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Unit ( 9 10 Microbes)
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Which of the following is true of all algae
(plant-like protists)?
A.) eukaryotic
B.) unicellular
A.) correct answer
C.) heterotrophic
D.) multicellular
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A _____ is a nonliving particle that reproduces
inside a host cell.
A.) bacterium
B.) virus
B.) correct answer
C.) paramecium
D.) spore
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Thermophiles live in extremely hot temperatures
such as the boiling water spewing from
hydrothermal vents. These organisms are most
likely classified into which kingdom?
B.) correct answer
A.) protists
B.) archaebacteria
C.) fungi
D.) eubacteria
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Canis lupus and Canis rufus are both wolves in
the class Mammalia. They are members of the
genus _____.
A.) correct answer
A.) Canis
B.) Chordata
D.) Carnivora
C.) Animalia
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Fungi are considered Earths decomposers. All
fungi are _____.
A.) autotrophs
B.) unicellular
C.) heterotrophs
D.) prokaryotic
C.) correct answer
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A person with strep throat should ____ to speed
recovery.
A.) get a vaccine
B.) take antibiotics
B.) correct answer
C.) exercise
D.) avoid medicine
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What is the purpose of the cilia on a Paramecium?
A.) movement
B.) pumping water
C.) eating
D.) both A C
D.) correct answer
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Bacteria becoming resistant to an antibiotic is
an example of _____.
A.) correct answer
A.) natural selection
B.) vaccine failure
C.) speciation
D.) spontaneous generation
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Yeasts are unicellular fungi that are useful for
baking bread in the anaerobic process of ______.
A.) photosynthesis
B.) binary fission
C.) fermentation
D.) fragmentation
C.) correct answer
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Which of the following is the largest group of
organisms?
A.) genus
B.) phylum
C.) kingdom
D.) family
C.) correct answer
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Amoebas are animal-like protists called
protozoans. Which of the following is NOT true
about amoebas?
A.) pseudopods
B.) unicellular
D.) autotrophic
C.) heterotrophic
D.) correct answer
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Which of the following is an asexual reproductive
process that enables bacteria to quickly colonize
a new habitat?
A.) spores
B.) conjugation
D.) binary fission
C.) spontaneous generation
D) correct answer
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Plants are thought to have evolved from ____ over
550 million years ago.
B.) correct answer
A.) fungi
B.) green algae
C.) brown algae
D.) autotrophic bacteria
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Tetanus is a disease caused by a bacterium that
survives well in an environment that lacks
oxygen. This bacterium is considered a(n) _____.
A. obligate aerobe
B.) decomposer
C.) obligate anaerobe
C.) correct answer
D.) autotroph
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Which of the following convert atmospheric
nitrogen into nitrates in the soil in a process
called nitrogen fixation?
A.) bacteria
B.) plants
A.) correct answer
C.) unicellular fungi
D.) all microbes
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