Question 1

The sexual reproduction of earthworms characteristically is

Accepted Answer

A) hermaphroditic but cross-fertilizing. 
B) hermaphroditic but self-fertilizing. 
C) normal type between individuals who remain as males and females throughout their life time. 
D) normal appearing,but individuals change sex periodically. 
E) normal appearing,but individuals reproduce only once in their lives. 
A) hermaphroditic but cross-fertilizing. 
B) hermaphroditic but self-fertilizing. 
C) normal type between individuals who remain as males and females throughout their life time. 
D) normal appearing,but individuals change sex periodically. 
E) normal appearing,but individuals reproduce only once in their lives.

Question 2

In arthropods,locomotion is accomplished by muscles that work against

Accepted Answer

A) each other. 
B) the exoskeleton. 
C) a hydrostatic skeleton. 
D) mineralized bones. 
E) the pseudocoel. 
A) each other. 
B) the exoskeleton. 
C) a hydrostatic skeleton. 
D) mineralized bones. 
E) the pseudocoel.

Question 3

In many echinoderms respiration and waste removal take place by means of finger-like projections that occur near the spines,which are called

Accepted Answer

A) madreporite. 
B) ampulla. 
C) nerve ring. 
D) papulae. 
E) endoskeleton. 
A) madreporite. 
B) ampulla. 
C) nerve ring. 
D) papulae. 
E) endoskeleton.

Question 4

Which class of arthropods contains members with two pairs of antennae and legs on their abdomen and thorax?

Accepted Answer

A) Insecta 
B) Arachnida 
C) Crustacea 
D) Chilopoda 
E) Merostomata 
A) Insecta 
B) Arachnida 
C) Crustacea 
D) Chilopoda 
E) Merostomata

Question 5

Earthworms show all of the following features except

Accepted Answer

A) containing segments with a mouth on the first and the anus on the last. 
B) containing touch-sensitive and light-sensitive organs in the segments. 
C) containing fewer setae than in polychaetes. 
D) containing distinct head regions and parapodia. 
E) being hermaphroditic. 
A) containing segments with a mouth on the first and the anus on the last. 
B) containing touch-sensitive and light-sensitive organs in the segments. 
C) containing fewer setae than in polychaetes. 
D) containing distinct head regions and parapodia. 
E) being hermaphroditic.

Question 6

In mollusks,the folds of tissue that arise from the dorsal body wall and enclose a cavity surrounding the visceral mass are called the

Accepted Answer

A) foot. 
B) mantle. 
C) nephridia. 
D) radula. 
E) lophophorE. 
A) foot. 
B) mantle. 
C) nephridia. 
D) radula. 
E) lophophorE.

Question 7

All of the following are either structures or characteristics of members of the Class Bivalvia of the Phylum Mollusca except

Accepted Answer

A) the mantle. 
B) a radula. 
C) a shell. 
D) gills. 
E) open circulation. 
A) the mantle. 
B) a radula. 
C) a shell. 
D) gills. 
E) open circulation.

Question 8

Which one of the following associations between structures and arthropod groups possessing them is incorrect?

Accepted Answer

A) Malpighian tubules-adult insects 
B) Book lungs-larval insects 
C) Uropods-decapod crustaceans 
D) Spinnerets-spiders 
E) Chelicerae-horseshoe crabs 
A) Malpighian tubules-adult insects 
B) Book lungs-larval insects 
C) Uropods-decapod crustaceans 
D) Spinnerets-spiders 
E) Chelicerae-horseshoe crabs

Question 9

A sieve-like plate on the echinoderms surface through which water enters the vascular system and flows to the ring canal through a tube is called

Accepted Answer

A) madreporite. 
B) ampulla. 
C) nerve ring. 
D) skin gills. 
E) endoskeleton. 
A) madreporite. 
B) ampulla. 
C) nerve ring. 
D) skin gills. 
E) endoskeleton.

Question 10

A marine biologist visits your biology class and begins his talk entitled,"Life as a Trochophore." A friend seated next to you asks,"What is a trochophore?" You explain that a trochophore is

Accepted Answer

A) another name for the veliger stage in earthworm reproduction. 
B) a term used to describe a larval form of either the phylum Mollusca or Annelida. 
C) another name for the veliger stage in the oyster. 
D) similar to a lophophore,but only found in the phylum Annelida. 
E) a parasite in the intestines of a bivalve mollusk. 
A) another name for the veliger stage in earthworm reproduction. 
B) a term used to describe a larval form of either the phylum Mollusca or Annelida. 
C) another name for the veliger stage in the oyster. 
D) similar to a lophophore,but only found in the phylum Annelida. 
E) a parasite in the intestines of a bivalve mollusk.

Question 11

Choose the letter of the best match from the following:
-Use their tube feet for feeding and move about using two arms at a time.

Accepted Answer

A) sea cucumbers 
B) brittle stars 
C) sea stars 
D) sea urchins 
A) sea cucumbers 
B) brittle stars 
C) sea stars 
D) sea urchins

Question 12

If you arranged the following parts of the echinoderm water vascular system from outside to its termination in a tube foot,which structure would be encountered third?

Accepted Answer

A) stone canal 
B) radial canal 
C) ampulla 
D) madreporite 
E) ring canal 
A) stone canal 
B) radial canal 
C) ampulla 
D) madreporite 
E) ring canal

Question 13

Each segment of an annelid typically contains bristles of chitin called

Accepted Answer

A) ciliA. 
B) parapodia. 
C) chaetae. 
D) leglets. 
E) setaE. 
A) ciliA. 
B) parapodia. 
C) chaetae. 
D) leglets. 
E) setaE.

Question 14

Which one of the following choices does not describe an advantage of the chitinous exoskeleton found in arthropods?

Accepted Answer

A) offers some protection 
B) reduces water loss 
C) allows for muscle attachment sites inside the skeleton 
D) does not impose limitations on body size 
E) provides a strong,flexible framework 
A) offers some protection 
B) reduces water loss 
C) allows for muscle attachment sites inside the skeleton 
D) does not impose limitations on body size 
E) provides a strong,flexible framework

Question 15

Mollusks have all of the following except

Accepted Answer

A) visceral mass covered with a soft epithelium. 
B) folds enclosing a cavity between themselves and the visceral mass. 
C) gills or lungs within the mantle. 
D) individuals secrete a tiny chitinous chamber,zoecium. 
E) the shell consists of a horny outer layer,which is rich in protein. 
A) visceral mass covered with a soft epithelium. 
B) folds enclosing a cavity between themselves and the visceral mass. 
C) gills or lungs within the mantle. 
D) individuals secrete a tiny chitinous chamber,zoecium. 
E) the shell consists of a horny outer layer,which is rich in protein.

Question 16

Spiders and certain other arthropods which lack jaws or mandibles are placed in a subphylum called

Accepted Answer

A) Agnathae. 
B) Amandibulata. 
C) blood suckers. 
D) chelicerates. 
E) mandibulates. 
A) Agnathae. 
B) Amandibulata. 
C) blood suckers. 
D) chelicerates. 
E) mandibulates.

Question 17

Eyes with single lenses that respond to light and darkness are found in many arthropods;these are the

Accepted Answer

A) compound eyes. 
B) ocelli. 
C) apposition eyes. 
D) ommatidia. 
E) superposition segments. 
A) compound eyes. 
B) ocelli. 
C) apposition eyes. 
D) ommatidia. 
E) superposition segments.

Question 18

The medicinal leech,once used to withdraw "unhealthy" blood from patients,produces which of the following to ensure blood flow from the host?

Accepted Answer

A) antibiotics 
B) antibodies 
C) anticoagulant 
D) blood clots 
E) suture material 
A) antibiotics 
B) antibodies 
C) anticoagulant 
D) blood clots 
E) suture material

Question 19

Which of the following is not true about crustaceans?

Accepted Answer

A) They produce larvae known as nauplius. 
B) They have legs on their abdomen and thorax. 
C) They have two pairs of antennae. 
D) Many have compound eyes. 
E) They have covers called the opercula,posterior to the legs. 
A) They produce larvae known as nauplius. 
B) They have legs on their abdomen and thorax. 
C) They have two pairs of antennae. 
D) Many have compound eyes. 
E) They have covers called the opercula,posterior to the legs.

Question 20

The partitions that separate the segments of the annelid body are known as

Accepted Answer

A) pseudocoels. 
B) nephridia. 
C) setae. 
D) septa. 
E) radula. 
A) pseudocoels. 
B) nephridia. 
C) setae. 
D) septa. 
E) radula.

Exam 34: Coelomate Invertebrates

The sexual reproduction of earthworms characteristically is

In arthropods,locomotion is accomplished by muscles that work against

In many echinoderms respiration and waste removal take place by means of finger-like projections that occur near the spines,which are called

Which class of arthropods contains members with two pairs of antennae and legs on their abdomen and thorax?

Earthworms show all of the following features except

In mollusks,the folds of tissue that arise from the dorsal body wall and enclose a cavity surrounding the visceral mass are called the

All of the following are either structures or characteristics of members of the Class Bivalvia of the Phylum Mollusca except

Which one of the following associations between structures and arthropod groups possessing them is incorrect?

A sieve-like plate on the echinoderms surface through which water enters the vascular system and flows to the ring canal through a tube is called

A marine biologist visits your biology class and begins his talk entitled,"Life as a Trochophore." A friend seated next to you asks,"What is a trochophore?" You explain that a trochophore is

Choose the letter of the best match from the following: -Use their tube feet for feeding and move about using two arms at a time.

If you arranged the following parts of the echinoderm water vascular system from outside to its termination in a tube foot,which structure would be encountered third?

Each segment of an annelid typically contains bristles of chitin called

Which one of the following choices does not describe an advantage of the chitinous exoskeleton found in arthropods?

Mollusks have all of the following except

Spiders and certain other arthropods which lack jaws or mandibles are placed in a subphylum called

Eyes with single lenses that respond to light and darkness are found in many arthropods;these are the

The medicinal leech,once used to withdraw "unhealthy" blood from patients,produces which of the following to ensure blood flow from the host?

Which of the following is not true about crustaceans?

The partitions that separate the segments of the annelid body are known as

The Science of Biology

The Nature of Molecules

The Chemical Building Blocks of Life

Cell Structure

Membranes

Energy and Metabolism

How Cells Harvest Energy

Photosynthesis

Cell Communication

How Cells Divide

Sexual Reproduction and Meiosis

Patterns of Inheritance

Chromosomes Mapping and the Meiosis - Inheritance Connection

Dna: the Genetic Material

Genes and How They Work

Control of Gene Expression

Biotechnology

Genomics

Cellular Mechanisms of Development

Genes Within Populations

The Evidence for Evolution

The Origin of Species

Systematics and the Phylogenetic Revolution

Genome Evolution

Evolution of Development

The Tree of Life

Viruses

Prokaryotes

Protists

Overview of Green Plants

Fungi

Overview of Animal Diversity

Noncoelomate Invertebrates

Vertebrates

Plant Form

Vegetative Plant Development

Transport in Plants

Plant Nutrition and Soils

Plant Defense Responses

Sensory Systems in Plants

Plant Reproduction

The Animal Body and Principles of Regulation

The Nervous System

Sensory Systems

The Endocrine System

The Musculoskeletal System

The Digestive System

The Respiratory System

The Circulatory System

Osmotic Regulation and the Urinary System

The Immune System

The Reproductive System

Animal Development

Behavioral Biology

Population Ecology

Community of Ecology

Dynamics of Ecosystems

The Biosphere

Conservation Biology