
D)  Cubozoa 
A)  Anthozoa 
B)  Trematoda 
C)  Hydrozoa 
D)  Cubozoa

Question 16

Suppose that you found an animal that has radial symmetry and nematocysts, and may have polyp or medusa forms (or both) as an adult. What is it most likely?

Accepted Answer

A)  a rotifer 
B)  a cnidarian 
C)  a poriferan 
D)  a nematode 
A)  a rotifer 
B)  a cnidarian 
C)  a poriferan 
D)  a nematode

Question 17

Match each group of organisms with its lineage. Each lineage will be used only once.
-sea lilies and feather stars

Accepted Answer

A) Petromyzontidae 
B) Amphibia 
C) Crinoidea 
D) Metatheria 
E) Chondrichthyes
F)Actinopterygii
G)Urochordata
H)Aves
I)Myxinoidea
J)Holothuroidea
K)Cephalochordata
L)Eutheria
M)Ophiuroidea
N)Testudinata
O)Squamata
P)Asteroidea
Q)Prototheria
R)Echinoidea
S)Hemichordata 
A) Petromyzontidae 
B) Amphibia 
C) Crinoidea 
D) Metatheria 
E) Chondrichthyes
F)Actinopterygii
G)Urochordata
H)Aves
I)Myxinoidea
J)Holothuroidea
K)Cephalochordata
L)Eutheria
M)Ophiuroidea
N)Testudinata
O)Squamata
P)Asteroidea
Q)Prototheria
R)Echinoidea
S)Hemichordata

Question 18

Match each phylum with its corresponding organism. Each phylum is used only once.
-comb jellies

Accepted Answer

A) Annelida 
B) Arthropoda 
C) Cnidaria 
D) Ctenophora 
E) Mollusca
F)Nematoda
G)Nemertea
H)Onychophora
I)Platyhelminthes
J)Porifera 
A) Annelida 
B) Arthropoda 
C) Cnidaria 
D) Ctenophora 
E) Mollusca
F)Nematoda
G)Nemertea
H)Onychophora
I)Platyhelminthes
J)Porifera

Question 19

Which of the following represents an extinct lineage of jawed fishes that are also called spiny sharks?

Accepted Answer

A)  placoderms 
B)  ostracoderms 
C)  acanthodians 
D)  conodonts 
A)  placoderms 
B)  ostracoderms 
C)  acanthodians 
D)  conodonts

Question 20

What was the deciding factor that helped researchers determine whether Riftia is an animal or a plant?

Accepted Answer

A)  It lives on a seafloor. 
B)  It has a process analogous to photosynthesis. 
C)  It lacks cell walls and chloroplasts. 
D)  It is involved in symbiotic relationships. 
A)  It lives on a seafloor. 
B)  It has a process analogous to photosynthesis. 
C)  It lacks cell walls and chloroplasts. 
D)  It is involved in symbiotic relationships.

Exam 27: Animals

Which class includes octopuses, squids, and nautiluses?

Which lineage of Cnidarians exist primarily as cube-shaped medusae, are active swimmers, and produce one of the deadliest toxins made by animals?

Match each phylum with its corresponding organism. Each phylum is used only once. -velvet worms

What is the name of the main embryonic cell layer from which the nervous system is derived in most metazoans?

Based on our modern understanding of physiology, DNA sequences, and the fossil record, which of these animals are most closely related to crocodiles?

Match each group of organisms with its lineage. Each lineage will be used only once. -tunicates

Match each group of organisms with its lineage. Each lineage will be used only once. -lampreys

Which Ecdysozoa phylum includes many important decomposers, but also many damaging plant and animal parasites?

Match each phylum with its corresponding organism. Each phylum is used only once. -flatworms

Which lineage shared several derived traits-such as the shapes and positions of bones in their appendages-with early tetrapods, and apparently gave rise to the tetrapods?

Based on modern molecular phylogeny, which of the following is a derived characteristic within Lophotrochozoa?

Birds are living representatives of which lineage?

Which class includes members that have a pair of shells which are hinged together?

Which of the following describes spicules?

Which of the following lineages of Cnidarians have both polyp and medusa stages in their life cycles-with the polyp stage typically forming a colony-and includes species of Obelia?

Suppose that you found an animal that has radial symmetry and nematocysts, and may have polyp or medusa forms (or both) as an adult. What is it most likely?

Match each group of organisms with its lineage. Each lineage will be used only once. -sea lilies and feather stars

Match each phylum with its corresponding organism. Each phylum is used only once. -comb jellies

Which of the following represents an extinct lineage of jawed fishes that are also called spiny sharks?

What was the deciding factor that helped researchers determine whether Riftia is an animal or a plant?

Light and Life

The Cell: an Overview

Energy and Enzymes

Cell Membranes and Signaling

Cellular Respiration

Photosynthesis

Cell Cycles

Genetic Recombination

The Chromosomal Basis of Mendelian Inheritance

Genetic Linkage, Sex-Linkage, and Other Non-Mendelian Inheritance Mechanisms

DNA Structure, Replication, and Repair

Gene Structure Expression, and Mutation

Regulation of Gene Expression

Dna Technologies

Genomes

Evolution: the Development of the Theory

Microevolution: Changes Within Populations

Speciation and Macroevolution

Systematics and Phylogenetics: Revealing the Tree of Life

Humans and Evolution

Defining Life and Its Origins

Viruses, Viroids, and Prions: Infectious Biological Particles

Bacteria and Archaea

Protists

Fungi

Plants

Conservation of Biodiversity

Population Ecology

Species Interactions and Community Ecology

Ecosystems

Animal Behaviour

Organization of the Plant Body

Transport in Plants

Reproduction and Development in Flowering Plants

Plant Nutrition

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Animal Nutrition

Gas Exchange: the Respiratory System

Internal Transport: the Circulatory System

Regulation of the Internal Environment: Water, Solutes, and Temperature

Control of Animal Processes: Endocrine Control

Animal Reproduction

Control of Animal Processes: Neural Control

Muscles, Skeletons, and Body Movements

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