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Ecology Review-Open SciEd Flashcards | StudBud
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Ecology Review-Open SciEd
Ecology Review-Open SciEd
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Questions
23
Answers
1
Which of these are examples of abiotic factors?
temperature
all of the above
water
rocks
2
Which is an accurate description of the growth of a natural animal population?
It continues to grow indefinitely.
It never changes.
It is limited by environmental factors.
It is genetically determined.
3
Which will
decrease
a population?
Disease/death
no limiting factors
Extra food
Births
4
Study of the interaction of living organisms with each other and their physical environment is
ecology
health
geology
biology
5
Members of the same species found in an ecosystem are called a ________________.
ecosystem
population
community
organism
6
Type of symbiosis in which both organisms benefit
Predation
Parasitism
Commensalism
Mutualism
7
Increase in Earth’s avg temp due to the buildup of CO
2
& other gases in Earth's atmosphere is__
bioremediation
Climate change
exponential growth
ozone build-up
8
Type of symbiosis in which one organism benefits and the other is unharmed
Parasitism
Predation
Mutualism
Commensalism
9
Type of symbiosis in which one organism benefits and the other (aka: host) is harmed
Mutualism
Commensalism
Parasitism
Predation
10
The maximum number of individuals that the environment can support without being harmed
Carrying capacity (K)
Max capacity (M)
Niche (N)
Exponential growth (G)
11
Volcanoes, tsunamis, tornados, and hurricanes are all
density-independent limiting factors
all of these
biotic factors
density-dependent limiting factors
12
In an ecosystem, which is NOT a density-dependent limiting factor?
predation
competition
parasitism
natural disaster
13
This type of symbiotic relationship occurs when
both
species benefit from the relationship.
commensalism
parastisim
mutualism
symbiosis
14
What is the type of limiting factor that limits growth
regardless
of density? Example?
Density-Independent--Ex: Forest Fire
Density-Dependent--Ex. disease
Density-Independent--Ex: predation
Density-Dependent--volcano
15
What is the term for the variation among organisms living in an ecosystem?
population density
density-dependent
logistic growth
biodiversity
16
The behavior of two species attempting to use the same living space, food, and water source.
competitive
parastism
symbiotic
predatory
17
The type of population growth that grows quickly and follows this graph is ______.
exponential growth
logistic growh
fast growth
density-dependent
18
Which would INCREASE the carrying capacity for white-tailed deer in the NC forest ecosystem?
The re-introduction of the Eastern cougar into NC.
A re-introduction of a native tree that produces more seeds.
A large migration of the closely related mule deer, into NC.
Construction of new roads & increased traffic in the area.
19
By causing atmospheric changes through activities like polluting & deforestation, humans have
affected global stability in a positive way.
caused the destruction of habitats.
established equilibrium in ecosystems.
replaced nonrenewable resources.
20
Bacteria growing in a small cup of sweet liquid will experience which type of growth?
Competitive growth
Logistic growth
Exponential growth
symbiotic growth
21
_______describes an ecological relationship between members of at least two different species.
Food Web
Succession
Niche
Symbiosis
22
Which will
increase
a population?
no limiting factors
Disease/deaths
limiting factors
Predation
23
In this wetlands ecosystem, what
abiotic
factor could limit the population growth?
migratory bird populations
decreased dissolved O2 levels
number of predators
number of plant species
