Question 1

Figure 26-3
Use the figure to answer the corresponding question(s).  
-Members of the __________ move via pseudopodia.

Accepted Answer

A)  amoebozoa 
B)  rhizaria 
C)  archaeplastids 
D)  excavates 
E)  chromalveolates 
A)  amoebozoa 
B)  rhizaria 
C)  archaeplastids 
D)  excavates 
E)  chromalveolates

Question 2

Figure 26-2
Use the figure to answer the corresponding question(s).  
-Refer to Figure 26-2.The process occurring in the cells labeled 2 in the sequence is:

Accepted Answer

A)  fertilization. 
B)  syngamy. 
C)  the first meiotic division. 
D)  the second meiotic division. 
E)  mitosis. 
A)  fertilization. 
B)  syngamy. 
C)  the first meiotic division. 
D)  the second meiotic division. 
E)  mitosis.

Question 3

Coccolithophorids are marine members of the brown algae.
________________

Accepted Answer

A) True 
 B)False

Question 4

All of the following statements about the brown algae are true except:

Accepted Answer

A)  this group includes the most complex algae that have blades, stipes, and holdfasts. 
B)  they share a common ancestor with representatives of the plant kingdom. 
C)  they represent the largest members of the algae called seaweeds. 
D)  they are harvested for algin, which is used in a variety of commercial products. 
E)  they are ecologically important as producers and in providing habitats along rocky coastlines. 
A)  this group includes the most complex algae that have blades, stipes, and holdfasts. 
B)  they share a common ancestor with representatives of the plant kingdom. 
C)  they represent the largest members of the algae called seaweeds. 
D)  they are harvested for algin, which is used in a variety of commercial products. 
E)  they are ecologically important as producers and in providing habitats along rocky coastlines.

Question 5

Who am I? I have the same photosynthetic pigments as plants, but I can also obtain nutrients by ingestion.

Accepted Answer

A)  plasmodium 
B)  Amoeba 
C)  euglenoids 
D)  Giardia 
E)  Paramecium 
A)  plasmodium 
B)  Amoeba 
C)  euglenoids 
D)  Giardia 
E)  Paramecium

Question 6

Some protists consist of a single cell with multiple nuclei.This condition is known as:

Accepted Answer

A)  mycelium. 
B)  alternation of generations. 
C)  multicellular. 
D)  coenocytic. 
E)  colonial. 
A)  mycelium. 
B)  alternation of generations. 
C)  multicellular. 
D)  coenocytic. 
E)  colonial.

Question 7

The archaeplastids include the red algae and the green algae.
________________

Accepted Answer

A) True 
 B)False

Question 8

Members of the alveolates are characterized by the presence of:

Accepted Answer

A)  contractile vacuoles surrounded by a pellicle. 
B)  micronuclei. 
C)  macronuclei. 
D)  heterocysts. 
E)  flattened vesicles under the plasma membrane. 
A)  contractile vacuoles surrounded by a pellicle. 
B)  micronuclei. 
C)  macronuclei. 
D)  heterocysts. 
E)  flattened vesicles under the plasma membrane.

Question 9

Identify the modes of nutrition found in members of the protists, and include two examples of each.

Accepted Answer

Autotrophs (photosynthesis): C

Question 10

In Paramecium, the surface of the cell is covered with thousands of short, hair-like __________.

Accepted Answer

A)  plasmadesmata 
B)  pseudopods 
C)  flagella 
D)  cilia 
E)  trichomes 
A)  plasmadesmata 
B)  pseudopods 
C)  flagella 
D)  cilia 
E)  trichomes

Question 11

Figure 26-3
Use the figure to answer the corresponding question(s).  
-Refer to Figure 26-3.The structure at point 6 in the life cycle:

Accepted Answer

A)  is a zoospore. 
B)  was produced by mitosis. 
C)  was produced by meiosis. 
D)  is diploid. 
E)  is a structure in which mitosis occurs.. 
A)  is a zoospore. 
B)  was produced by mitosis. 
C)  was produced by meiosis. 
D)  is diploid. 
E)  is a structure in which mitosis occurs..

Question 12

Which of the following protist group does not have flagellated cells?

Accepted Answer

A)  water molds 
B)  brown algae 
C)  euglenoids 
D)  red algae 
E)  golden algae 
A)  water molds 
B)  brown algae 
C)  euglenoids 
D)  red algae 
E)  golden algae

Question 13

Which algal group contains individuals that are typically unicellular and form siliceous shells?

Accepted Answer

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

Question 14

Red tides are caused by red algae.
_________________

Accepted Answer

A) True 
 B)False

Question 15

The symbiotic association in which one partner benefits and the other partner is neither harmed not helped is called mutualism.
__________________

Accepted Answer

A) True 
 B)False

Question 16

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

Accepted Answer

Amoebozoa: pseudopod

Question 17

An example of a protist that reproduces sexually by conjugation is Paramecium.
__________________

Accepted Answer

A) True 
 B)False

Question 18

Parabasilids are excavates that lack functional mitochondria and lack a Golgi complex.
_______________

Accepted Answer

A) True 
 B)False

Question 19

Foraminiferans are Rhizarians.
______________

Accepted Answer

A) True 
 B)False

Question 20

Figure 26-3
Use the figure to answer the corresponding question(s).  
-Which of the following statements concerning radiolarians is FALSE?

Accepted Answer

A)  They lack shells. 
B)  They are actinopods. 
C)  They are rhizarians. 
D)  They have axopods. 
E)  They are important constituents of plankton. 
A)  They lack shells. 
B)  They are actinopods. 
C)  They are rhizarians. 
D)  They have axopods. 
E)  They are important constituents of plankton.

Exam 26: Protists

Figure 26-3 Use the figure to answer the corresponding question(s). -Members of the __________ move via pseudopodia.

Figure 26-2 Use the figure to answer the corresponding question(s). -Refer to Figure 26-2.The process occurring in the cells labeled 2 in the sequence is:

Coccolithophorids are marine members of the brown algae. ________________

All of the following statements about the brown algae are true except:

Who am I? I have the same photosynthetic pigments as plants, but I can also obtain nutrients by ingestion.

Some protists consist of a single cell with multiple nuclei.This condition is known as:

The archaeplastids include the red algae and the green algae. ________________

Members of the alveolates are characterized by the presence of:

Identify the modes of nutrition found in members of the protists, and include two examples of each.

In Paramecium, the surface of the cell is covered with thousands of short, hair-like __________.

Figure 26-3 Use the figure to answer the corresponding question(s). -Refer to Figure 26-3.The structure at point 6 in the life cycle:

Which of the following protist group does not have flagellated cells?

Which algal group contains individuals that are typically unicellular and form siliceous shells?

Red tides are caused by red algae. _________________

The symbiotic association in which one partner benefits and the other partner is neither harmed not helped is called mutualism. __________________

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

An example of a protist that reproduces sexually by conjugation is Paramecium. __________________

Parabasilids are excavates that lack functional mitochondria and lack a Golgi complex. _______________

Foraminiferans are Rhizarians. ______________

Figure 26-3 Use the figure to answer the corresponding question(s). -Which of the following statements concerning radiolarians is FALSE?

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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