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NR 435 Final Module Quizzes questions and answers 2025.
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NR 435 Final Module Quizzes questions and answers 2025.
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NR 435 Final Module Quizzesquestions and answers 2025
Based on our recent lecture discussion of values, is the following
statement TRUE or FALSE?
If a person believes that a particular species has an intrinsic right to exist
just because it exists, then that person clearly assigns ecological value to
the species. - answer false
The 'Chasing Rainbows' article suggested that the mountain yellow-legged
frog populations in Yosemite National Park were most likely declining due
to ________________________.
Read the options carefully, then choose the best answer. - answer a
successful introduced predator
Logistic growth is graphically represented by ______________________. - answer
an S-curve
True or False?
In 'Chasing Rainbows', you read about the exhaustive efforts of the U.S.
Forest Service, California Fish and Game, and local citizens to restore the
native rainbow trout populations that were eradicated from some
mountain lakes because they were outcompeted by an exotic species. -
answer false
Natural populations are dynamic---they increase, decrease, and otherwise
respond to changes in their biotic and abiotic environment.
Which of the following is most critical for distinguishing between natural
population fluctuations and the population declines that some species are
,experiencing in the world today? - answer a long-term study of
population data
Which of the following ARE examples of a population. - answer all of the
people in New Zealand; all of the cornflowers in France; all of the spotted
salamanders in New Hampshire
In lecture, we discussed the difference between 'species richness' and
'species evenness.' Based on our discussion in lecture, is the following
statement TRUE or FALSE?
Species richness is a particularly descriptive measure of community
composition (and the diversity of species in a given area) -- it tells us not
only the number of distinct species in the community, but also their
relative abundance. - answer false
In our recent lecture on Population Ecology, we discussed the 4 phases of
logistic growth (the S-shaped growth curve). I explained that the third
phase of a logistic growth curve, called the ________________, occurs as the
population is approaching _______________.
Select the appropriate pair of answers to best complete the sentence
above. - answer deceleration phase; carrying capacity
Recall the story from our recent lecture about the recovery of a snake that
was listed as Federally Threatened. Is the following statement TRUE or
FALSE?
The Lake Erie Water Snake and the Round Goby are both endemic to the
islands in the Western basin of Lake Erie. - answer false
If two species occupy the same __________________ in a community, then
according to the competitive exclusion principle, the species that more
efficiently exploits the shared resource(s) (in other words, the better
competitor) will eventually exclude the other species from the community.
, Select the best option (from the list below) to fill in the blank. - answer
niche
When we moved into our house (5 years ago), we inventoried the pond on
our property to understand which species belonged to our backyard
amphibian community.
After 5 years, we re-inventoried our backyard pond to see what our
current backyard amphibian community is like.
In 2012, there were 3 frog species and 2 salamander species in the
backyard amphibian community.
Last summer, in 2017, there were 4 frog species and 1 salamander species
in the backyard amphibian community.
The change we observed in the composition of our backyard amphibian
community is best described as _______________________. - answer species
turnover
True or False?: Both species in a symbiotic relationship must benefit in
some way from the interaction. - answer false
Recall the 'Chasing Rainbows' article that you read for Module 1 (and
reviewed for Module 2). Which of the following terms describes the
mountain yellow-legged frog in California and Nevada?
Select the best answer from the options below. - answer heterotroph
True or False?: Biogeochemical cycles are the pathways by which chemical
elements move through the biotic and abiotic components of the Earth
ecosystem. - answer true
Which of the 'CHNOPS' elements makes up > 70% of the atmosphere (the
air we breathe)? - answer nitrogen
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