Question 1

In Plasmodium, sexual reproduction occurs in the _________, while asexual reproduction occurs in ________.

Accepted Answer

A)   mosquito; humans
B)   humans; mosquitoes
C)   tsetse fly; humans
D)   deer tick; deerE) All of the above
F) B) and C)

Question 2

If a public health official was trying to reduce the potential for human exposure to a "red tide" which of the following actions would they take?

Accepted Answer

A)   Place a ban on eating fish that were exposed to the dinoflagellate Alexandrium catanella
B)   Decrease the amount of nutrients that are washed into the aquatic ecosystem
C)   Avoid eating shellfish that live in coastal areas that have a high influx of nutrients
D)   All of these actions would help reduce the potential for human exposure to a "red tide".E) All of the above
F) A) and D)

Question 3

Which disease is mismatched with the incorrect causative agent?

Accepted Answer

A)   fish kills - dinoflagellate
B)   fish ick - a ciliate
C)   malaria - an amebozoan
D)   African sleeping sickness - a trypanosomeE) None of the above
F) B) and C)

Question 4

DNA sequencing suggests that among the green algae, the __________ are most closely related to land plants.

Accepted Answer

A)   Volvox
B)   Spirogyra
C)   Chara
D)   Ulva
E)   ChlamydomonasF) B) and E)
G) A) and D)

Question 5

Amoebic dysentery is transmitted by (through)

Accepted Answer

A)   the bite of a mosquito.
B)   the bite of a tsetse fly.
C)   having sex with an infected partner.
D)   ingesting contaminated water or food.E) B) and D)
F) C) and D) D

Question 6

Which protistan structure is not correctly matched with its function?

Accepted Answer

A)   pseudopodia - movement and feeding
B)   cyst - a reproductive structure
C)   trichocyst - defense and capture of prey
D)   pyrenoid - synthesis of starchE) B) and D)
F) A) and C)

Question 7

Which of the following protozoans is mismatched with the disease that it causes?

Accepted Answer

A)   Trypanosoma brucei-sleeping sickness
B)   Trichomonas vaginalis-vaginitis and urethritis
C)   Entamoeba histolytica-amoebic dysentery
D)   Giardia lamblia-malariaE) A) and D)
F) A) and C)

Question 8

The reason biologists believe that green algae and land plants, both members of the supergroup Archaeplastida, are related is because both of them possess chlorophyll a & b as well as cell walls made of starch.

Accepted Answer

A) True 
 B)False

Question 9

Which definition would best describe the feeding mechanism of Euglena?

Accepted Answer

A)   carnivorous
B)   decomposer
C)   heterotrophic
D)   photoautotrophic
E)   mixotrophicF) A) and B)
G) D) and E)

Question 10

The most widely accepted formal classification of protists assigns them to

Accepted Answer

A)   the kingdom Protista.
B)   six different supergroups.
C)   Domain Archaea.
D)   Domain EubacteriaE) B) and C)
F) C) and D)

Question 11

Imagine you are working for the Florida Public Health Department and you have been assigned the task of preventing malaria from spreading throughout the southern Everglades. Which of the following scenarios would have the greatest chance of success?

Accepted Answer

A)   Spraying the edges of the Everglades with a pesticide that will kill mosquitos
B)   Developing a vaccination that would prevent the ability of the merozoites to reproduce within the hosts bloodstream
C)   Devise a insect repellant that would prevent the Anopheles mosquito from biting a human host
D)   All of these scenarios would have a chance of success in preventing malaria from spreading throughout the southern Everglades.E) C) and D)
F) B) and C)

Question 12

Explain the features necessary for both Brown algae and Dinoflagellates to be classified in the supergroup Chromalveolata.

Accepted Answer

Brown algae will have chlorophyll a and ...

Question 13

The human body generally forms antibodies ("immune chemicals") to foreign substances detected in the blood plasma or in interstitial spaces within a short time. Explain why the malaria organism, unlike "short-lived" influenza and other infections, can survive in the human host to cause recurrent chills and fevers for years.

Accepted Answer

The malarial parasite has two hosts, both the mosquito and humans. In humans, the parasite spends most of its time inside liver and red blood cells, hiding from the immune system. Some species may remain dormant in liver cells for extended periods of time.

Question 14

The members of the Supergroup Archaeplastida that have cell walls impregnated with calcium carbonate and help build coral reefs are the _________.

Accepted Answer

A)   diatoms
B)   dinoflagellates
C)   multicellular green algae
D)   brown algae
E)   red algaeF) A) and D)
G) A) and C) E

Question 15

Which of the following pairs of Protists would be most closely related due to both of them possessing plastids?

Accepted Answer

A)   Archaeplastids & Rhizaria
B)   Archaeplastids & Chromalveolata
C)   Rhizaria & Chromalveolata
D)   Amoebozoa & ExcavataE) All of the above
F) A) and B)

Question 16

A distinctive form of this pictured organism is found in each geologic period. Which statement(s)  about this organism is/are true? 8-26-2013

Accepted Answer

A)   The organisms pictured are foraminiferans, members of Supergroup Rhizarian and have a skeleton called a test.
B)   These organisms may be used as index fossils to date sedimentary rock.
C)   The Egyptian pyramids are built of this type of limestone.
D)   All of the answer choices are correct.
E)   The organisms pictured are foraminiferans, members of Supergroup Excavates.F) B) and D)
G) D) and E)

Question 17

The various forms of algae (Archaeplastids)  are NOT considered plants because they

Accepted Answer

A)   are not multicellular.
B)   lack strengthened cell walls.
C)   never have specialized tissues.
D)   lack plant structures such as true roots, stems, and leaves.
E)   All of the choices are differences that separate the algae from plants.F) A) and C)
G) A) and E)

Question 18

It is believed that eukaryotes evolved their mitochondria from a symbiotic relationship with a free-living aerobic bacteria.

Accepted Answer

A) True 
 B)False

Question 19

This name of the filamentous algae pictured here, belongs in the supergroup Archaeplastida, is _______.

Accepted Answer

A)   Ulva
B)   Plasmodium
C)   Chlamydomonas
D)   Spirogyra
E)   VolvoxF) B) and C)
G) C) and D)

Question 20

The 1840s Irish potato famine was caused by a water mold parasite on potatoes.

Accepted Answer

A) True 
 B)False

Exam 21: Protist Evolution and Diversity

In Plasmodium, sexual reproduction occurs in the _, while asexual reproduction occurs in .

Correct Answer
verified

If a public health official was trying to reduce the potential for human exposure to a "red tide" which of the following actions would they take?

Correct Answer
verified

Which disease is mismatched with the incorrect causative agent?

Correct Answer
verified

DNA sequencing suggests that among the green algae, the __________ are most closely related to land plants.

Correct Answer
verified

Amoebic dysentery is transmitted by (through)

Correct Answer
verified
D

Which protistan structure is not correctly matched with its function?

Correct Answer
verified

Which of the following protozoans is mismatched with the disease that it causes?

Correct Answer
verified

The reason biologists believe that green algae and land plants, both members of the supergroup Archaeplastida, are related is because both of them possess chlorophyll a & b as well as cell walls made of starch.

Correct Answer
verified

Which definition would best describe the feeding mechanism of Euglena?

Correct Answer
verified

The most widely accepted formal classification of protists assigns them to

Correct Answer
verified

Imagine you are working for the Florida Public Health Department and you have been assigned the task of preventing malaria from spreading throughout the southern Everglades. Which of the following scenarios would have the greatest chance of success?

Correct Answer
verified

Explain the features necessary for both Brown algae and Dinoflagellates to be classified in the supergroup Chromalveolata.

Correct Answer
verified
Brown algae will have chlorophyll a and ...
View Answer

Correct Answer
verified
The malarial parasite has two hosts, both the mosquito and humans. In humans, the parasite spends most of its time inside liver and red blood cells, hiding from the immune system. Some species may remain dormant in liver cells for extended periods of time.

The members of the Supergroup Archaeplastida that have cell walls impregnated with calcium carbonate and help build coral reefs are the _________.

Correct Answer
verified
E

Which of the following pairs of Protists would be most closely related due to both of them possessing plastids?

Correct Answer
verified

A distinctive form of this pictured organism is found in each geologic period. Which statement(s) about this organism is/are true? 8-26-2013

Correct Answer
verified

The various forms of algae (Archaeplastids) are NOT considered plants because they

Correct Answer
verified

It is believed that eukaryotes evolved their mitochondria from a symbiotic relationship with a free-living aerobic bacteria.

Correct Answer
verified

This name of the filamentous algae pictured here, belongs in the supergroup Archaeplastida, is _______.

Correct Answer
verified

The 1840s Irish potato famine was caused by a water mold parasite on potatoes.

Correct Answer
verified

Exam 21: Protist Evolution and Diversity

In Plasmodium, sexual reproduction occurs in the _________, while asexual reproduction occurs in ________.

Correct AnswerverifiedShow Answer

If a public health official was trying to reduce the potential for human exposure to a "red tide" which of the following actions would they take?

Correct AnswerverifiedShow Answer

Which disease is mismatched with the incorrect causative agent?

Correct AnswerverifiedShow Answer

DNA sequencing suggests that among the green algae, the __________ are most closely related to land plants.

Correct AnswerverifiedShow Answer

Amoebic dysentery is transmitted by (through)

Correct AnswerverifiedD

Which protistan structure is not correctly matched with its function?

Correct AnswerverifiedShow Answer

Which of the following protozoans is mismatched with the disease that it causes?

Correct AnswerverifiedShow Answer

The reason biologists believe that green algae and land plants, both members of the supergroup Archaeplastida, are related is because both of them possess chlorophyll a & b as well as cell walls made of starch.

Correct AnswerverifiedShow Answer

Which definition would best describe the feeding mechanism of Euglena?

Correct AnswerverifiedShow Answer

The most widely accepted formal classification of protists assigns them to

Correct AnswerverifiedShow Answer

Imagine you are working for the Florida Public Health Department and you have been assigned the task of preventing malaria from spreading throughout the southern Everglades. Which of the following scenarios would have the greatest chance of success?

Correct AnswerverifiedShow Answer

Explain the features necessary for both Brown algae and Dinoflagellates to be classified in the supergroup Chromalveolata.

Correct AnswerverifiedBrown algae will have chlorophyll a and ...View AnswerShow Answer

Correct AnswerverifiedThe malarial parasite has two hosts, both the mosquito and humans. In humans, the parasite spends most of its time inside liver and red blood cells, hiding from the immune system. Some species may remain dormant in liver cells for extended periods of time.

The members of the Supergroup Archaeplastida that have cell walls impregnated with calcium carbonate and help build coral reefs are the _________.

Correct AnswerverifiedE

Which of the following pairs of Protists would be most closely related due to both of them possessing plastids?

Correct AnswerverifiedShow Answer

A distinctive form of this pictured organism is found in each geologic period. Which statement(s) about this organism is/are true? 8-26-2013

Correct AnswerverifiedShow Answer

The various forms of algae (Archaeplastids) are NOT considered plants because they

Correct AnswerverifiedShow Answer

It is believed that eukaryotes evolved their mitochondria from a symbiotic relationship with a free-living aerobic bacteria.

Correct AnswerverifiedShow Answer

This name of the filamentous algae pictured here, belongs in the supergroup Archaeplastida, is _______.

Correct AnswerverifiedShow Answer

The 1840s Irish potato famine was caused by a water mold parasite on potatoes.

Correct AnswerverifiedShow Answer

In Plasmodium, sexual reproduction occurs in the _, while asexual reproduction occurs in .

Correct Answer
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D

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified

Correct Answer
verified
Brown algae will have chlorophyll a and ...
View Answer

Correct Answer
verified
The malarial parasite has two hosts, both the mosquito and humans. In humans, the parasite spends most of its time inside liver and red blood cells, hiding from the immune system. Some species may remain dormant in liver cells for extended periods of time.

Correct Answer
verified
E

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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