Question 1

​Select the best choice for the following statements using the five groups listed below.
-This group includes the diatoms.

Accepted Answer

A) ​apicomplexans 
B) ​amoebozoans 
C) ​euglenoids 
D) ​dinoflagellates 
E) ​trypanosomes 
A) ​apicomplexans 
B) ​amoebozoans 
C) ​euglenoids 
D) ​dinoflagellates 
E) ​trypanosomes

Question 2

Figure 21.11
​
  
-The organism in the accompanying figure belongs to which group?​

Accepted Answer

A)  ​excavates 
B)  ​alveolates 
C)  ​stramenopiles 
D)  ​green algae 
E)  ​rhizarians 
A)  ​excavates 
B)  ​alveolates 
C)  ​stramenopiles 
D)  ​green algae 
E)  ​rhizarians

Question 3

Describe the relationship of protists to the major groups of eukaryotes.

Accepted Answer

Protists seem to have been the pathway t

Question 4

​Select the best choice for the following statements using the five groups listed below.
-Neurotoxin from some members of this group can kill humans.

Accepted Answer

A) ​apicomplexans 
B) ​amoebozoans 
C) ​euglenoids 
D) ​dinoflagellates 
E) ​trypanosomes 
A) ​apicomplexans 
B) ​amoebozoans 
C) ​euglenoids 
D) ​dinoflagellates 
E) ​trypanosomes

Question 5

Some protists have complex life cycles and change between the haploid and diploid state. This process is called __________ of _________.

Accepted Answer

alternatio

Question 6

Which feature is shared by euglenoids and kinetoplastids?​

Accepted Answer

A)  ​an eyespot 
B)  flagellated 
C)  ​photoautotrophy 
D)  ​parasitic existence 
E)  ​marine and freshwater habitats 
A)  ​an eyespot 
B)  flagellated 
C)  ​photoautotrophy 
D)  ​parasitic existence 
E)  ​marine and freshwater habitats

Question 7

Four of the following are shared characteristics of parabasalids and diplomonads. Which is the exception?

Accepted Answer

A)  ​heterotrophy 
B)  ​flagella 
C)  ​oxygen-poor or anaerobic habitats 
D)  ​abundant mitochondria 
E)  ​presence of a pellicle 
A)  ​heterotrophy 
B)  ​flagella 
C)  ​oxygen-poor or anaerobic habitats 
D)  ​abundant mitochondria 
E)  ​presence of a pellicle

Question 8

Figure 21.21
  
-Which pigment(s) is/are characteristic of chlorophytes?

Accepted Answer

A)  ​chlorophyll a 
B)  ​phycobilins 
C)  ​chlorophyll b 
D)  fucoxanthin 
E)  ​chlorophylls a and b 
A)  ​chlorophyll a 
B)  ​phycobilins 
C)  ​chlorophyll b 
D)  fucoxanthin 
E)  ​chlorophylls a and b

Question 9

Red tides and extensive fish kills are caused by population blooms of ____.

Accepted Answer

A)  ​Euglena 
B)  ​specific dinoflagellates 
C)  ​diatoms 
D)  ​Plasmodium 
E)  ​fish 
A)  ​Euglena 
B)  ​specific dinoflagellates 
C)  ​diatoms 
D)  ​Plasmodium 
E)  ​fish

Question 10

Diatoms are used for four of the following. Which one is the exception?​

Accepted Answer

A)  ​biofuels 
B)  ​ink 
C)  ​filters 
D)  ​cleaners 
E)  ​insecticides 
A)  ​biofuels 
B)  ​ink 
C)  ​filters 
D)  ​cleaners 
E)  ​insecticides

Question 11

In a life cycle that exhibits ____, the only diploid cell is the zygote.

Accepted Answer

A)  ​alternation of generations 
B)  ​haploid-dominance 
C)  ​heterotrophism 
D)  ​endosymbiosis 
E)  ​diploid-dominance 
A)  ​alternation of generations 
B)  ​haploid-dominance 
C)  ​heterotrophism 
D)  ​endosymbiosis 
E)  ​diploid-dominance

Question 12

Four of the statements about malaria are true. Which one is FALSE?​

Accepted Answer

A)  ​It is caused by an evolving organism. 
B)  ​It is transmitted from person to person by the bite of a mosquito. 
C)  ​Its mortality rate is linked to the allele for sickle cell anemia. 
D)  ​Its greatest mortality rate is in Africa. 
E)  Its occurrencein the United States can be traced to ineffective mosquito spraying in the southern states. 
A)  ​It is caused by an evolving organism. 
B)  ​It is transmitted from person to person by the bite of a mosquito. 
C)  ​Its mortality rate is linked to the allele for sickle cell anemia. 
D)  ​Its greatest mortality rate is in Africa. 
E)  Its occurrencein the United States can be traced to ineffective mosquito spraying in the southern states.

Question 13

​Select the best choice for the following statements using the five groups listed below.
-Paramecium belongs to this group.

Accepted Answer

A) ​apicomplexans 
B) ​amoebozoans 
C) ​euglenoids 
D) ​dinoflagellates 
E) ​trypanosomes 
A) ​apicomplexans 
B) ​amoebozoans 
C) ​euglenoids 
D) ​dinoflagellates 
E) ​trypanosomes

Question 14

Why is malaria such an effective disease?

Accepted Answer

There are many reasons that malaria is e

Question 15

Figure 21.15
​
   
Refer to the accompanying figure for questions .
-Within one or two weeks after infection with Plasmodium, ruptured liver cells release _____ and cellular debris into the host's bloodstream, causing fever and weakness characteristic of malaria.

Accepted Answer

A)  ​sporozoites 
B)  ​merozoites 
C)  ​Anopheles mosquitoes 
D)  ​gametocytes 
E)  zygotes 
A)  ​sporozoites 
B)  ​merozoites 
C)  ​Anopheles mosquitoes 
D)  ​gametocytes 
E)  zygotes

Question 16

What is NOT a characteristic of radiolarians?

Accepted Answer

A)  ​They have perforated shells of calcium carbonate. 
B)  ​They form part of the plankton. 
C)  ​They use pseudopods for feeding. 
D)  ​They have vacuoles that impart buoyancy. 
E)  ​They are heterotrophic protists. 
A)  ​They have perforated shells of calcium carbonate. 
B)  ​They form part of the plankton. 
C)  ​They use pseudopods for feeding. 
D)  ​They have vacuoles that impart buoyancy. 
E)  ​They are heterotrophic protists.

Question 17

Portion of Figure 21.17
​
   
Refer to the accompanying figure for questions
-Which letter points to the counterpart of a stem in a flowering plant?

Accepted Answer

A)  ​A 
B)  ​B 
C)  ​C 
D)  ​D 
E)  ​E 
A)  ​A 
B)  ​B 
C)  ​C 
D)  ​D 
E)  ​E

Question 18

​Select the best choice for the following statements using the five groups listed below.
-The malarial parasite Plasmodium is a member of this group.

Accepted Answer

A) ​apicomplexans 
B) ​amoebozoans 
C) ​euglenoids 
D) ​dinoflagellates 
E) ​trypanosomes 
A) ​apicomplexans 
B) ​amoebozoans 
C) ​euglenoids 
D) ​dinoflagellates 
E) ​trypanosomes

Question 19

What occurs when a photosynthetic protist is taken up by a heterotrophic protist and evolves into a chloroplast?​

Accepted Answer

A)  ​multicellularity 
B)  ​primary endosymbiosis 
C)  ​colonialism 
D)  ​chloroplasty 
E)  ​secondary endosymbiosis 
A)  ​multicellularity 
B)  ​primary endosymbiosis 
C)  ​colonialism 
D)  ​chloroplasty 
E)  ​secondary endosymbiosis

Question 20

Most freshwater algae belong to which group?​

Accepted Answer

A)  ​red algae 
B)  ​green algae 
C)  ​brown algae 
D)  ​golden algae 
E)  ​blue-green algae 
A)  ​red algae 
B)  ​green algae 
C)  ​brown algae 
D)  ​golden algae 
E)  ​blue-green algae

Exam 21: Protists - the Simplest Eukaryotes

​Select the best choice for the following statements using the five groups listed below. -This group includes the diatoms.

Figure 21.11 ​ -The organism in the accompanying figure belongs to which group?​

Describe the relationship of protists to the major groups of eukaryotes.

​Select the best choice for the following statements using the five groups listed below. -Neurotoxin from some members of this group can kill humans.

Some protists have complex life cycles and change between the haploid and diploid state. This process is called __________ of _________.

Which feature is shared by euglenoids and kinetoplastids?​

Four of the following are shared characteristics of parabasalids and diplomonads. Which is the exception?

Figure 21.21 -Which pigment(s) is/are characteristic of chlorophytes?

Red tides and extensive fish kills are caused by population blooms of ____.

Diatoms are used for four of the following. Which one is the exception?​

In a life cycle that exhibits ____, the only diploid cell is the zygote.

Four of the statements about malaria are true. Which one is FALSE?​

​Select the best choice for the following statements using the five groups listed below. -Paramecium belongs to this group.

Why is malaria such an effective disease?

Figure 21.15 ​ Refer to the accompanying figure for questions . -Within one or two weeks after infection with Plasmodium, ruptured liver cells release _____ and cellular debris into the host's bloodstream, causing fever and weakness characteristic of malaria.

What is NOT a characteristic of radiolarians?

Portion of Figure 21.17 ​ Refer to the accompanying figure for questions -Which letter points to the counterpart of a stem in a flowering plant?

​Select the best choice for the following statements using the five groups listed below. -The malarial parasite Plasmodium is a member of this group.

What occurs when a photosynthetic protist is taken up by a heterotrophic protist and evolves into a chloroplast?​

Most freshwater algae belong to which group?​

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

Ground Rules of Metabolism

Where It Starts - Photosynthesis

How Cells Release Chemical Energy

Dna Structure and Function

From Dna to Protein

Gene Control

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Studying and Manipulating Genomes

Evidence of Evolution

Processes of Evolution

Organizating Information About Species

Lifes Origin and Early Evolution

Viruses - Bacteria - and Archaea

The Land Plants

Fungi

Animal Evolution - the Invertibrates

Animal Evolution - the Chordates

Human Evolution

Plant Tissues

Plant Nutrition and Transport

Life Cycles of Flowering Plants

Communication Strategies in Plants

Animal Tissues

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Nutrition

Maintaining the Internal Environment

Animal Reproductive Systems

Animal Development

Animal Behavior

Filters

Select the best choice for the following statements using the five groups listed below. -This group includes the diatoms.

Figure 21.11 -The organism in the accompanying figure belongs to which group?

Select the best choice for the following statements using the five groups listed below. -Neurotoxin from some members of this group can kill humans.

Some protists have complex life cycles and change between the haploid and diploid state. This process is called __ of _.

Which feature is shared by euglenoids and kinetoplastids?

Diatoms are used for four of the following. Which one is the exception?

Four of the statements about malaria are true. Which one is FALSE?

Select the best choice for the following statements using the five groups listed below. -Paramecium belongs to this group.

Figure 21.15 Refer to the accompanying figure for questions . -Within one or two weeks after infection with Plasmodium, ruptured liver cells release _____ and cellular debris into the host's bloodstream, causing fever and weakness characteristic of malaria.

Portion of Figure 21.17 Refer to the accompanying figure for questions -Which letter points to the counterpart of a stem in a flowering plant?

Select the best choice for the following statements using the five groups listed below. -The malarial parasite Plasmodium is a member of this group.

What occurs when a photosynthetic protist is taken up by a heterotrophic protist and evolves into a chloroplast?

Most freshwater algae belong to which group?