Biology: Review Of Populations Question Preview (ID: 37283)
Review For The Chapter 19 Biology Test On Populations.
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Which of the following is a density-independent regulatory factor?
a) food
b) water
c) shelter
d) severe weather
Population ____________ is solved by the equation: number of individuals divided by the unit of area
a) density
b) dispersion
c) growth rate
d) size
All of the following are problems arising from inbreeding except
a) reduction of a population’s genetic diversity.
b) increased genetic diversity within a population.
c) increased chance of homozygous recessive alleles for disease occurring.
d) reduction of a population’s ability to adapt to environmental changes.
Human population growth is currently most rapid in
a) European countries.
b) developed countries.
c) North American countries.
d) developing countries.
Fish and turtles have many offspring because they have high mortality rates early in life. The few offspring that do survive then have low mortality rates until late in life. Fish and turtles are examples of which type of survivorship curve?
a) Type I
b) Type II
c) Type III
d) Type IV
Which of the following is not a type of population dispersion?
a) Uniform
b) Clumped
c) Mixed
d) Random
At 10,000 to 12,000 years ago, homo sapiens began to domesticate animals and cultivate plants for food. This change is called the
a) civil revolution
b) agricultural revolution
c) industrial revolution
d) american revolution
In ________ countries, there are high standards of living, longer life expectancies and low growth rates.
a) third-world
b) developing
c) developed
d) under-developed
Which of the following would cause a population’s size to decrease?
a) high birth rate
b) high immigration rate
c) high emigration rate
d) high availability of food
The logistic model shows
a) how organisms live in an area
b) exponential growth until the carrying capacity is reached
c) how people move into and out of countries throughout history
d) how populations grow when immigration is limited
Wolves tend to live together in small groups, called packs, to increase their chances of survival. Wolves are an example of which type of dispersion?
a) uniform
b) random
c) clumped
d) mixed
Which of the following scenarios would lead to a population decline?
a) higher birth rate than death rate
b) lower emigration rate than immigration rate
c) equal amounts of immigration and emigration
d) higher death rate than birth rate
Lions are extremely territorial animals. They will defend their territory from other lions by showing their canine teeth or roaring. Since lions claim their own territory, they live as far away from others as possible. Lions are an example of
a) uniform dispersion
b) mixed dispersion
c) random dispersion
d) clumped dispersion
Which type of survivorship curve shows a low mortality rate in the early years but a high mortality rate near old age?
a) Type I
b) Type II
c) Type III
d) Type IV
In what year was the human population explosion?
a) 500,000 years ago
b) 365 years ago
c) 10,000 years ago
d) 12,000 years ago
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