Question 1

Exponential growth

Accepted Answer

A)   has three phases.
B)   results in accelerating growth.
C)   produces an S-shaped growth curve.
D)   requires limited resources.
E)   declines over time.F) C) and D)
G) B) and D)

Question 2

Which of the following represents a type I survivorship curve?

Accepted Answer

A)   Spiders produce egg sacs with thousands of offspring, but only a few survive to adulthood.
B)   Each spring an oak tree drops thousands of seeds, but only a few will ever reach sexual maturity.
C)   Daphnia are planktonic crustaceans that produce offspring every three weeks. One Daphnia produces eight young and after 1.5 weeks, four of these individuals are still alive.
D)   Bald eagles return to the same mates and nests each year. They typically have two to three eggs and with parental care provided by both parents, the survival rate of the chicks is high.
E)   As adults, female leatherback sea turtles return to the beaches where they hatched to lay their own brood.F) A) and B)
G) A) and E)

Question 3

Which of the following represents replacement reproduction?

Accepted Answer

A)   A couple has only one child.
B)   A couple has no children but each has two siblings.
C)   Each couple has only two children.
D)   A government policy limits the number of children per family.
E)   A couple has four children.F) A) and B)
G) C) and D)

Question 4

During a recent hurricane, 25 individuals of the same butterfly species were blown onto a barrier island in southern Florida. After several years, the population stabilized with approximately 150 individuals. The butterflies and the flowers that they require for food would be considered an example of an)

Accepted Answer

A)   organism.
B)   population.
C)   community.
D)   ecosystem.
E)   biosphere.F) A) and B)
G) B) and E)

Question 5

Jacob is studying a population of wrens in Michigan. Over several years, he notices that the population always stabilizes at around 45 individuals. Forty-five individuals is

Accepted Answer

A)   the density.
B)   the growth rate.
C)   a density-dependent factor.
D)   a density-independent factor.
E)   the carrying capacity.F) None of the above
G) A) and E)

Question 6

All of the following are true about human population growth except

Accepted Answer

A)   the majority of the world's human population live in Asia.
B)   the Black Plague resulted in a decreased growth rate in the 1300s.
C)   changes during the Industrial Revolution led to a steep rise in the human population.
D)   we will reach the Earth's carrying capacity within the next 20 years.
E)   human population densities tend to be highest along the coasts.F) A) and D)
G) A) and C)

Question 7

If a population of 200 squirrels has a 10 percent growth rate each year, how many individuals will be born in the next year?

Accepted Answer

A)   2
B)   10
C)   20
D)   100
E)   200F) All of the above
G) B) and E)

Question 8

Above is a life history table for a minnow small fish) . Based on this table, what type of survivorship curve do these animals have?

Accepted Answer

A)   type I
B)   type II
C)   type III
D)   type IV
E)   type VF) A) and C)
G) None of the above

Question 9

See Figure 30.4. Many countries in Europe have negative growth because of very low birthrates.
Blooms Level: 1. Remember
Learning Outcome: 30.02.02 Distinguish between more-developed countries MDCs)  and less-developed countries LDCs)  with regard to population
growth.
Section: 30.02
Topic: Human Population Growth
-Which of the following is true about the current state of human population growth?

Accepted Answer

A)   The 21st century has seen the highest global human population growth.
B)   Human populations tend to be evenly distributed.
C)   After the Industrial Revolution, population growth increased.
D)   The current global death rate exceeds the current global birthrate.
E)   The doubling time for the human population is increasing.F) A) and B)
G) A) and C)

Question 10

Which of the following is not characteristic of opportunistic populations?

Accepted Answer

A)   short life span
B)   short time to reach sexual maturity
C)   production of many offspring
D)   little or no parental care
E)   logistic growthF) C) and D)
G) All of the above

Question 11

Jacob is studying a population of wrens in Michigan. Over several years, he notices that the population always stabilizes at around 45 individuals. What is the reason for this?

Accepted Answer

A)   population is at maximum density
B)   death rate is higher than birthrate
C)   exponential growth
D)   limited resources to support additional birds
E)   slow lag phaseF) A) and E)
G) A) and B)

Question 12

Organisms are more likely to face extinction if they have which of the following characteristics?

Accepted Answer

A)   restricted geographic ranges
B)   broad habitat tolerance
C)   large local populations
D)   extensive geographic ranges
E)   high biotic potentialF) A) and E)
G) All of the above

Question 13

During a recent hurricane, 25 individuals of the same butterfly species were blown onto a barrier island in southern Florida. When the butterflies first arrived on the island, they did not have to compete for access to food or space. In addition, there were few natural predators such as wasps and birds which were common on the mainland. As a result, the island population will have a _____ biotic potential compared to the mainland population.

Accepted Answer

A)   higher
B)   lower
C)   similar
D)   reduced
E)   stableF) C) and E)
G) B) and D)

Question 14

Equilibrium populations tend to exhibit a type III survivorship curve.

Accepted Answer

A)   True, because individuals tend to have fewer offspring and provide extensive parental care.
B)   False, because individuals tend to have lots of offspring with no parental care.
C)   True, because all individuals in the equilibrium populations are large and live for a long period of time.
D)   True, because there are high rates of mortality early in life.
E)   False, because equilibrium populations tend to have low mortality rates early in life.F) A) and E)
G) A) and D)

Question 15

Which field of biology studies all aspects of biodiversity?

Accepted Answer

A)   conservation biology
B)   histology
C)   geology
D)   entomology
E)   environmental scienceF) All of the above
G) C) and E)

Question 16

Which of the following is true about the majority of less-developed countries LDCs) ?

Accepted Answer

A)   They consume the most fossil fuels.
B)   They support the highest populations.
C)   They produce the most hazardous wastes.
D)   They have the largest environmental impact.
E)   They exhibit the highest per capita resource consumption.F) A) and B)
G) All of the above

Question 17

When a population reaches the stable equilibrium phase, this is considered

Accepted Answer

A)   the carrying capacity of the environment.
B)   logarithmic growth.
C)   exponential growth.
D)   the minimum number of individuals that the environment can sustain.
E)   the slow growth stage.F) D) and E)
G) None of the above

Exam 30: Ecology of Populations

Jacob is studying a population of wrens in Michigan. Over several years, he notices that the population always stabilizes at around 45 individuals. Forty-five individuals is

Correct Answer
verified

When a population reaches the stable equilibrium phase, this is considered

Correct Answer
verified

All of the following are true about human population growth except

Correct Answer
verified

Above is a life history table for a minnow small fish) . Based on this table, what type of survivorship curve do these animals have?

Correct Answer
verified

Which of the following represents replacement reproduction?

Correct Answer
verified

Which of the following is true about the majority of less-developed countries LDCs) ?

Correct Answer
verified

Correct Answer
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Which of the following represents a type I survivorship curve?

Correct Answer
verified

Jacob is studying a population of wrens in Michigan. Over several years, he notices that the population always stabilizes at around 45 individuals. What is the reason for this?

Correct Answer
verified

Which of the following is not characteristic of opportunistic populations?

Correct Answer
verified

If a population of 200 squirrels has a 10 percent growth rate each year, how many individuals will be born in the next year?

Correct Answer
verified

Organisms are more likely to face extinction if they have which of the following characteristics?

Correct Answer
verified

Correct Answer
verified

Exponential growth

Correct Answer
verified

Which field of biology studies all aspects of biodiversity?

Correct Answer
verified

Equilibrium populations tend to exhibit a type III survivorship curve.

Correct Answer
verified

Correct Answer
verified

Exam 30: Ecology of Populations

Jacob is studying a population of wrens in Michigan. Over several years, he notices that the population always stabilizes at around 45 individuals. Forty-five individuals is

Correct AnswerverifiedShow Answer

When a population reaches the stable equilibrium phase, this is considered

Correct AnswerverifiedShow Answer

All of the following are true about human population growth except

Correct AnswerverifiedShow Answer

Above is a life history table for a minnow small fish) . Based on this table, what type of survivorship curve do these animals have?

Correct AnswerverifiedShow Answer

Which of the following represents replacement reproduction?

Correct AnswerverifiedShow Answer

Which of the following is true about the majority of less-developed countries LDCs) ?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which of the following represents a type I survivorship curve?

Correct AnswerverifiedShow Answer

Jacob is studying a population of wrens in Michigan. Over several years, he notices that the population always stabilizes at around 45 individuals. What is the reason for this?

Correct AnswerverifiedShow Answer

Which of the following is not characteristic of opportunistic populations?

Correct AnswerverifiedShow Answer

If a population of 200 squirrels has a 10 percent growth rate each year, how many individuals will be born in the next year?

Correct AnswerverifiedShow Answer

Organisms are more likely to face extinction if they have which of the following characteristics?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Exponential growth

Correct AnswerverifiedShow Answer

Which field of biology studies all aspects of biodiversity?

Correct AnswerverifiedShow Answer

Equilibrium populations tend to exhibit a type III survivorship curve.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

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