Question 1

In the various cnidarian species

Accepted Answer

A)  all live as medusae. 
B)  all live as polyps. 
C)  all have medusae as the juvenile stage and polyps as the adult stage. 
D)  some live as polyps, some as medusae, and some as both in different stages. 
E)  all have polyps as the juvenile stage and medusae as the adult stage. 
A)  all live as medusae. 
B)  all live as polyps. 
C)  all have medusae as the juvenile stage and polyps as the adult stage. 
D)  some live as polyps, some as medusae, and some as both in different stages. 
E)  all have polyps as the juvenile stage and medusae as the adult stage.

Question 2

Animal cells lack a cell wall.

Accepted Answer

A) True 
 B)False

Question 3

Animals that have distinct right and left sides display_________ symmetry.

Accepted Answer

The answer of Animals that have distinct right and left...

Question 4

Which cnidarian is the basis of many impressively diverse marine habitats?

Accepted Answer

A)  Jellyfish 
B)  Coral 
C)  Anemone 
D)  Hydra 
E)  Sea cucumber 
A)  Jellyfish 
B)  Coral 
C)  Anemone 
D)  Hydra 
E)  Sea cucumber

Question 5

The major difference between protostomes and deuterostomes is the

Accepted Answer

A)  presence or absence of cephalization. 
B)  presence or absence of tissues. 
C)  presence or absence of a coelom. 
D)  type of body symmetry. 
E)  way the body cavity forms. 
A)  presence or absence of cephalization. 
B)  presence or absence of tissues. 
C)  presence or absence of a coelom. 
D)  type of body symmetry. 
E)  way the body cavity forms.

Question 6

Which of the following animals are arachnids?

Accepted Answer

A)  Grasshoppers 
B)  Wasps 
C)  Spiders 
D)  Beetles 
E)  Flukes 
A)  Grasshoppers 
B)  Wasps 
C)  Spiders 
D)  Beetles 
E)  Flukes

Question 7

Chordates and echinoderms are both protostomes.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following characteristics is associated with all animals that are bilaterally symmetrical at some point in their life cycle?

Accepted Answer

A)  Gastrovascular cavity 
B)  Cephalization 
C)  Coelom 
D)  Lack of organs 
E)  Mesoderm 
A)  Gastrovascular cavity 
B)  Cephalization 
C)  Coelom 
D)  Lack of organs 
E)  Mesoderm

Question 9

Insects are members of the group

Accepted Answer

A)  Echinodermata. 
B)  Mollusca. 
C)  Arthropoda. 
D)  Arachnida. 
E)  Annelida. 
A)  Echinodermata. 
B)  Mollusca. 
C)  Arthropoda. 
D)  Arachnida. 
E)  Annelida.

Question 10

Which of these groups is characterized by having no body cavity?

Accepted Answer

A)  Cnidarians 
B)  Arthropods 
C)  Roundworms 
D)  Chordates 
E)  Annelids 
A)  Cnidarians 
B)  Arthropods 
C)  Roundworms 
D)  Chordates 
E)  Annelids

Question 11

The phylum Nematoda includes which of the following very common organisms, some of which are parasitic and most of which are often found in soil?

Accepted Answer

A)  Earthworms 
B)  Tapeworms 
C)  Flatworms 
D)  Roundworms 
E)  Segmented worms 
A)  Earthworms 
B)  Tapeworms 
C)  Flatworms 
D)  Roundworms 
E)  Segmented worms

Question 12

Organisms that are radially symmetrical have_________ embryonic germ layers.

Accepted Answer

A)  two 
B)  three 
C)  four 
D)  five 
E)  six 
A)  two 
B)  three 
C)  four 
D)  five 
E)  six

Question 13

Sponges are radially symmetrical.

Accepted Answer

A) True 
 B)False

Question 14

Your job is to classify a newly discovered animal species. Your initial studies reveal that your specimen has tissues, organs, a head, and a pseudocoelom; has no segmentation; and has bilateral symmetry. To what phylum does this animal belong?

Accepted Answer

A)  Cnidaria 
B)  Nematoda 
C)  Platyhelminthes 
D)  Mollusca 
E)  Annelida 
A)  Cnidaria 
B)  Nematoda 
C)  Platyhelminthes 
D)  Mollusca 
E)  Annelida

Question 15

Worms with a well-developed circulatory system (including five pairs of hearts) are

Accepted Answer

A)  eels. 
B)  annelids. 
C)  nematodes. 
D)  platyhelminths. 
E)  echinoderms. 
A)  eels. 
B)  annelids. 
C)  nematodes. 
D)  platyhelminths. 
E)  echinoderms.

Question 16

Which of these groups is characterized by having a TRUE coelom?

Accepted Answer

A)  Arthropods 
B)  Cnidarians 
C)  Roundworms 
D)  Flatworms 
E)  Sponges 
A)  Arthropods 
B)  Cnidarians 
C)  Roundworms 
D)  Flatworms 
E)  Sponges

Question 17

Within the mollusks, only the cephalopods have a

Accepted Answer

A)  radula. 
B)  hinged shell. 
C)  coelom. 
D)  tubular gut. 
E)  closed circulatory system. 
A)  radula. 
B)  hinged shell. 
C)  coelom. 
D)  tubular gut. 
E)  closed circulatory system.

Question 18

Which invertebrate animal group is characterized by having a closed circulatory system?

Accepted Answer

A)  Annelida 
B)  Platyhelminthes 
C)  Echinodermata 
D)  Arthropoda 
E)  Nematoda 
A)  Annelida 
B)  Platyhelminthes 
C)  Echinodermata 
D)  Arthropoda 
E)  Nematoda

Question 19

The skin and nervous tissues develop from which germ layer?

Accepted Answer

A)  Ectoderm 
B)  Mesoglea 
C)  Endoderm 
D)  Mesoderm 
E)  Protoplasm 
A)  Ectoderm 
B)  Mesoglea 
C)  Endoderm 
D)  Mesoderm 
E)  Protoplasm

Question 20

Damage to the embryonic ectoderm would show up as damage to which adult body tissues?

Accepted Answer

A)  Body cavity linings 
B)  Muscles 
C)  Circulatory tissue 
D)  Nervous tissue 
E)  Skeletal tissue 
A)  Body cavity linings 
B)  Muscles 
C)  Circulatory tissue 
D)  Nervous tissue 
E)  Skeletal tissue

Exam 24: Animal Diversity I: Invertebrates

In the various cnidarian species

Animal cells lack a cell wall.

Animals that have distinct right and left sides display_________ symmetry.

Which cnidarian is the basis of many impressively diverse marine habitats?

The major difference between protostomes and deuterostomes is the

Which of the following animals are arachnids?

Chordates and echinoderms are both protostomes.

Which of the following characteristics is associated with all animals that are bilaterally symmetrical at some point in their life cycle?

Insects are members of the group

Which of these groups is characterized by having no body cavity?

The phylum Nematoda includes which of the following very common organisms, some of which are parasitic and most of which are often found in soil?

Organisms that are radially symmetrical have_________ embryonic germ layers.

Sponges are radially symmetrical.

Your job is to classify a newly discovered animal species. Your initial studies reveal that your specimen has tissues, organs, a head, and a pseudocoelom; has no segmentation; and has bilateral symmetry. To what phylum does this animal belong?

Worms with a well-developed circulatory system (including five pairs of hearts) are

Which of these groups is characterized by having a TRUE coelom?

Within the mollusks, only the cephalopods have a

Which invertebrate animal group is characterized by having a closed circulatory system?

The skin and nervous tissues develop from which germ layer?

Damage to the embryonic ectoderm would show up as damage to which adult body tissues?

An Introduction to Life on Earth

Atoms, Molecules, and Life

Biological Molecules

Cell Structure and Function

Cell Membrane Structure and Function

Energy Flow in the Life of a Cell

Capturing Solar Energy: Photosynthesis

Harvesting Energy: Glycolysis and Cellular Respiration

Cellular Reproduction

Meiosis: the Basis of Sexual Reproduction

Patterns of Inheritance

DNA: The Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

The History of Life

Systematics: Seeking Order Amid Diversity

The Diversity of Prokaryotes and Viruses

The Diversity of Protists

The Diversity of Plants

The Diversity of Fungi

Animal Diversity Ii: Vertebrates

Animal Behavior

Population Growth and Regulation

Community Interactions

Energy Flow and Nutrient Cycling in Ecosystems

Earths Diverse Ecosystems

Conserving Earths Biodiversity

Homeostasis and the Organization of the Animal Body

Circulation

Respiration

Nutrition and Digestion

The Urinary System

Defenses Against Disease

Chemical Control of the Animal Body: the Endocrine System

The Nervous System

The Senses

Action and Support: the Muscles and Skeleton

Animal Reproduction

Animal Development

Plant Anatomy and Nutrient Transport

Plant Reproduction and Development

Plant Responses to the Environment

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