Question 1

Chalk deposits are formed from the ancient remains of apicomplexans.

Accepted Answer

A) True 
 B)False

Question 2

The eyespot of a Euglena cell enables it to

Accepted Answer

A)  orient toward light. 
B)  see images in black and white only. 
C)  photosynthesize. 
D)  see images in color. 
E)  spot potential predators. 
A)  orient toward light. 
B)  see images in black and white only. 
C)  photosynthesize. 
D)  see images in color. 
E)  spot potential predators.

Question 3

In rhizarians, the _ extend through a calcium carbonate or silica shell.

Accepted Answer

The answer of In rhizarians, the _ extend through a...

Question 4

Which of the following characteristics distinguishes red algae from diatoms and dinoflagellates?

Accepted Answer

A)  One is multicellular, whereas the other is not. 
B)  One lives in an aquatic environment. 
C)  One is photosynthetic, whereas the other is not. 
D)  One is eukaryotic, whereas the other is not. 
E)  One is a protist, whereas the other is not. 
A)  One is multicellular, whereas the other is not. 
B)  One lives in an aquatic environment. 
C)  One is photosynthetic, whereas the other is not. 
D)  One is eukaryotic, whereas the other is not. 
E)  One is a protist, whereas the other is not.

Question 5

Which unicellular protists have silica shells consisting of top and bottom halves that fit together like pillboxes?

Accepted Answer

A)  Diatoms 
B)  Euglenids 
C)  Slime molds 
D)  Apicomplexans 
E)  Amoebas 
A)  Diatoms 
B)  Euglenids 
C)  Slime molds 
D)  Apicomplexans 
E)  Amoebas

Question 6

Which group of protists includes photosynthetic, individual cells that lack a rigid cell wall and move via a flagellum?

Accepted Answer

A)  Amoebas 
B)  Water molds 
C)  Diatoms 
D)  Euglenids 
E)  Slime molds 
A)  Amoebas 
B)  Water molds 
C)  Diatoms 
D)  Euglenids 
E)  Slime molds

Question 7

Which of the following has pseudopods?

Accepted Answer

A)  Ciliate 
B)  Apicomplexan 
C)  Slime mold 
D)  Amoeba 
E)  Diatom 
A)  Ciliate 
B)  Apicomplexan 
C)  Slime mold 
D)  Amoeba 
E)  Diatom

Question 8

Beavers are major carriers of Giardia, which is a member of the group that can cause severe diarrhea in people who drink water that contains the organism's cysts.

Accepted Answer

The answer of Beavers are major carriers of Giardia, which...

Question 9

Paralytic shellfish poisoning is caused by the group of protists known as .

Accepted Answer

The answer of Paralytic shellfish poisoning is caused by the...

Question 10

Which protist group includes the water molds, diatoms, and brown algae?

Accepted Answer

A)  Excavates 
B)  Stramenopiles 
C)  Euglenids 
D)  Slime molds 
E)  Diplomonads 
A)  Excavates 
B)  Stramenopiles 
C)  Euglenids 
D)  Slime molds 
E)  Diplomonads

Question 11

Which of the following is a characteristic of the organism that causes malaria?

Accepted Answer

A)  Prokaryotic 
B)  Unicellular 
C)  Multicellular 
D)  Viral 
E)  Photosynthetic 
A)  Prokaryotic 
B)  Unicellular 
C)  Multicellular 
D)  Viral 
E)  Photosynthetic

Question 12

Anaerobic, flagellated protists such as Trichomonas are grouped as .

Accepted Answer

The answer of Anaerobic, flagellated protists such as Trichomonas are...

Question 13

Plasmodial slime molds are described as acellular because they

Accepted Answer

A)  reproduce asexually. 
B)  are heterotrophic. 
C)  have no membranes surrounding their nuclei. 
D)  have no nuclei. 
E)  lack DNA. 
A)  reproduce asexually. 
B)  are heterotrophic. 
C)  have no membranes surrounding their nuclei. 
D)  have no nuclei. 
E)  lack DNA.

Question 14

One of the techniques for controlling the spread of malaria is to drape netting over the bed. What are the two reasons that this measure would prevent the spread of malaria?

Accepted Answer

Plasmodium rely on mosquitoes to spread

Question 15

Which group has caused such agricultural problems as downy mildew, potato blight, and an avocado disease?

Accepted Answer

A)  Protozoa 
B)  Diatoms 
C)  Cyanobacteria 
D)  Slime molds 
E)  Oomycetes 
A)  Protozoa 
B)  Diatoms 
C)  Cyanobacteria 
D)  Slime molds 
E)  Oomycetes

Question 16

Which group has silica shells similar to those of diatoms?

Accepted Answer

A)  Apicomplexans 
B)  Ciliates 
C)  Dinoflagellates 
D)  Euglenids 
E)  Radiolarians 
A)  Apicomplexans 
B)  Ciliates 
C)  Dinoflagellates 
D)  Euglenids 
E)  Radiolarians

Question 17

Paralytic shellfish poisoning occurs when are eaten by humans or marine mammals.

Accepted Answer

A)  euglenids 
B)  excavates 
C)  diatoms 
D)  diplomonads 
E)  dinoflagellates 
A)  euglenids 
B)  excavates 
C)  diatoms 
D)  diplomonads 
E)  dinoflagellates

Question 18

A man is brought to the hospital suffering from nausea, vomiting, and severe stomach cramps. He had recently returned from a hiking trip in northern Minnesota. A sample taken from the man shows a single- celled flagellate organism that lacks mitochondria but has two nuclei. This organism is a(n)

Accepted Answer

A)  green alga. 
B)  diatom. 
C)  euglenozoan. 
D)  apicomplexan. 
E)  excavate. 
A)  green alga. 
B)  diatom. 
C)  euglenozoan. 
D)  apicomplexan. 
E)  excavate.

Question 19

A flagellated protist lives inside the guts of termites and enables the termites to digest the cellulose in wood as a food source. This protist belongs to the

Accepted Answer

A)  apicomplexans. 
B)  Archaea. 
C)  parabasalids. 
D)  amoebas. 
E)  ciliates. 
A)  apicomplexans. 
B)  Archaea. 
C)  parabasalids. 
D)  amoebas. 
E)  ciliates.

Question 20

Trypanosoma is a protistan parasite that causes in humans.

Accepted Answer

African sl

Exam 21: The Diversity of Protists

Chalk deposits are formed from the ancient remains of apicomplexans.

The eyespot of a Euglena cell enables it to

In rhizarians, the _ extend through a calcium carbonate or silica shell.

Which of the following characteristics distinguishes red algae from diatoms and dinoflagellates?

Which unicellular protists have silica shells consisting of top and bottom halves that fit together like pillboxes?

Which group of protists includes photosynthetic, individual cells that lack a rigid cell wall and move via a flagellum?

Which of the following has pseudopods?

Beavers are major carriers of Giardia, which is a member of the group that can cause severe diarrhea in people who drink water that contains the organism's cysts.

Paralytic shellfish poisoning is caused by the group of protists known as .

Which protist group includes the water molds, diatoms, and brown algae?

Which of the following is a characteristic of the organism that causes malaria?

Anaerobic, flagellated protists such as Trichomonas are grouped as .

Plasmodial slime molds are described as acellular because they

One of the techniques for controlling the spread of malaria is to drape netting over the bed. What are the two reasons that this measure would prevent the spread of malaria?

Which group has caused such agricultural problems as downy mildew, potato blight, and an avocado disease?

Which group has silica shells similar to those of diatoms?

Paralytic shellfish poisoning occurs when are eaten by humans or marine mammals.

A man is brought to the hospital suffering from nausea, vomiting, and severe stomach cramps. He had recently returned from a hiking trip in northern Minnesota. A sample taken from the man shows a single- celled flagellate organism that lacks mitochondria but has two nuclei. This organism is a(n)

A flagellated protist lives inside the guts of termites and enables the termites to digest the cellulose in wood as a food source. This protist belongs to the

Trypanosoma is a protistan parasite that causes in humans.

An Introduction to Life on Earth

Atoms, Molecules, and Life

Biological Molecules

Cell Structure and Function

Cell Membrane Structure and Function

Energy Flow in the Life of a Cell

Capturing Solar Energy: Photosynthesis

Harvesting Energy: Glycolysis and Cellular Respiration

Cellular Reproduction

Meiosis: the Basis of Sexual Reproduction

Patterns of Inheritance

Dna: the Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

The History of Life

Systematics: Seeking Order Amid Diversity

The Diversity of Prokaryotes and Viruses

The Diversity of Plants

The Diversity of Fungi

Animal Diversity I: Invertebrates

Animal Diversity II: Vertebrates

Animal Behavior

Population Growth and Regulation

Community Interactions

Energy Flow and Nutrient Cycling in Ecosystems

Earths Diverse Ecosystems

Conserving Earths Biodiversity

Homeostasis and the Organization of the Animal Body

Circulation

Respiration

Nutrition and Digestion

The Urinary System

Defenses Against Disease

Chemical Control of the Animal Body: the Endocrine System

The Nervous System

The Senses

Action and Support: the Muscles and Skeleton

Animal Reproduction

Animal Development

Plant Anatomy and Nutrient Transport

Plant Reproduction and Development

Plant Responses to the Environment

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