chapter 20 review game
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Chapter 20 Review Game
Test tomorrow!
Closure Cards due tomorrow!
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Because individuals in a population usually tend to produce more than one offspring…
A: populations tend to increase in sizeB: populations remain stable in sizeC: individuals tend to die quicklyD: number of individuals declines
rapidly
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Refer to the illustration above. Which of the following contributed to the change in world population during the 1900s shown in the graph?
A: better sanitation
B: improved health care
C: agricultural improvements
D: all of the above
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Fire is a density-dependent factor.
false
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A population of organisms grows
A: with no natural restrictions except the availability of food.
B: when the birth rate exceeds the death rate.
C: only in the absence of predators or natural diseases.
D: All of the above
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Refer to the illustration below. Which letter in the graph indicates the approximate world population in the year 1950?
A: A
B: B
C: C
D: D
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Which of the following does not represent a population?
a. all the robins in Austin, Texasb. all the grass frogs in the pond of
Central Park, New York Cityc. all the birds in Chicago, Illinoisd. all the earthworms in Yosemite
National Park
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Owl pellets are owl poop.
false
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Which population might be least likely to be devastated by a disease outbreak?
a. a small population who are all offspring of healthy, related parents
b. a large, genetically-diverse population
c. a small, genetically-uniform population
d. a few strong, healthy individuals
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A country with a large number of middle-aged people will grow quickly.
false
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According to the picture above, what type of dispersion is A?
A. random B. even C. clumped D. attached
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Which of the following is a density-independent factor?
A. foodB. temperatureC. waterD. number of nesting sites
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Clumped population distributions result from organisms seeking clumped resources.true
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Refer to the illustration below. According to the graph,
A. there were no humans on Earth around 6000 BC.
B. the human population has never decreased in size.
C. increase in the food supply was responsible for the increase in the population.
D. the human population is currently rising dramatically.
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Refer to the illustration below. The American Revolution began in 1776. According to the graph, what was the approximate world population at that time?
A: 500 thousand
B: 1 million
C: 1 billion
D: 2 billion
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According to the graph below, what is the carrying capacity of the rabbits?
A. 45 B. 50 C. 70 D. 65
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As a population reaches its carrying capacity, there is an increase in competition forA. food.B. mates.C. shelter.D. All of the above
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According to the graph below, in what month were the rabbits experiencing exponential growth? (Hint: Growing very fast.)
A. May B. June C. August D. September
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The agricultural revolution enabled Earth’s human population to increase dramatically because it A. allowed people to live in one place instead of
moving from place to place in search of food. B. stabilized and increased available food
supplies. C. resulted in people being healthier and
therefore better able to resist diseases. D. provided plenty of work for most of Earth’s
population.
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According to the graph above, what animals would correspond with curve Z?
A. elephants B. insects C. birds D. humans
X
Y
Z
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Human population growth is most rapid in
A. Europe.B. Japan.C. the United States.D. developing countries.
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Look at the graph below. What type of graph is this?
A. exponential B. j-shaped C. carrying
capacity D. logistic
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Trees growing along the banks of a river but not growing in the surrounding area would best be described as a ____ dispersion of the trees.A. clumpedB. evenC. randomD. mixture of clumped, even, and random
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Which of these items is NOT found in an owl pellet?
A. teethB. hairC. skullD. organs
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According to the graph above, which curve is considered at Type III survivorship curve?
A. X B. Y C. Z D. none of the
above
X
Y
Z
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Refer to the illustration below. During which time period are the birth rate and death rate equal?
A. period “A” B. period “B” C. period “C” D. period “D”
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What's the difference between r-selected organisms and k-selected organisms?
A. r-selected organisms care for their children
B. k-selected organisms have many children
C. r-selected organisms usually only have one or two children
D. k-selected organisms care for their children
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Refer to the illustration above. According to the graph, the human population
A. remained essentially unchanged for thousands of years.
B. doubled in size from 2000 BC to 1000 BC.
C. reached 1 billion in 1492.
D. will stop growing in the year 2000.
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Why is inbreeding bad?
A. It’s illegal in the United States.B. It increases the populations too much.C. The offspring can have genetic
diseases.D. It creates a larger gene pool.
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When a population begins inbreeding, what types of things will happen?
A. less diversity
B. smaller population size
C. more diseases
D. all of the above
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Refer to the illustration below. During which time period does the birth rate exceed the death rate?
A. period “A” B. period “B” C. period “C” D. period “D”
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According to the graphs below, which country is most likely to grow quickly?
A. United States B. Germany C. Nigeria D. All of the above
U.S GermanyNigeria
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Refer to the illustration below. During which time period does the death rate exceed the birth rate?
A. period “A” B. period “B” C. period “C” D. period “D”
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Very small populations are less likely to become extinct than larger populations.
false
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Which of these is a density-dependent factor?
A. fireB. floodC. illnessD. none of these
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The population of every country is steadily increasing.
false
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According to the graphs above, which country is more likely to have a decline in growth?
A. United States B. Germany C. Nigeria D. All of the above
U.S GermanyNigeria
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According to the graph above, what animals would correspond with curve Y?
A. humans B. fish C. birds D. bacteria
X
Y
Z
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The population of Earth has not changed very much over the last 350 years.
False
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Owls eat rodents.
true