populations review ky core content sc-hs-4.7.5 kimberly valerio
TRANSCRIPT
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Populations Review
KY Core Content SC-HS-4.7.5
Kimberly Valerio
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The number of individuals of a single species per unit area is known as
carry
ing capacit
y
logistic g
rowth
population density
population growth
rate
25% 25%25%25%
1. Carrying capacity2. Logistic growth3. Population density 4. Population growth
rate i
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The movement of individuals into an area is called
demography
carry
ing capacit
y
Immigration
Emigration
25% 25%25%25%
1. demography2. Carrying capacity3. Immigration 4. Emigration
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The graph below represents
1. Age structured growth
2. Logistic growth3. Limiting factors4. Exponential Growth
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The maximum number of organisms of a particular species that can be
supported by an environment is called
Logist
ic g
row
th
car
ryin
g cap
acity
Dia...
3.
exponen
tial g
row...
4.
popula
tion re
gulat
...
25% 25%25%25%1. Logistic growth 2. Carrying capacity3. Exponential growth4. Population
regulation capacity
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If a population grows larger than the carrying capacity of its environment,
the
death ra
te may ris
e
birthra
te m
ay rise
death ra
te may fa
ll
Immigr
ation rate m
ay i...
25% 25%25%25%1. Death rate may rise2. Birthrate may rise3. Death rate may fall4. Immigration rate
may increase
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Density-independent limiting factors include
predation
hurrica
nes
Competition
Parasiti
sm
25% 25%25%25%
1. Predation2. Hurricanes3. Competition4. Parasitism
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In logistic growth, what is used up to cause population growth to slow or
stop?
Resource
s
Biomolecules
Carrying Capacit
y
Wate
r only
25% 25%25%25%1. Resources2. Biomolecules3. Carrying capacity4. Water only
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A limiting factor that depends on population size is called a
density dependent
density in
dependent
predator-p
rey
parasiti
c relationsh
ip
25% 25%25%25%1. Density-dependent
limited factor2. Density-independent
limiting factor3. Predator-prey
relationship4. Parasitic relationship
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Which of the following describes a condition in which logistic growth
would occur
1 2
25% 25%25%25%1. Bacteria grows at a constant rate
2. New Immigration laws in the 1920s slowed immigration in the U.S.A
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Which of the following is a long term effect of competition of two species competing for the same resources?
1 2
25% 25%25%25%
1. Rise of prey would be followed by rise in predators. As predators rise, prey declines. Since there are less prey, predators will decline
2. Rise of prey would be followed by rise in predators. Prey will reproduce more rapidly to balance out the reduction of organisms eaten by the predators. The prey will eventually overpower the predators, resulting in more prey
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How can you account for the fact that human population has grown more
rapidly the last 500 years?1. The development of agriculture
and industry made life easier thus making food supply more reliable
2. Improved sanitation, medicine and healthcare
3. Improved living conditions increased life expectancy
4. Birth control is not used enough
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Which of the following is a true statement about age structure of a
population?
Inte
rphas
e
Tel
ophas
e
Anap
hase
Pro
phase
25% 25%25%25%1. Populations with nearly equal numbers of people in each age group will have a fast growth rate
2. Populations with many more young children and many more teenagers than adults will grow at a faster rate
3. Populations with many young children and less older, will grow very slow
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Which of the following is true about the population of the U.S. in 2000?
1. There are more older males than females
2. There is a larger middle age group than any other
age group3. There are more females that are
teenagers