Question 1

Onychophorans are also known as ___________ or walking worms.

Accepted Answer

Velvet

Question 2

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. D

Question 3

Amphids and phasmids

Accepted Answer

A) are two kinds of nematodes. 
B) perform a sensory function. 
C) are found in the intestine. 
D) are acquired by eating uncooked beef. 
E) are reproductive stages in nematodes. 
A) are two kinds of nematodes. 
B) perform a sensory function. 
C) are found in the intestine. 
D) are acquired by eating uncooked beef. 
E) are reproductive stages in nematodes. B

Question 4

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 5

"If all the matter in the universe except the were swept away,our world would still be dimly recognizable,and if,as disembodied spirits,we could then investigate it,we should find its mountains,hills,vales,rivers,lakes,and oceans represented by a film of.The location of towns would be decipherable,since for every massing of human beings there would be a corresponding massing of certain.Trees would still stand in ghostly rows representing our streets and highways.The location of the various plants and animals would still be decipherable,and,had we sufficient knowledge,in many cases even their species could be determined by an examination of their erstwhile parasites." The missing term in this passage is

Accepted Answer

A) flatworms. 
B) bacteria. 
C) nematodes. 
D) rotifers. 
E) protozoans. 
A) flatworms. 
B) bacteria. 
C) nematodes. 
D) rotifers. 
E) protozoans.

Question 6

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 is 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 is correct.

Question 7

Loriciferans

Accepted Answer

A) are tiny,about 0.10 to 0.50 mm long. 
B) live in spaces between grains of marine gravel. 
C) widely distributed in the world. 
D) are dioecious. 
E) All of the choices are correct. 
A) are tiny,about 0.10 to 0.50 mm long. 
B) live in spaces between grains of marine gravel. 
C) widely distributed in the world. 
D) are dioecious. 
E) All of the choices are correct.

Question 8

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 9

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 10

Kinorhynchs

Accepted Answer

A) are relatively large (10 to 12.5 cm [4 to 5 in.]). 
B) live in fresh water. 
C) possess external cilia. 
D) have a vestigial digestive system and absorbs food through its epidermis. 
E) are marine worms. 
A) are relatively large (10 to 12.5 cm [4 to 5 in.]). 
B) live in fresh water. 
C) possess external cilia. 
D) have a vestigial digestive system and absorbs food through its epidermis. 
E) are marine worms.

Question 11

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 12

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 13

Outline the life cycle of Wuchereria bancrofti.

Accepted Answer

Wuchereria bancrofti is a parasitic nema

Question 14

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

Accepted Answer

The noncellular cuticle of nematodes is

Question 15

Elephantiasis is an enlargement of legs,arms,scrotum,and other tissues caused by

Accepted Answer

A) an infection of the human coelom by Ascaris. 
B) a large number of Trichinella worms encysting in our muscles. 
C) contracting a disease that usually occurs in elephants. 
D) microscopic nematodes that reproduce and clog lymph glands,causing infection and limbs to swell. 
E) a protozoan that lives in tropical roundworms and which,when ingested by humans,causes muscles to bloat. 
A) an infection of the human coelom by Ascaris. 
B) a large number of Trichinella worms encysting in our muscles. 
C) contracting a disease that usually occurs in elephants. 
D) microscopic nematodes that reproduce and clog lymph glands,causing infection and limbs to swell. 
E) a protozoan that lives in tropical roundworms and which,when ingested by humans,causes muscles to bloat.

Question 16

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 17

Nematodes have no circular muscles in the body wall;therefore,the ___________ antagonizes the longitudinal muscles.

Accepted Answer

The answer of Nematodes have no circular muscles in the...

Question 18

Which of these parasites does NOT enter the mouth of its human host and leave as eggs with the human feces?

Accepted Answer

A) Tapeworm 
B) Pinworm 
C) Ascaris 
D) Hookworm 
E) None of the choices is correct 
A) Tapeworm 
B) Pinworm 
C) Ascaris 
D) Hookworm 
E) None of the choices is correct

Question 19

The nematode Caenorhabditis elegans has allowed scientists to develop "fate maps" tracing cell lines back to cell origins.The trait of nematodes and some other related groups where they have a set number of cell divisions leading to the same number of body cells in an adult is called

Accepted Answer

A) anisogamy. 
B) apoptosis. 
C) cryptobiosis. 
D) gastrulation. 
E) eutely. 
A) anisogamy. 
B) apoptosis. 
C) cryptobiosis. 
D) gastrulation. 
E) eutely.

Question 20

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

Accepted Answer

The Tardigrada and Onychophora are lumpe

Exam 18: Smaller Ecdysozoans

Onychophorans are also known as ___________ or walking worms.

Elephantiasis is transferred by

Amphids and phasmids

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

Dogs commonly suffer from heartworm caused by

Loriciferans

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.

What feature do Tardigrades and arthropods share?

Kinorhynchs

Nematomorphs

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

Outline the life cycle of Wuchereria bancrofti.

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

Elephantiasis is an enlargement of legs,arms,scrotum,and other tissues caused by

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

Nematodes have no circular muscles in the body wall;therefore,the ___________ antagonizes the longitudinal muscles.

Which of these parasites does NOT enter the mouth of its human host and leave as eggs with the human feces?

The nematode Caenorhabditis elegans has allowed scientists to develop "fate maps" tracing cell lines back to cell origins.The trait of nematodes and some other related groups where they have a set number of cell divisions leading to the same number of body cells in an adult is called

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

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

Acoelomorpha, Platyzoa, and Mesozoa

Polyzoa and Kryptrochozoa

Molluscs

Annelids and Allied Taxa

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

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