Question 1

Torsion may be an adaptation in __________ that allows the __________ to be withdrawn first into the shell.

Accepted Answer

A) bivalves; foot 
B) bivalves; head 
C) gastropods; foot 
D) gastropods; head 
E) cephalopods; head 
A) bivalves; foot 
B) bivalves; head 
C) gastropods; foot 
D) gastropods; head 
E) cephalopods; head

Question 2

Clams and oysters belong to class Gastropoda.
____________________

Accepted Answer

A) True 
 B)False

Question 3

The type of excretory structures characteristic of class Turbellaria are:

Accepted Answer

A) protonemas. 
B) protonephridiA. 
C) nephridiA. 
D) Malpighian tubules. 
E) antennal organs. 
A) protonemas. 
B) protonephridiA. 
C) nephridiA. 
D) Malpighian tubules. 
E) antennal organs.

Question 4

MATCHING
Match the organism or its characteristic with the correct phylum.
a.Annelida
f.Nematoda
b.Arthropoda
g.Nemertea
c.Cnidaria
H.Platyhelminthes
d.Ctenophora
I.Porifera
e.Mollusca
J.Rotifera
-roundworms

Accepted Answer

The answer of MATCHING
Match the organism or its characteristic with...

Question 5

Cnidarians are __________, meaning they have two tissue layers.

Accepted Answer

A) diploid 
B) protostomes 
C) diploblastic 
D) bilateral 
E) hermaphroditic 
A) diploid 
B) protostomes 
C) diploblastic 
D) bilateral 
E) hermaphroditic

Question 6

Figure 31-4
Use the figure to answer the corresponding question(s).  
-Which of the following is an adaptation that enables cephalopods to escape from their predators?

Accepted Answer

A) torsion 
B) poisonous salivary secretions 
C) a hard shell 
D) rapidly changing colors 
E) a modified radula 
A) torsion 
B) poisonous salivary secretions 
C) a hard shell 
D) rapidly changing colors 
E) a modified radula

Question 7

Hermaphroditic earthworms reproduce sexually by connecting their bodies by their __________.This allows transfer of __________ from one worm to the other.

Accepted Answer

A) setae; zygotes 
B) setae; eggs 
C) setae; sperm 
D) clitellum; eggs 
E) clitellum; sperm 
A) setae; zygotes 
B) setae; eggs 
C) setae; sperm 
D) clitellum; eggs 
E) clitellum; sperm

Question 8

The body wall of cnidarians and ctenophores consist of:

Accepted Answer

A) three tissue layers. 
B) a single epidermal layer. 
C) loosely organized cells. 
D) two epidermal layers with scattered mesophyll cells in between. 
E) inner and outer cell layers separated by a jelly-like mesoglea. 
A) three tissue layers. 
B) a single epidermal layer. 
C) loosely organized cells. 
D) two epidermal layers with scattered mesophyll cells in between. 
E) inner and outer cell layers separated by a jelly-like mesoglea.

Question 9

Within the phylum Cnidaria, corals are most closely related to:

Accepted Answer

A) HydrA. 
B) jellyfish. 
C) sea anemones. 
D) Portuguese man-of-war. 
E) hydrozoans. 
A) HydrA. 
B) jellyfish. 
C) sea anemones. 
D) Portuguese man-of-war. 
E) hydrozoans.

Question 10

One of the disadvantages of exoskeletons in arthropods is that:

Accepted Answer

A) they severely limit locomotion. 
B) they interfere with ingestion. 
C) they must be shed when the animal grows. 
D) they do not provide adequate protection from predators. 
E) they do not prevent desiccation. 
A) they severely limit locomotion. 
B) they interfere with ingestion. 
C) they must be shed when the animal grows. 
D) they do not provide adequate protection from predators. 
E) they do not prevent desiccation.

Question 11

MATCHING
Match the organism or its characteristic with the correct phylum.
a.Annelida
f.Nematoda
b.Arthropoda
g.Nemertea
c.Cnidaria
H.Platyhelminthes
d.Ctenophora
I.Porifera
e.Mollusca
J.Rotifera
-have a planula larva

Accepted Answer

The answer of MATCHING
Match the organism or its characteristic with...

Question 12

If it were possible, which of the following methods would be the most effective at eliminating parasitic flukes?

Accepted Answer

A) eliminate clams from the ocean shoreline 
B) eliminate freshwater snails 
C) avoid eating undercooked pork 
D) avoid eating undercooked beef 
E) avoid coming in contact with infected individuals 
A) eliminate clams from the ocean shoreline 
B) eliminate freshwater snails 
C) avoid eating undercooked pork 
D) avoid eating undercooked beef 
E) avoid coming in contact with infected individuals

Question 13

Roundworms have a true coelom.
____________________

Accepted Answer

A) True 
 B)False

Question 14

Biramous appendages in arthropods are only present in:

Accepted Answer

A) crustaceans. 
B) horseshoe crabs. 
C) insects. 
D) arachnids. 
E) centipedes. 
A) crustaceans. 
B) horseshoe crabs. 
C) insects. 
D) arachnids. 
E) centipedes.

Question 15

MATCHING
Match the organism or its characteristic with the correct phylum.
a.Annelida
f.Nematoda
b.Arthropoda
g.Nemertea
c.Cnidaria
H.Platyhelminthes
d.Ctenophora
I.Porifera
e.Mollusca
J.Rotifera
-leeches

Accepted Answer

The answer of MATCHING
Match the organism or its characteristic with...

Question 16

The Portuguese man-of-war belongs to the class:

Accepted Answer

A) CnidozoA. 
B) ScyphozoA. 
C) HydrozoA. 
D) AnthozoA. 
E) Cubezoa. 
A) CnidozoA. 
B) ScyphozoA. 
C) HydrozoA. 
D) AnthozoA. 
E) Cubezoa.

Question 17

Figure 31-7
Use the figure to answer the corresponding question(s).  
-For the subphyla of arthropods discussed in this chapter, make a table listing the name, identifying characteristics, and two member organisms for each subphylum.BONUS: Identify and correctly place the arthropod classes in each subphylum and identify a representative of each class.

Accepted Answer

Your table should re

Question 18

Traditionally, the _______ were assigned to the basal group called ParazoA.

Accepted Answer

A) jellyfish 
B) sponges 
C) flatworms 
D) roundworms 
E) ribbon worms 
A) jellyfish 
B) sponges 
C) flatworms 
D) roundworms 
E) ribbon worms

Question 19

Animals with a crown of cilia that look like a spinning wheel are the:

Accepted Answer

A) bryozoans. 
B) phoronids. 
C) ctenophores. 
D) rotifers. 
E) platyhelminthes. 
A) bryozoans. 
B) phoronids. 
C) ctenophores. 
D) rotifers. 
E) platyhelminthes.

Question 20

Which of the following characteristics is not associated with nemerteans?

Accepted Answer

A) presence of a true coelomic space, the rhynchocoel 
B) blood vessels 
C) a heart 
D) a proboscis 
E) a tube-within-a-tube body plan. 
A) presence of a true coelomic space, the rhynchocoel 
B) blood vessels 
C) a heart 
D) a proboscis 
E) a tube-within-a-tube body plan.

Exam 31: Sponges, Cnidarians, Ctenophores, and Protostomes

Torsion may be an adaptation in __________ that allows the __________ to be withdrawn first into the shell.

Clams and oysters belong to class Gastropoda. ____________________

The type of excretory structures characteristic of class Turbellaria are:

MATCHING Match the organism or its characteristic with the correct phylum. a.Annelida f.Nematoda b.Arthropoda g.Nemertea c.Cnidaria H.Platyhelminthes d.Ctenophora I.Porifera e.Mollusca J.Rotifera -roundworms

Cnidarians are __________, meaning they have two tissue layers.

Figure 31-4 Use the figure to answer the corresponding question(s). -Which of the following is an adaptation that enables cephalopods to escape from their predators?

Hermaphroditic earthworms reproduce sexually by connecting their bodies by their __________.This allows transfer of __________ from one worm to the other.

The body wall of cnidarians and ctenophores consist of:

Within the phylum Cnidaria, corals are most closely related to:

One of the disadvantages of exoskeletons in arthropods is that:

MATCHING Match the organism or its characteristic with the correct phylum. a.Annelida f.Nematoda b.Arthropoda g.Nemertea c.Cnidaria H.Platyhelminthes d.Ctenophora I.Porifera e.Mollusca J.Rotifera -have a planula larva

If it were possible, which of the following methods would be the most effective at eliminating parasitic flukes?

Roundworms have a true coelom. ____________________

Biramous appendages in arthropods are only present in:

MATCHING Match the organism or its characteristic with the correct phylum. a.Annelida f.Nematoda b.Arthropoda g.Nemertea c.Cnidaria H.Platyhelminthes d.Ctenophora I.Porifera e.Mollusca J.Rotifera -leeches

The Portuguese man-of-war belongs to the class:

Traditionally, the _______ were assigned to the basal group called ParazoA.

Animals with a crown of cilia that look like a spinning wheel are the:

Which of the following characteristics is not associated with nemerteans?

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

The Deuterostomes

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

Torsion may be an adaptation in that allows the to be withdrawn first into the shell.

Hermaphroditic earthworms reproduce sexually by connecting their bodies by their .This allows transfer of from one worm to the other.