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Biology: Review Of Populations
Test Description: Review for the chapter 19 biology test on populations
Instructions: Answer all questions to get your test result.
1) Which of the following is a density-independent regulatory factor?
A
water
B
shelter
C
food
D
severe weather
2) Population ____________ is solved by the equation: number of individuals divided by the unit of area
A
size
B
growth rate
C
density
D
dispersion
3) All of the following are problems arising from inbreeding except
A
increased chance of homozygous recessive alleles for disease occurring.
B
reduction of a population’s genetic diversity.
C
reduction of a population’s ability to adapt to environmental changes.
D
increased genetic diversity within a population.
4) Human population growth is currently most rapid in
A
European countries.
B
developing countries.
C
developed countries.
D
North American countries.
5) 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 III
B
Type I
C
Type II
D
Type IV
6) Which of the following is not a type of population dispersion?
A
Random
B
Uniform
C
Clumped
D
Mixed
7) 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
american revolution
B
agricultural revolution
C
industrial revolution
D
civil revolution
8) In ________ countries, there are high standards of living, longer life expectancies and low growth rates.
A
developed
B
third-world
C
under-developed
D
developing
9) Which of the following would cause a population’s size to decrease?
A
high birth rate
B
high availability of food
C
high immigration rate
D
high emigration rate
10) The logistic model shows
A
how populations grow when immigration is limited
B
how people move into and out of countries throughout history
C
exponential growth until the carrying capacity is reached
D
how organisms live in an area
11) 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
clumped
C
random
D
mixed
12) Which of the following scenarios would lead to a population decline?
A
higher death rate than birth rate
B
lower emigration rate than immigration rate
C
equal amounts of immigration and emigration
D
higher birth rate than death rate
13) 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
clumped dispersion
B
random dispersion
C
uniform dispersion
D
mixed dispersion
14) Which type of survivorship curve shows a low mortality rate in the early years but a high mortality rate near old age?
A
Type II
B
Type III
C
Type IV
D
Type I
15) In what year was the human population explosion?
A
365 years ago
B
10,000 years ago
C
12,000 years ago
D
500,000 years ago
*select an answer for all questions
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