Question 1

Name the two main clades of Rhizaria, and then list one way of distinguishing one of those clades from the other.

Accepted Answer

The two main clades of Rhizaria and the

Question 2

Discuss the role of protists in both primary and secondary serial endosymbiosis.

Accepted Answer

Concepts to Consider: Mitochondria and c

Question 3

Which statement best describes the composition of cell walls found in water molds?

Accepted Answer

A)  All individuals have only walls made of cellulose. 
B)  All individuals have only walls made of chitin. 
C)  All individuals have only peptidoglycan walls. 
D)  Some individuals have cell walls of chitin, and others have cell walls of cellulose. 
E)  Some individuals have cell walls of chitin, some have cell walls of cellulose, and some have cell walls of both chitin and cellulose. 
A)  All individuals have only walls made of cellulose. 
B)  All individuals have only walls made of chitin. 
C)  All individuals have only peptidoglycan walls. 
D)  Some individuals have cell walls of chitin, and others have cell walls of cellulose. 
E)  Some individuals have cell walls of chitin, some have cell walls of cellulose, and some have cell walls of both chitin and cellulose.

Question 4

The fossilized form of ____ is used in commercially important products, such as filters, polishes, and insect killer.

Accepted Answer

A)  dinoflagellates 
B)  apicomplexans 
C)  zooflagellates. 
D)  euglenoids 
E)  diatoms 
A)  dinoflagellates 
B)  apicomplexans 
C)  zooflagellates. 
D)  euglenoids 
E)  diatoms

Question 5

Most protists are ____, with each cell forming a complete organism capable of performing all the functions characteristic of life.

Accepted Answer

A)  parasitic 
B)  colonial 
C)  unicellular 
D)  autotrophic 
E)  multicellular 
A)  parasitic 
B)  colonial 
C)  unicellular 
D)  autotrophic 
E)  multicellular

Question 6

Which protist group typically consists of amoeboid cells surrounded by a hard outer shell through which cytoplasmic projections extend?

Accepted Answer

A)  rhizarians 
B)  unikonts 
C)  euglenoids 
D)  archaeplastids 
E)  opisthokonts 
A)  rhizarians 
B)  unikonts 
C)  euglenoids 
D)  archaeplastids 
E)  opisthokonts

Question 7

Name the structure that allows motility in the following groups: amoebozoa, excavates, and ciliates.

Accepted Answer

Amoebozoa: pseudopod

Question 8

Which statement about euglenoids is FALSE?

Accepted Answer

A)  They have a pellicle. 
B)  They are unicellular. 
C)  They are all photosynthetic. 
D)  Their cells contain mitochondria. 
E)  They have 9 + 2 arrangement of microtubules in their flagella. 
A)  They have a pellicle. 
B)  They are unicellular. 
C)  They are all photosynthetic. 
D)  Their cells contain mitochondria. 
E)  They have 9 + 2 arrangement of microtubules in their flagella.

Question 9

Provide three diseases caused by protozoa. Include the causal organism, the group in which it is classified, and its means of transmission when possible.

Accepted Answer

Concepts to Consider: 
Unikonts, Amoeboz

Question 10

Match between columns
                        Premises: Cellular slime molds and choanoflagellates
Red algae and green algae
Dinoflagellates and water molds
Alveolates and stramenopiles
Diplomonads and euglenoids
Amoebozoans and opisthokonts
Trypanosomes and parabasalids
Forams and actinopods

Accepted Answer

The Answer of Excavates and Archaeplastids and Rhizarians and Unikonts is...

Question 11

Brown algae lack true roots, but have similar structures called ____ that anchor them to the substrate.

Accepted Answer

A)  stipes 
B)  fronds 
C)  thalli 
D)  blades 
E)  holdfasts 
A)  stipes 
B)  fronds 
C)  thalli 
D)  blades 
E)  holdfasts

Question 12

What is the translation of "pseudopodia," a characteristic of the amoebas?

Accepted Answer

A)  slow feet 
B)  false pods 
C)  false feet 
D)  fake casings 
E)  similar moves 
A)  slow feet 
B)  false pods 
C)  false feet 
D)  fake casings 
E)  similar moves

Question 13

Among the protist groups below, which has organisms that typically move with two or more flagella?

Accepted Answer

A)  actinopods 
B)  amoebozoa 
C)  diplomonads 
D)  foraminifera 
E)  apicomplexans 
A)  actinopods 
B)  amoebozoa 
C)  diplomonads 
D)  foraminifera 
E)  apicomplexans

Question 14

Most protists are:

Accepted Answer

A)  aquatic. 
B)  parasitic. 
C)  terrestrial. 
D)  coenocytic. 
E)  thermophiles. 
A)  aquatic. 
B)  parasitic. 
C)  terrestrial. 
D)  coenocytic. 
E)  thermophiles.

Question 15

Which protist group possess a crystalline rod in their flagella?

Accepted Answer

A)  ciliates 
B)  diatoms 
C)  euglenoids 
D)  water molds 
E)  zooxanthellae 
A)  ciliates 
B)  diatoms 
C)  euglenoids 
D)  water molds 
E)  zooxanthellae

Question 16

Coralline forms of which group of protists are ecologically important in the formation of coral reefs?

Accepted Answer

A)  red algae 
B)  euglenoids 
C)  green algae 
D)  brown algae 
E)  dinoflagellates 
A)  red algae 
B)  euglenoids 
C)  green algae 
D)  brown algae 
E)  dinoflagellates

Question 17

Which statement about radiolarians is FALSE?

Accepted Answer

A)  They are rhizarians. 
B)  They have axopods. 
C)  They are actinopods. 
D)  They lack silica shells. 
E)  They have algal endosymbionts. 
A)  They are rhizarians. 
B)  They have axopods. 
C)  They are actinopods. 
D)  They lack silica shells. 
E)  They have algal endosymbionts.

Question 18

I am characterized by having a test and axopods. Who am I?

Accepted Answer

A)  green algae 
B)  actinopods 
C)  opisthokonts 
D)  stramenopiles 
E)  foraminiferans 
A)  green algae 
B)  actinopods 
C)  opisthokonts 
D)  stramenopiles 
E)  foraminiferans

Question 19

Members of which group are known to form blooms known as red tides?

Accepted Answer

A)  green algae 
B)  red algae 
C)  euglenoids 
D)  dinoflagellates 
E)  brown algae 
A)  green algae 
B)  red algae 
C)  euglenoids 
D)  dinoflagellates 
E)  brown algae

Question 20

According to the serial endosymbiosis hypothesis, the ancestors of mitochondria are thought to be purple bacteria . 
____________________

Accepted Answer

A) True 
 B)False

Exam 26: Protists

Name the two main clades of Rhizaria, and then list one way of distinguishing one of those clades from the other.

Discuss the role of protists in both primary and secondary serial endosymbiosis.

Which statement best describes the composition of cell walls found in water molds?

The fossilized form of ____ is used in commercially important products, such as filters, polishes, and insect killer.

Most protists are ____, with each cell forming a complete organism capable of performing all the functions characteristic of life.

Which protist group typically consists of amoeboid cells surrounded by a hard outer shell through which cytoplasmic projections extend?

Name the structure that allows motility in the following groups: amoebozoa, excavates, and ciliates.

Which statement about euglenoids is FALSE?

Provide three diseases caused by protozoa. Include the causal organism, the group in which it is classified, and its means of transmission when possible.

Brown algae lack true roots, but have similar structures called ____ that anchor them to the substrate.

What is the translation of "pseudopodia," a characteristic of the amoebas?

Among the protist groups below, which has organisms that typically move with two or more flagella?

Most protists are:

Which protist group possess a crystalline rod in their flagella?

Coralline forms of which group of protists are ecologically important in the formation of coral reefs?

Which statement about radiolarians is FALSE?

I am characterized by having a test and axopods. Who am I?

Members of which group are known to form blooms known as red tides?

According to the serial endosymbiosis hypothesis, the ancestors of mitochondria are thought to be purple bacteria . ____________________

A View of Life

Atoms and Molecules the Chemical Basis of Life

The Chemistry of Life Organic Compounds

Organization of the Cell

Biological Membranes

Cell Communication

Energy and Metabolism

How Cells Make Atp Energy-Releasing Pathways

Photosynthesis Capturing Light Energy

Chromosomes, Mitosis, and Meiosis

The Basic Principles of Heredity

Dna the Carrier of Genetic Information

Gene Expression

Gene Regulation

Dna Technology and Genomics

Human Genetics and the Human Genome

Developmental Genetics

Introduction to Darwinian Evolution

Evolutionary Change in Populations

Speciation and Macroevolution

The Origin and Evolutionary History of Life

The Evolution of Primates

Understanding Diversity Systematics

Viruses and Subviral Agents

Bacteria and Archaea

Seedless Plants

Seed Plants

The Fungi

An Introduction to Animal Diversity

Sponges, Cnidarians, Ctenophores, and Protostomes

The Deuterostomes

Plant Structure Growth and Development

Leaf Structure and Function

Stem Structure and Transport

Roots and Mineral Nutrition

Reproduction in Flowering Plants

Plant Developmental Responses to External and Internal Signals

Animal Structure and Function an Introduction

Protection Support and Movement

Neural Signaling

Neural Regulation

Sensory Systems

Internal Transport

The Immune System Internal Defense

Gas Exchange

Processing Food and Nutrition

Osmoregulation and Disposal of Metabolic Wastes

Endocrine Regulation

Reproduction

Animal Development

Animal Behavior

Introduction to Ecology Population Ecology

Community Ecology

Ecosystems and the Biosphere

Ecology and the Geography of Life

Biological Diversity and Conservation Biology

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