Question 1

Life history adaptations of ____ selected populations are characterized by an early age of first reproduction and short maturation time and life span.

Accepted Answer

A)  r-
B)  K-C) A) and B)
D) undefined

Question 2

Which one of the following is not a physical environmental factor that determines where an organism can live?

Accepted Answer

A)  temperature
B)  water
C)  insolation (sunlight) 
D)  soil type
E)  intraspecific competitionF) C) and D)
G) D) and E)

Question 3

The statistical study of populations including sex ratio,age structure,and predicting growth rates is called __________.

Accepted Answer

A)  ethology
B)  demography
C)  population genetics
D)  biometricsE) B) and D)
F) A) and B)

Question 4

Density-independent factors do not include

Accepted Answer

A)  weather.
B)  earthquakes.
C)  intraspecific competition.
D)  volcanism.
E)  introduction of non-native species.F) B) and C)
G) A) and E)

Question 5

Species that have a delayed reproductive stage,are competing for limited resources,and have smaller numbers of slowly maturing large offspring show ______ selected adaptations.

Accepted Answer

A)  K-
B)  r-C) A) and B)
D) undefined

Question 6

A group of population members all of the same age is called a _________.

Accepted Answer

A)  deme
B)  species
C)  cohort
D)  tribeE) A) and B)
F) A) and C)

Question 7

Organisms such as lizards that need to maintain body temperature through external means do so by

Accepted Answer

A)  shivering to produce heat.
B)  sunbathing.
C)  swimming in geothermal pools.
D)  running frequently to warm up.
E)  eating large meals to provide calories for heat production.F) D) and E)
G) C) and D)

Question 8

A group of individuals of a single species living together is a

Accepted Answer

A)  deme.
B)  phenotype.
C)  genome.
D)  biotic community.
E)  population.F) C) and D)
G) A) and D)

Question 9

Allen's rule states that mammals from colder climates have shorter ears and appendages than individuals of the same species from warmer areas.The related Bergman's rule states that mammal body size varies with latitude,with larger body size in populations located closer to the poles and smaller body size in populations located closer to the equator.Both Allen's and Bergman's rule has to do with the fact that

Accepted Answer

A)  larger bodies can store proportionally more fat as insulation than smaller bodies.
B)  smaller bodies can store proportionally more fat as insulation than larger bodies.
C)  larger bodies have a proportionally smaller surface area,and heat radiation varies with surface area.
D)  larger bodies have a proportionally smaller surface area,and heat radiation varies with volume.
E)  smaller bodies have a proportionally smaller surface area,and heat radiation varies with surface area.F) A) and C)
G) A) and B)

Question 10

The number of individuals of a species that can be supported indefinitely in a particular place is called its

Accepted Answer

A)  niche.
B)  biotic potential.
C)  carrying capacity.
D)  maximum size.
E)  habitat usagE.F) A) and B)
G) All of the above

Question 11

At what point in a population will zero population growth occur?

Accepted Answer

A)  when N equals K
B)  when N is less than K
C)  when dN/dt equals zero
D)  when r equals zero
E)  when N equals zeroF) A) and B)
G) A) and D)

Question 12

Select the feature that is not an important characteristic of a population.

Accepted Answer

A)  a population's geographic distribution
B)  dispersion of individuals within the population
C)  the life history of the population
D)  the demography of the population
E)  if and how the population interacts with a metapopulationF) None of the above
G) A) and C)

Question 13

Which one of the following expressions from the logistic equation (dN/dt = rN ((K - N) /K) represents the proportion of unused resources remaining for use by the population?

Accepted Answer

A)  the carrying capacity (K) 
B)  the population size (N) 
C)  the biotic potential (rN) 
D)  (K - N) /K
E)  the growth rate (dN/dt) F) C) and D)
G) A) and C)

Question 14

Populations have three basic types of dispersal patterns-clumped,random,and uniform.One can observe random distributions because

Accepted Answer

A)  individuals of the populations do not interact strongly with one another.
B)  individuals of the population are usually in competition for resources.
C)  individuals of the population are reacting to uneven distribution of resources.
D)  individuals of the population with random distribution display social interactions.E) B) and C)
F) All of the above

Question 15

A __________ would probably have a Type III life history.

Accepted Answer

A)  whale
B)  coconut palm
C)  lion
D)  gorilla
E)  pine treeF) C) and E)
G) A) and B)

Question 16

Demographic studies include all of the following except

Accepted Answer

A)  age structure.
B)  growth rates.
C)  mortality and survivorship curves.
D)  sex ratio.
E)  measurements of interspecific competition.F) C) and D)
G) A) and D)

Question 17

Organisms with a Type III life history are probably

Accepted Answer

A)  K-selected.
B)  r-selected.
C)  idiopathiC.
D)  at their carrying capacity.
E)  subject to low predation rates.F) A) and C)
G) B) and E)

Question 18

Which one of the following factors that affects population growth is not a direct part of the logistic growth equation?

Accepted Answer

A)  intraspecific competition
B)  interspecific competition
C)  floods and droughts
D)  predation
E)  diseaseF) B) and E)
G) A) and E)

Question 19

Populations of endotherms that live in colder climates tend to have shorter ears and limbs than populations of the same species in warm climates.This is called ____________ Rule.

Accepted Answer

A)  Allen's
B)  the K-Selected
C)  the r-Selected
D)  Edward'sE) B) and C)
F) A) and C)

Question 20

All of the following apply to the demography of human populations today except

Accepted Answer

A)  we use almost half of the Earth's land.
B)  we use over half of all renewable fresh water sources.
C)  we are unevenly distributed and the difference is increasing.
D)  we are using distributed resources unevenly-less than 20% of us use over 80% of the energy.
E)  our ecological footprint is decreasing.F) A) and E)
G) A) and D)

Exam 56: Population Ecology

Demographic studies include all of the following except

Correct Answer
verified

A group of population members all of the same age is called a _________.

Correct Answer
verified

Life history adaptations of ____ selected populations are characterized by an early age of first reproduction and short maturation time and life span.

Correct Answer
verified

The number of individuals of a species that can be supported indefinitely in a particular place is called its

Correct Answer
verified

A __________ would probably have a Type III life history.

Correct Answer
verified

Species that have a delayed reproductive stage,are competing for limited resources,and have smaller numbers of slowly maturing large offspring show ______ selected adaptations.

Correct Answer
verified

Correct Answer
verified

Organisms with a Type III life history are probably

Correct Answer
verified

Select the feature that is not an important characteristic of a population.

Correct Answer
verified

Which one of the following factors that affects population growth is not a direct part of the logistic growth equation?

Correct Answer
verified

At what point in a population will zero population growth occur?

Correct Answer
verified

A group of individuals of a single species living together is a

Correct Answer
verified

Populations of endotherms that live in colder climates tend to have shorter ears and limbs than populations of the same species in warm climates.This is called ____________ Rule.

Correct Answer
verified

Which one of the following expressions from the logistic equation (dN/dt = rN ((K - N) /K) represents the proportion of unused resources remaining for use by the population?

Correct Answer
verified

All of the following apply to the demography of human populations today except

Correct Answer
verified

Density-independent factors do not include

Correct Answer
verified

Organisms such as lizards that need to maintain body temperature through external means do so by

Correct Answer
verified

Which one of the following is not a physical environmental factor that determines where an organism can live?

Correct Answer
verified

Populations have three basic types of dispersal patterns-clumped,random,and uniform.One can observe random distributions because

Correct Answer
verified

The statistical study of populations including sex ratio,age structure,and predicting growth rates is called __________.

Correct Answer
verified

Exam 56: Population Ecology

Demographic studies include all of the following except

Correct AnswerverifiedShow Answer

A group of population members all of the same age is called a _________.

Correct AnswerverifiedShow Answer

Life history adaptations of ____ selected populations are characterized by an early age of first reproduction and short maturation time and life span.

Correct AnswerverifiedShow Answer

The number of individuals of a species that can be supported indefinitely in a particular place is called its

Correct AnswerverifiedShow Answer

A __________ would probably have a Type III life history.

Correct AnswerverifiedShow Answer

Species that have a delayed reproductive stage,are competing for limited resources,and have smaller numbers of slowly maturing large offspring show ______ selected adaptations.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Organisms with a Type III life history are probably

Correct AnswerverifiedShow Answer

Select the feature that is not an important characteristic of a population.

Correct AnswerverifiedShow Answer

Which one of the following factors that affects population growth is not a direct part of the logistic growth equation?

Correct AnswerverifiedShow Answer

At what point in a population will zero population growth occur?

Correct AnswerverifiedShow Answer

A group of individuals of a single species living together is a

Correct AnswerverifiedShow Answer

Populations of endotherms that live in colder climates tend to have shorter ears and limbs than populations of the same species in warm climates.This is called ____________ Rule.

Correct AnswerverifiedShow Answer

Which one of the following expressions from the logistic equation (dN/dt = rN ((K - N) /K) represents the proportion of unused resources remaining for use by the population?

Correct AnswerverifiedShow Answer

All of the following apply to the demography of human populations today except

Correct AnswerverifiedShow Answer

Density-independent factors do not include

Correct AnswerverifiedShow Answer

Organisms such as lizards that need to maintain body temperature through external means do so by

Correct AnswerverifiedShow Answer

Which one of the following is not a physical environmental factor that determines where an organism can live?

Correct AnswerverifiedShow Answer

Populations have three basic types of dispersal patterns-clumped,random,and uniform.One can observe random distributions because

Correct AnswerverifiedShow Answer

The statistical study of populations including sex ratio,age structure,and predicting growth rates is called __________.

Correct AnswerverifiedShow Answer

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