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How do humans use red algae polysaccharides?


A) Thickeners
B) Herbicides
C) Adhesives
D) Detergents

E) A) and C)
F) B) and C)

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Oomycetes are characterized by all of the following except they


A) produce zoospores asexually.
B) are able to reproduce sexually.
C) contain motile spores.
D) contain two unequal flagella.
E) are considered fungi.

F) C) and D)
G) B) and E)

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Amoebas move from place to place by means of their


A) cysts.
B) pseudopods.
C) pseudomonads.
D) sporocarps.
E) plasmodia.

F) B) and E)
G) None of the above

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The Irish potato famine in the 1840s was caused in large part by a proliferation of a(n)


A) Paramecia.
B) Oomycote.
C) Dinoflagellate.
D) Chlorophyte.
E) Fungus.

F) B) and D)
G) A) and E)

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Some photosynthetic euglenoids can also ingest dissolved or particulate food.Which one of the following terms would best describe such a protist?


A) autotrophic
B) heterotrophic
C) mixotrophic
D) osmotrophic
E) phagotrophic

F) A) and B)
G) B) and C)

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Which of the following is true about Euglena?


A) They belong to the same phylum as Paramecium.
B) They do not have flagella.
C) They have a pellicle.
D) They lack chloroplasts.
E) They have sexual reproduction.

F) A) and E)
G) A) and D)

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The plasmodial and cellular slime molds differ in a number of features.Select the following choice that is not a difference.


A) aggregation of individuals when conditions worsen
B) ability to form spore-producing structures
C) ability to form an acellular plasmodium
D) ability to form individual amoebas
E) synchronization of mitosis

F) C) and E)
G) B) and E)

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The marine multicellular protists including the larger brown algae belong to the


A) dinoflagellates.
B) Choanoflagellida.
C) Stramenopiles.
D) euglenoids.
E) foraminifera.

F) C) and D)
G) B) and D)

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Transferring Euglena into a dark environment results in the loss of photosynthetic pigment.What conclusion does this support?


A) Euglenoids are obligate photoautotrophs.
B) Light triggers heterotrophy.
C) Euglenoids are closely related to plants.
D) Euglenoids are neither plant-like or animal-like protists.

E) A) and B)
F) All of the above

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All ________ have two very different types of nuclei within their cells,small micronuclei and larger macronuclei.


A) sporozoans
B) protists
C) oomycetes
D) ciliates
E) dinoflagellates

F) A) and B)
G) All of the above

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The malarial parasite,Plasmodium,is a member of the group


A) Euglenozoa.
B) Stramenopiles.
C) Alveolata.
D) Rhodophyta.
E) Diplomonads.

F) B) and C)
G) A) and E)

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Some protists use multiple fission (cell division preceded by several nuclear divisions) as a means of reproduction.Multiple fission is also referred to as


A) budding.
B) zygotic meiosis.
C) schizogony.
D) syngamy.
E) intermediary meiosis.

F) C) and E)
G) A) and D)

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Which of the following is not one of the distinctive features of dinoflagellates?


A) They are unicellular.
B) They are photosynthetic.
C) Some exist in fresh water,while some are part of marine plankton.
D) They form large,spherical colonies.
E) Some planktonic members are luminous and cause flashes in the night.

F) A) and D)
G) A) and C)

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The unique double shells of diatoms are made of


A) cellulose.
B) silica.
C) chlorophylls.
D) agar.
E) proteins.

F) None of the above
G) C) and D)

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The parasite that is responsible for causing malaria is called


A) Paramecium.
B) Chlamydomonas.
C) Plasmodium.
D) Entamoeba.
E) Giardia.

F) B) and C)
G) A) and E)

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