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Honors Bio Butler Exam | Verified Q&A’S | Latest Update
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Honors Bio Butler Exam | Verified Q&A’S | Latest Update
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Honors Bio Butler Exam | Verified Q&A’S |Latest Update
in the food chain consisting of sun > phytoplankton > zooplankton > fish > sharks > fisherman,
the fish are - ✔✔secondary consumers
in a certain ecosystem, field mice are preyed on by snakes and hawks. The entry of wild dogs
into the system adds another predator of the mice. Of the following, the most likely short term
result of this addition is
a. an increase in snake population
b. a tendency for hawks to prey on the dogs
c. extinction of the hawks
d. a reduction in numbers of mice - ✔✔d. a reduction in numbers of mice
which of the following regarding food webs is true
a. a consumer may eat only one type of producer
b. decomposers consume dead organic matter from a specific trophic level
c. several species of primary consumers may feed on the same species of producer
d. a hawk at the top of the food web is only a quaternary producer - ✔✔c. several species of
primary consumers may feed on the same species of producer
the cycle of _________ into ecosystems improves effeciency, while _______ is a flow that is
eventually released to the environment - ✔✔chemicals; energy
Carbon mainly cycles between the biotic and abiotic worlds through the processes of -
✔✔cellular respiration and photosynthesis
which of the following represents a step in the nitrogen cycle?
, a. atmospheric nitrogen is converted to nitrates
b. nitrogen-fixing bacteria convert atmospheric nitrogen to ammonium
c. nitrates binding to soil products
d. ammonium is converted to atmospheric nitrogen - ✔✔b. nitrogen-fixing bacteria convert
atmospheric nitrogen to ammonium
Denitrifying bacteria convert _____ to _____. - ✔✔nitrates to nitrogen gas
which type of organism turns ammonium into nitrate - ✔✔bacteria
what are the four needs of all organism - ✔✔shelter, food, water, habitat
clumped dispersion - ✔✔The most common pattern of dispersion; individuals aggregated in
patches.
uniform dispersion - ✔✔The pattern in which individuals are equally spaced throughout a
habitat.
what determines if a population's density will change - ✔✔(birth + immigration) - (death +
emigration)
logistic curve - ✔✔S-shaped curve
survivorship curve - ✔✔Graph showing the number of survivors in different age groups for a
particular species.
density dependent factors - ✔✔limiting factor that depends on population size
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