Question 1

Copulatory spicules function to

Accepted Answer

A)  attract the female. 
B)  deliver sperm to the female vagina or gonopore. 
C)  hold the female vulva open against hydrostatic pressure. 
D)  store sperm in the male until copulation occurs. 
E)  store sperm in the female after copulation. 
A)  attract the female. 
B)  deliver sperm to the female vagina or gonopore. 
C)  hold the female vulva open against hydrostatic pressure. 
D)  store sperm in the male until copulation occurs. 
E)  store sperm in the female after copulation.

Question 2

In what two roundworm parasite cycles do worms get "coughed up" and swallowed in order to complete their cycle?

Accepted Answer

A)  Ascaris and trichina 
B)  Ascaris and hookworm 
C)  Elephantiasis and trichina 
D)  Hookworm and trichina 
A)  Ascaris and trichina 
B)  Ascaris and hookworm 
C)  Elephantiasis and trichina 
D)  Hookworm and trichina

Question 3

Infective juveniles of hookworms gain access to a host by penetration of the ____________.

Accepted Answer

The answer of Infective juveniles of hookworms gain access to...

Question 4

What feature do Tardigrades and arthropods share?

Accepted Answer

A)  Three caudal lobes on the posterior end 
B)  Muscles that insert on setae 
C)  A small retractable proboscis 
D)  A thick non cellular cuticle 
E)  All are shared features 
A)  Three caudal lobes on the posterior end 
B)  Muscles that insert on setae 
C)  A small retractable proboscis 
D)  A thick non cellular cuticle 
E)  All are shared features

Question 5

Discuss the structure and formation of the noncellular cuticle of nematodes.

Accepted Answer

The noncellular cuticle of nematodes is

Question 6

If you are discovered to have an infection of Ascaris worms,your most likely danger is

Accepted Answer

A)  anemia. 
B)  destruction of tissues as it migrates through your body. 
C)  blockage of the intestines. 
D)  starvation from lack of nutrition because it is absorbing all your food. 
E)  lymph blockage. 
A)  anemia. 
B)  destruction of tissues as it migrates through your body. 
C)  blockage of the intestines. 
D)  starvation from lack of nutrition because it is absorbing all your food. 
E)  lymph blockage.

Question 7

What specific factors protect the average North American from all of the parasitic cycles of flukes,tapeworms,and roundworms,etc.? Be sure to address social attitudes,clothing,climate,food preparation,use of human wastes as fertilizer,general medical care,sanitation facilities,and economics.

Accepted Answer

There are several specific factors that

Question 8

Explain why the Tardigrada and Onychophora are lumped with Arthropoda in the clade Panarthropoda.

Accepted Answer

The Tardigrada and Onychophora are lumpe

Question 9

Tiny marine worms that burrow through mud by extending the head and anchoring it by recurved spines are ________________.

Accepted Answer

The answer of Tiny marine worms that burrow through mud...

Question 10

Which of these is NOT a nematode?

Accepted Answer

A)  Ascaris 
B)  Trichinella 
C)  Wuchereria 
D)  Hookworm 
E)  Schistosoma mansoni, a worm that causes schistosomiasis 
A)  Ascaris 
B)  Trichinella 
C)  Wuchereria 
D)  Hookworm 
E)  Schistosoma mansoni, a worm that causes schistosomiasis

Question 11

Elephantiasis is transferred by

Accepted Answer

A)  eating uncooked elephant meat. 
B)  worms burrowing into skin of feet. 
C)  drinking contaminated water or food. 
D)  mosquitoes injecting larval worms into the bloodstream. 
E)  exchanging body fluids with an infected person. 
A)  eating uncooked elephant meat. 
B)  worms burrowing into skin of feet. 
C)  drinking contaminated water or food. 
D)  mosquitoes injecting larval worms into the bloodstream. 
E)  exchanging body fluids with an infected person.

Question 12

The entire forepart of the body of a loriciferan can be withdrawn into the __________________.

Accepted Answer

The answer of The entire forepart of the body of...

Question 13

Outline the mode of infection of two of the following: hookworm,pinworm,intestinal roundworm,and trichina worm.

Accepted Answer

Hookworm: The mode of infection for hook

Question 14

Describe the life cycle of a Trichinella worm.

Accepted Answer

The life cycle of a Trichinella worm beg

Question 15

On what bases do scientists suspect that the nematodes may be even more diverse than the insects?

Accepted Answer

Scientists suspect that nematodes, also

Question 16

Nematodes have a fluid-filled pseudocoel that serves as a _____________ skeleton.

Accepted Answer

The answer of Nematodes have a fluid-filled pseudocoel that serves...

Question 17

Nematomorphs

Accepted Answer

A)  are called spiny-headed worms. 
B)  are rare. 
C)  are found in the host's liver. 
D)  are free-living as adults but parasitic on vertebrates as juveniles. 
E)  are free-living as adults but parasitic on arthropods as juveniles. 
A)  are called spiny-headed worms. 
B)  are rare. 
C)  are found in the host's liver. 
D)  are free-living as adults but parasitic on vertebrates as juveniles. 
E)  are free-living as adults but parasitic on arthropods as juveniles.

Question 18

If the main disease symptom is anemia (low red blood cell count),the most likely nematode parasite is

Accepted Answer

A)  Trichinella. 
B)  Ascaris. 
C)  Pinworm. 
D)  Elephantiasis. 
E)  Hookworm. 
A)  Trichinella. 
B)  Ascaris. 
C)  Pinworm. 
D)  Elephantiasis. 
E)  Hookworm.

Question 19

Dogs commonly suffer from heartworm caused by

Accepted Answer

A)  dirofilaria nematodes. 
B)  a tapeworm consumed in raw meat. 
C)  eating raw meat infected with Trichinella. 
D)  nematodes consumed as eggs in contaminated water. 
E)  None of the choices are correct. 
A)  dirofilaria nematodes. 
B)  a tapeworm consumed in raw meat. 
C)  eating raw meat infected with Trichinella. 
D)  nematodes consumed as eggs in contaminated water. 
E)  None of the choices are correct.

Question 20

How do you become infected with Necator americanus hookworms?

Accepted Answer

A)  You consume contaminated water or food 
B)  You eat uncooked meat 
C)  Larvae burrow into your feet 
D)  Mosquitoes inject them into your bloodstream 
E)  You transfer them from your anal region if you don't wash your hands 
A)  You consume contaminated water or food 
B)  You eat uncooked meat 
C)  Larvae burrow into your feet 
D)  Mosquitoes inject them into your bloodstream 
E)  You transfer them from your anal region if you don't wash your hands

Exam 18: Smaller Ecdysozoans

Copulatory spicules function to

In what two roundworm parasite cycles do worms get "coughed up" and swallowed in order to complete their cycle?

Infective juveniles of hookworms gain access to a host by penetration of the ____________.

What feature do Tardigrades and arthropods share?

Discuss the structure and formation of the noncellular cuticle of nematodes.

If you are discovered to have an infection of Ascaris worms,your most likely danger is

What specific factors protect the average North American from all of the parasitic cycles of flukes,tapeworms,and roundworms,etc.? Be sure to address social attitudes,clothing,climate,food preparation,use of human wastes as fertilizer,general medical care,sanitation facilities,and economics.

Explain why the Tardigrada and Onychophora are lumped with Arthropoda in the clade Panarthropoda.

Tiny marine worms that burrow through mud by extending the head and anchoring it by recurved spines are ________________.

Which of these is NOT a nematode?

Elephantiasis is transferred by

The entire forepart of the body of a loriciferan can be withdrawn into the __________________.

Outline the mode of infection of two of the following: hookworm,pinworm,intestinal roundworm,and trichina worm.

Describe the life cycle of a Trichinella worm.

On what bases do scientists suspect that the nematodes may be even more diverse than the insects?

Nematodes have a fluid-filled pseudocoel that serves as a _____________ skeleton.

Nematomorphs

If the main disease symptom is anemia (low red blood cell count),the most likely nematode parasite is

Dogs commonly suffer from heartworm caused by

How do you become infected with Necator americanus hookworms?

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

Acoelomorpha,Platyzoa,and Mesozoa

Polyzoa and Kryptrochozoa

Molluscs

Annelids and Allied Taxa

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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