Question 1

The intermediate host of the blood fluke is a

Accepted Answer

A)  crayfish. 
B)  human. 
C)  frog. 
D)  dog. 
E)  None of the choices are correct 
A)  crayfish. 
B)  human. 
C)  frog. 
D)  dog. 
E)  None of the choices are correct

Question 2

The flatworms typically have _______ cleavage.

Accepted Answer

A)  Radial 
B)  Bilateral 
C)  Rotational 
D)  Discoidal 
E)  Spiral 
A)  Radial 
B)  Bilateral 
C)  Rotational 
D)  Discoidal 
E)  Spiral

Question 3

Rotifers are _____

Accepted Answer

A)  primarily marine. 
B)  dioecious. 
C)  animals with a complete digestive tract. 
D)  animals that can survive if their aquatic environment dries up. 
A)  primarily marine. 
B)  dioecious. 
C)  animals with a complete digestive tract. 
D)  animals that can survive if their aquatic environment dries up.

Question 4

In flame cells,

Accepted Answer

A)  flagella drive fluid through tubules. 
B)  digestion of proteins takes place. 
C)  excretion of proteins is one important function. 
D)  heat is intense as energy is released. 
E)  None of the choices are correct 
A)  flagella drive fluid through tubules. 
B)  digestion of proteins takes place. 
C)  excretion of proteins is one important function. 
D)  heat is intense as energy is released. 
E)  None of the choices are correct

Question 5

The free-swimming,ciliated stage that hatches from a digenetic trematode egg is the _____________.

Accepted Answer

The answer of The free-swimming,ciliated stage that hatches from a...

Question 6

Because some turbellarians fail to add yolk to the egg cells as they undergo oogenesis,yolk cells surround the zygote to provide nourishment.This development is referred to as

Accepted Answer

A)  endolecithal. 
B)  ectolecithal. 
C)  syncytial. 
D)  oncospherical. 
E)  hydatid. 
A)  endolecithal. 
B)  ectolecithal. 
C)  syncytial. 
D)  oncospherical. 
E)  hydatid.

Question 7

Which is NOT a correct association of blood flukes?

Accepted Answer

A)  Schistosoma mansoni-veins of large intestine 
B)  Schistosoma japonicum-veins of small intestine 
C)  Schistosoma haematobium-veins of urinary bladder 
D)  Schistosoma haematobium-least serious 
E)  Schistosoma japonicum-mild infections, never fatal 
A)  Schistosoma mansoni-veins of large intestine 
B)  Schistosoma japonicum-veins of small intestine 
C)  Schistosoma haematobium-veins of urinary bladder 
D)  Schistosoma haematobium-least serious 
E)  Schistosoma japonicum-mild infections, never fatal

Question 8

"Amictic" eggs would?

Accepted Answer

A)  be fertile but not develop. 
B)  be diploid and develop without fertilization. 
C)  be haploid and only develop if fertilized. 
D)  lack yolk. 
A)  be fertile but not develop. 
B)  be diploid and develop without fertilization. 
C)  be haploid and only develop if fertilized. 
D)  lack yolk.

Question 9

Which of the following statements about planaria is NOT true?

Accepted Answer

A)  The rudimentary circulatory system has a small central heart 
B)  Planaria cut in half regenerate to form two complete worms 
C)  Movement occurs through ciliary cells and muscle movement 
D)  Tissue levels include endoderm (inner), mesoderm (middle), and ectoderm (outer) 
E)  Cephalization consists of a brain and sense organs in a head region 
A)  The rudimentary circulatory system has a small central heart 
B)  Planaria cut in half regenerate to form two complete worms 
C)  Movement occurs through ciliary cells and muscle movement 
D)  Tissue levels include endoderm (inner), mesoderm (middle), and ectoderm (outer) 
E)  Cephalization consists of a brain and sense organs in a head region

Question 10

Which of the following is not a class of the phylum Platyhelminthes?

Accepted Answer

A)  Cestoda 
B)  Trematoda 
C)  Nemertea 
D)  Turbellaria 
E)  Monogenea 
A)  Cestoda 
B)  Trematoda 
C)  Nemertea 
D)  Turbellaria 
E)  Monogenea

Question 11

A farmer in a rice paddy in Asia becomes infected with the liver fluke by

Accepted Answer

A)  eating infected snails. 
B)  drinking water contaminated with eggs. 
C)  eating infected fish that is undercooked or uncooked. 
D)  swimming or wading in infected water, where the cercariae enter the skin. 
E)  None of the choices are correct 
A)  eating infected snails. 
B)  drinking water contaminated with eggs. 
C)  eating infected fish that is undercooked or uncooked. 
D)  swimming or wading in infected water, where the cercariae enter the skin. 
E)  None of the choices are correct

Question 12

Turbellarians have light-sensitive organs called _______________ or eyespots.

Accepted Answer

The answer of Turbellarians have light-sensitive organs called _______________ or...

Question 13

The large posterior attachment organ of the adult monogenean is a/an

Accepted Answer

A)  rhabdite. 
B)  pilidium. 
C)  cirrus. 
D)  hydatid. 
E)  opisthaptor. 
A)  rhabdite. 
B)  pilidium. 
C)  cirrus. 
D)  hydatid. 
E)  opisthaptor.

Question 14

Minute,wormlike animals that live as parasites in invertebrates and have two cell layers are the _________________.

Accepted Answer

The answer of Minute,wormlike animals that live as parasites in...

Question 15

The nervous system of a freshwater planarian consists of

Accepted Answer

A)  only a diffuse subepidermal nerve plexus underneath the ventral skin. 
B)  a simple brain of ganglion cells leading to a ladder-type nerve network. 
C)  only sensory and motor neurons, but no association neurons. 
D)  the first complex central nervous system. 
E)  no cells since they were lost along with other unnecessary systems in parasites. 
A)  only a diffuse subepidermal nerve plexus underneath the ventral skin. 
B)  a simple brain of ganglion cells leading to a ladder-type nerve network. 
C)  only sensory and motor neurons, but no association neurons. 
D)  the first complex central nervous system. 
E)  no cells since they were lost along with other unnecessary systems in parasites.

Question 16

Ribbon worms and flatworms both have

Accepted Answer

A)  a flow-through digestive tract. 
B)  flame cells. 
C)  a blood-vascular system. 
D)  an eversible proboscis. 
E)  mostly parasitic lifestyles. 
A)  a flow-through digestive tract. 
B)  flame cells. 
C)  a blood-vascular system. 
D)  an eversible proboscis. 
E)  mostly parasitic lifestyles.

Question 17

Animals with three well-defined germ layers and that have one solid mass of tissue rather than tissues and organs nestled inside a body cavity are

Accepted Answer

A)  acoelomate and triploblastic. 
B)  eucoelomate and diploblastic. 
C)  pseudocoelomate and triploblastic. 
D)  quasicoelomate and diploblastic. 
E)  coelomate and triploblastic. 
A)  acoelomate and triploblastic. 
B)  eucoelomate and diploblastic. 
C)  pseudocoelomate and triploblastic. 
D)  quasicoelomate and diploblastic. 
E)  coelomate and triploblastic.

Question 18

Some rotifers have a thick case-like layer arranged in plates or rings called a _____.

Accepted Answer

A)  mastix 
B)  trochal 
C)  lorica 
D)  trophi 
A)  mastix 
B)  trochal 
C)  lorica 
D)  trophi

Question 19

The region used for attachment of a tapeworm is called the

Accepted Answer

A)  proglottid. 
B)  cercaria. 
C)  sporocyst. 
D)  scolex. 
E)  hydatid. 
A)  proglottid. 
B)  cercaria. 
C)  sporocyst. 
D)  scolex. 
E)  hydatid.

Question 20

Tissues that seem to violate the cell theory because the nuclei are not separated by cell membranes are

Accepted Answer

A)  parenchymal. 
B)  syncytial. 
C)  tegumental. 
D)  rhabdites. 
E)  vitellaria. 
A)  parenchymal. 
B)  syncytial. 
C)  tegumental. 
D)  rhabdites. 
E)  vitellaria.

Exam 14: Acoelomorpha,Platyzoa,and Mesozoa

The intermediate host of the blood fluke is a

The flatworms typically have _______ cleavage.

Rotifers are _____

In flame cells,

The free-swimming,ciliated stage that hatches from a digenetic trematode egg is the _____________.

Because some turbellarians fail to add yolk to the egg cells as they undergo oogenesis,yolk cells surround the zygote to provide nourishment.This development is referred to as

Which is NOT a correct association of blood flukes?

"Amictic" eggs would?

Which of the following statements about planaria is NOT true?

Which of the following is not a class of the phylum Platyhelminthes?

A farmer in a rice paddy in Asia becomes infected with the liver fluke by

Turbellarians have light-sensitive organs called _______________ or eyespots.

The large posterior attachment organ of the adult monogenean is a/an

Minute,wormlike animals that live as parasites in invertebrates and have two cell layers are the _________________.

The nervous system of a freshwater planarian consists of

Ribbon worms and flatworms both have

Animals with three well-defined germ layers and that have one solid mass of tissue rather than tissues and organs nestled inside a body cavity are

Some rotifers have a thick case-like layer arranged in plates or rings called a _____.

The region used for attachment of a tapeworm is called the

Tissues that seem to violate the cell theory because the nuclei are not separated by cell membranes are

Life: Biological Principles and the Science of Zoology

The Origin and Chemistry of Life

Cells As Units of Life

Cellular Metabolism

Genetics: a Review

Organic Evolution

The Reproductive Process

Principles of Development

Architectural Pattern of an Animal

Taxonomy and Phylogeny of Animals

Unicellular Eukaryotes

Sponges and Placozoans

Radiate Animals

Polyzoa and Kryptrochozoa

Molluscs

Annelids and Allied Taxa

Smaller Ecdysozoans

Trilobites, Chelicerates, and Myriapods

Crustaceans

Support, Protection, and Movement

Chaetognaths, Echinoderms, and Hemichordates

Chordates

Fishes

Early Tetrapods and Modern Amphibians

Amniote Origins and Nonavian Reptiles

Birds

Mammals

Support, protection, and Movement

Homeostasis: Osmotic Regulation, Excretion, and Temperature Regulation

Homeostasis: Internal Fluids and Respiration

Digestion and Nutrition

Nervous Coordination: Nervous System and Sense Organs

Chemical Coordination: Endocrine System

Immunity

Animal Behavior

Animal Distributions

Animal Ecology

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