Exam 2 Bio 171 Quiz questions review Questions and Answers 100% Correct
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Course
NUR BIOD 171
Institution
NUR BIOD 171
Exam 2 Bio 171 Quiz questions review Questions and Answers 100% Correct
If a defensive compound is always present in an organism, then it MUST be a constitutive defense.
FALSE
Which are characteristics of hexapods that are NOT common to all arthropods? Choose all correct answers.
ecdysi...
Exam 2 Bio 171 Quiz questions review
Questions and Answers 100% Correct
If a defensive compound is always present in an organism, then it MUST be a
constitutive defense. - answer FALSE
Which are characteristics of hexapods that are NOT common to all arthropods? Choose
all correct answers.
ecdysis
jointed legs
exoskeleton
3 main body parts
6 legs - answer hexapods SD traits
-3 main body parts
-6 legs
anthropoids
-jointed legs
-ecdysis
-exoskeleton
Monarch butterfly caterpillars are herbivores of common milkweed. Milkweed produces
a sticky latex sap and a toxin in its leaves. How is the interaction between the
caterpillars and milkweed characterized? - answer- for milkweed ... eaten
+ for butterfly ... new defense
Eukaryotic cells with chloroplasts arose from an ancient symbiosis between: -
answerheterotrophic eukaryotes and cyanobacteria
angiosperms or gymnosperms...cant be both - answer
Escherichia coli bacteria in your colon are best categorized as ____________. -
answerchemohetertrophs
Carbon source: organic C source (sugars, proteins, lipids, nucleic acids)Energy Source:
inorganic or organic molecules
Which of the following is the best description of algae? - answera photosynthetic protist
Which of the following could initiate a trophic cascade in a terrestrial community? -
answerIntroduction of a tertiary consumer to a community that previously just had
primary and secondary consumers
, Heat energy that comes from organisms in the top trophic level is released to the
atmosphere and eventually goes out to space - answerTRUE
The phytoplankton in a food web include cyanobacteria as well as unicellular and
multicellular green and brown algae, all of which are photosynthetic.
True or false? Ancestors of all the phytoplankton species in this food web underwent
endosymbiosis, which resulted in chloroplasts inside these organisms' cells. -
answerFALSE
Which of the following is considered a carbon reservoir? - answerRedwood National
Park
the Atlantic Ocean
the Great Barrier Reef
all the organisms on Earth
true or false: Net primary production (NPP) is always greater than the amount of
production lost due to cellular respiration - answerFALSE
true or false: Gross primary production (GPP) is always greater than net primary
production (NPP) - answerTRUE
What would happen in an ecosystem if decomposer populations went extinct? -
answerThere would be more nitrogen in organic forms than in inorganic forms
GPP and NPP would both decrease
Which of the following are NOT geological processes that drive the long-term carbon
cycle?
subduction
volcanism
plate tectonics
chemical weathering
photosynthesis and respiration - answerphotosynthesis and respiration
An abundance of nitrogen (N) and phosphorus (P) in an aquatic environment leads to
__________ levels of dissolved oxygen due to __________. - answerlow
high rates of cellular respiration by decomposer populations
pool measured in?
flux measured in? - answerPools are measured in units of mass
fluxes are measured in units of mass per time
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