Question 1

Most monogeneans are external parasites of ____________.

Accepted Answer

The answer of Most monogeneans are external parasites of ____________....

Question 2

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 3

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 4

The male copulatory organ of turbellarians is called a

Accepted Answer

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

Question 5

How could you become infected with adult tapeworms?

Accepted Answer

A) Eating insufficiently cooked pork 
B) Being bitten by a mosquito 
C) Ingesting eggs in contaminated water 
D) Eating freshly peeled fruit 
E) All of the choices are correct 
A) Eating insufficiently cooked pork 
B) Being bitten by a mosquito 
C) Ingesting eggs in contaminated water 
D) Eating freshly peeled fruit 
E) All of the choices are correct

Question 6

Turbellarians,such as the planaria,move by

Accepted Answer

A) flame cells. 
B) small pseudopodia. 
C) lateral undulation of muscles. 
D) expulsion of fluids as seen in squid. 
E) secreting a slime track of mucus and pushing against it with epidermal cilia and muscular waves. 
A) flame cells. 
B) small pseudopodia. 
C) lateral undulation of muscles. 
D) expulsion of fluids as seen in squid. 
E) secreting a slime track of mucus and pushing against it with epidermal cilia and muscular waves.

Question 7

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 8

Mesozoans

Accepted Answer

A) have two cell layers. 
B) are flat,plate-like animals. 
C) gave rise to the sponges. 
D) have calcareous spicules. 
E) have two germ layers. 
A) have two cell layers. 
B) are flat,plate-like animals. 
C) gave rise to the sponges. 
D) have calcareous spicules. 
E) have two germ layers.

Question 9

How are schistosomes unique,compared to other trematodes?

Accepted Answer

A) They have separate male and female individuals,and the male is larger 
B) At no stage in their life cycle do they leave the body of the host 
C) Infections are easy to cure by drugs and surgery 
D) They strike the rich and the poor,educated and ignorant,alike 
E) All species must cycle through humans to survive 
A) They have separate male and female individuals,and the male is larger 
B) At no stage in their life cycle do they leave the body of the host 
C) Infections are easy to cure by drugs and surgery 
D) They strike the rich and the poor,educated and ignorant,alike 
E) All species must cycle through humans to survive

Question 10

Which of the following organisms lives between sand grains and wasn't described until 2000?

Accepted Answer

A) Micrognathoozoans 
B) Rotifers 
C) Gastrotrichs 
D) Acanthocephalans 
A) Micrognathoozoans 
B) Rotifers 
C) Gastrotrichs 
D) Acanthocephalans

Question 11

The intermediate host of the blood fluke is a

Accepted Answer

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

Question 12

Which of the following is not a characteristic of Trochophore larvae?

Accepted Answer

A) Have a prominent circlet of cilia 
B) Are top-shaped 
C) They occur in the early development of marine forms of Annelida 
D) Their bodies are opaque 
E) They sometimes contain accessory cilia circlets 
A) Have a prominent circlet of cilia 
B) Are top-shaped 
C) They occur in the early development of marine forms of Annelida 
D) Their bodies are opaque 
E) They sometimes contain accessory cilia circlets

Question 13

In tapeworms,the region just behind the scolex where new proglottids are differentiated is the

Accepted Answer

A) vitellaria. 
B) pilidium. 
C) strobila. 
D) hydatid. 
E) germinative zone. 
A) vitellaria. 
B) pilidium. 
C) strobila. 
D) hydatid. 
E) germinative zone.

Question 14

The main reproductive body "segment" of the cestode is called the ____________.

Accepted Answer

The answer of The main reproductive body "segment" of the...

Question 15

The mastix of a rotifer is used for

Accepted Answer

A) respiration. 
B) capturing and grinding food. 
C) swimming. 
D) pumping blood. 
A) respiration. 
B) capturing and grinding food. 
C) swimming. 
D) pumping blood.

Question 16

Rotifers combine ovaries and yolk glands to form a _____ that supplies yolk to eggs through cytoplasmic bridges.

Accepted Answer

A) Mastax 
B) Trochal 
C) Lorica 
D) Germovitellaria 
A) Mastax 
B) Trochal 
C) Lorica 
D) Germovitellaria

Question 17

Platyhelminths are

Accepted Answer

A) carnivores in most cases. 
B) nearly all marine dwellers. 
C) nonparasitic. 
D) mostly dioecious. 
E) All of the choices are correct 
A) carnivores in most cases. 
B) nearly all marine dwellers. 
C) nonparasitic. 
D) mostly dioecious. 
E) All of the choices are correct

Question 18

Trematodes have a body covering known as a ______________.

Accepted Answer

The answer of Trematodes have a body covering known as...

Question 19

Monogeneans hatch as

Accepted Answer

A) fully mature adults. 
B) free-swimming larvae. 
C) flagellated,amoeboid larvae. 
D) larvae resembling gemmules of freshwater sponges. 
E) None of the choices is correct 
A) fully mature adults. 
B) free-swimming larvae. 
C) flagellated,amoeboid larvae. 
D) larvae resembling gemmules of freshwater sponges. 
E) None of the choices is correct

Question 20

The blood fluke Schistosoma is

Accepted Answer

A) an endoparasite and a Monogenean. 
B) an endoparasite and a Digenean. 
C) an ectoparasite and a Digenean. 
D) an ectoparasite and a Monogenean. 
E) None of the choices is correct 
A) an endoparasite and a Monogenean. 
B) an endoparasite and a Digenean. 
C) an ectoparasite and a Digenean. 
D) an ectoparasite and a Monogenean. 
E) None of the choices is correct

Exam 14: Acoelomorpha, Platyzoa, and Mesozoa

Most monogeneans are external parasites of ____________.

The region used for attachment of a tapeworm is called the

Which is NOT a correct association of blood flukes?

The male copulatory organ of turbellarians is called a

How could you become infected with adult tapeworms?

Turbellarians,such as the planaria,move by

The nervous system of a freshwater planarian consists of

Mesozoans

How are schistosomes unique,compared to other trematodes?

Which of the following organisms lives between sand grains and wasn't described until 2000?

The intermediate host of the blood fluke is a

Which of the following is not a characteristic of Trochophore larvae?

In tapeworms,the region just behind the scolex where new proglottids are differentiated is the

The main reproductive body "segment" of the cestode is called the ____________.

The mastix of a rotifer is used for

Rotifers combine ovaries and yolk glands to form a _____ that supplies yolk to eggs through cytoplasmic bridges.

Platyhelminths are

Trematodes have a body covering known as a ______________.

Monogeneans hatch as

The blood fluke Schistosoma is

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

Architectual Pattern of an Animal

Taxonomy and Phylogeny of Animals

Unicellular Eukaryotes

Sponges and Placozoans

Cnidarians and Ctenophores

Polyzoa and Kryptrochozoa

Molluscs

Annelids and Allied Taxa

Smaller Ecdysozoans

Trilobites, Chelicerates, and Myriapods

Crustaceans

Hexapods

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 Distribution

Animal Ecology

Filters