Question 1

What measurement gives an overall idea of whether a population has increased or decreased in a generation?

Accepted Answer

A)  The summation of all offspring produced by the proportion of surviving individuals 
B)  Fecundity 
C)  The product of the proportion of surviving individuals and the proportion of those survivors that reproduce 
D)  The basic reproductive rate 
A)  The summation of all offspring produced by the proportion of surviving individuals 
B)  Fecundity 
C)  The product of the proportion of surviving individuals and the proportion of those survivors that reproduce 
D)  The basic reproductive rate D

Question 2

In Figure 5.9,how does probability of reproduction change as a function of leaf area?

Accepted Answer

A)  Probability of reproduction increases 
B)  Probability of reproduction decreases 
C)  There is no change in the probability 
D)  It cannot be ascertained without figuring in age 
A)  Probability of reproduction increases 
B)  Probability of reproduction decreases 
C)  There is no change in the probability 
D)  It cannot be ascertained without figuring in age A

Question 3

In Figure 5.5,from autumn to spring (March to October)what is the trend in nitrogen allocation to parts of the plant not directly involved with reproduction for this perennial plant from the Southern Hemisphere?

Accepted Answer

A)  The trend is negative as more nitrogen is being sent to parts associated with reproduction. 
B)  The trend is positive since the plant is investing in reserves for winter 
C)  The trend is flat. 
D)  The trend is negative as less and less nitrogen is being sent to parts associated with reproduction. 
A)  The trend is negative as more nitrogen is being sent to parts associated with reproduction. 
B)  The trend is positive since the plant is investing in reserves for winter 
C)  The trend is flat. 
D)  The trend is negative as less and less nitrogen is being sent to parts associated with reproduction. A

Question 4

The mass movement of elk across North America is an example of ________?

Accepted Answer

A)  Dispersal 
B)  Migration 
C)  Exposure 
D)  Exodus 
A)  Dispersal 
B)  Migration 
C)  Exposure 
D)  Exodus

Question 5

Which of the following statements can you not conclude with any certainty is true based off the data depicted in Figure 5.3

Accepted Answer

A)  There has been an increase in the number of unique sightings of adult females grizzly bears with cubs from 1990 to 2005 
B)  There has been an increase in the number of male grizzly bears 
C)  There has been an increase in the number of unique sightings of adult female grizzly bears with cubs from 1960 to 1975 and from 2005 to 2012. 
D)  Net recruitment has increased 5 fold since 1975 to 2005 
A)  There has been an increase in the number of unique sightings of adult females grizzly bears with cubs from 1990 to 2005 
B)  There has been an increase in the number of male grizzly bears 
C)  There has been an increase in the number of unique sightings of adult female grizzly bears with cubs from 1960 to 1975 and from 2005 to 2012. 
D)  Net recruitment has increased 5 fold since 1975 to 2005

Question 6

Which of the following is not a modular organism?

Accepted Answer

A)  Creosote bush 
B)  Streptococcus bacteria 
C)  Quercus spp. oak tree 
D)  Baetis spp. mayfly 
A)  Creosote bush 
B)  Streptococcus bacteria 
C)  Quercus spp. oak tree 
D)  Baetis spp. mayfly

Question 7

Which terms describe generalized spatial patterns that may be exhibited by organisms?

Accepted Answer

A)  Aggregated 
B)  Random 
C)  Regular 
D)  Segregated 
A)  Aggregated 
B)  Random 
C)  Regular 
D)  Segregated

Question 8

You are shopping at a plant nursery and come across a plant you have never seen.The sign indicates it is a flowering biennial.What should you already know about this plant?

Accepted Answer

A)  It is likely iteroparous 
B)  It is likely poisonous 
C)  It is likely semelparous 
D)  None of the above 
A)  It is likely iteroparous 
B)  It is likely poisonous 
C)  It is likely semelparous 
D)  None of the above

Question 9

Which of the following are examples of dispersal?

Accepted Answer

A)  The passive transport of seeds on a duck to another site 
B)  A honey badger leaving its mothers care 
C)  A bird flying from California to Alaska for the winter 
D)  A young male mountain lion seeking out its own territory 
A)  The passive transport of seeds on a duck to another site 
B)  A honey badger leaving its mothers care 
C)  A bird flying from California to Alaska for the winter 
D)  A young male mountain lion seeking out its own territory

Question 10

You are doing a research project to determine the age of maple trees in a series of 100 square meter plots.Your data are interesting because many of the trees that are the same age are not the same size,even though they are within a few kilometers of one another.Why might this be?

Accepted Answer

A)  Trees are long-lived and unitary organisms. As a result, some individuals may have experience competition and predation that has affected growth and development. 
B)  Trees of the same age should all grow differently because they are semelparous perennials. 
C)  Trees are long-lived and modular organisms. As a result, some individuals may have experience competition and predation that has affected growth and development. 
D)  Trees of the same age should all grow differently because they are iteroparous annuals. 
A)  Trees are long-lived and unitary organisms. As a result, some individuals may have experience competition and predation that has affected growth and development. 
B)  Trees of the same age should all grow differently because they are semelparous perennials. 
C)  Trees are long-lived and modular organisms. As a result, some individuals may have experience competition and predation that has affected growth and development. 
D)  Trees of the same age should all grow differently because they are iteroparous annuals.

Question 11

If birth and death rates are density dependent,then the density of a population will cycle near ______________

Accepted Answer

A)  Multiple times 
B)  On the carrying capacity 
C)  Always when mortality is at its lowest 
D)  Always when birth rates are at the highest 
A)  Multiple times 
B)  On the carrying capacity 
C)  Always when mortality is at its lowest 
D)  Always when birth rates are at the highest

Question 12

You have studied a population of garter snakes to understand how recruitment changes over time.When the density of snakes was at an average of 5 per 50 square meters recruitment was low.When that density increased to 20 per 50 square meters recruitment was also low.However,when densities were near 12 garter snakes per 50 square meters recruitment was at its highest.This is an example of a ___________ curve.

Accepted Answer

A)  Calibration 
B)  Dome-shaped net-recruitment 
C)  Type I 
D)  Sigmoidal 
A)  Calibration 
B)  Dome-shaped net-recruitment 
C)  Type I 
D)  Sigmoidal

Question 13

Which method would you employ if you wanted to create a life table for a population of tamarinds?

Accepted Answer

A)  Use a cohort life table 
B)  Use a static life table 
C)  Neither work because tamarinds have overlapping generations 
D)  Neither work because tamarinds are semelparous 
A)  Use a cohort life table 
B)  Use a static life table 
C)  Neither work because tamarinds have overlapping generations 
D)  Neither work because tamarinds are semelparous

Question 14

A Type III survivorship curve:

Accepted Answer

A)  Depicts how survivorship occurs for many wild plants and animals. 
B)  Shows many offspring die initially. 
C)  Shows that old-aged individuals experience a lower risk of mortality. 
D)  Shows that the number of surviving individuals is not a function of age. 
A)  Depicts how survivorship occurs for many wild plants and animals. 
B)  Shows many offspring die initially. 
C)  Shows that old-aged individuals experience a lower risk of mortality. 
D)  Shows that the number of surviving individuals is not a function of age.

Question 15

Population growth that is S-shaped:

Accepted Answer

A)  Often occurs with organisms with very short life cycles 
B)  Will show reduced increases in growth as the population reaches the carrying capacity 
C)  Grow exponentially as the population reaches the carrying capacity 
D)  Often occurs with organisms that have extremely long life cycles 
A)  Often occurs with organisms with very short life cycles 
B)  Will show reduced increases in growth as the population reaches the carrying capacity 
C)  Grow exponentially as the population reaches the carrying capacity 
D)  Often occurs with organisms that have extremely long life cycles

Question 16

An iteroparous organism:

Accepted Answer

A)  Can only be an annual species 
B)  Can be an annual or perennial species 
C)  Can breed more than once 
D)  Never breed 
A)  Can only be an annual species 
B)  Can be an annual or perennial species 
C)  Can breed more than once 
D)  Never breed

Question 17

In Figure 5.3,what is the trend of the line?

Accepted Answer

A)  The trend of the line is negative 
B)  The trend of the line is flat 
C)  There is no trend 
D)  The trend of the line is positive 
A)  The trend of the line is negative 
B)  The trend of the line is flat 
C)  There is no trend 
D)  The trend of the line is positive

Question 18

If you were going to concisely describe an annual,what would you say?

Accepted Answer

A)  Many annuals are semelparous, have bursts of flowering, set seed, and then go dormant until the following year when they can reproduce again. 
B)  Many annuals are iteroparous, have bursts of flowering, set seed, and then die. 
C)  Many annuals are iteroparous, have bursts of flowering, set seed, and then get eaten. 
D)  Many annuals are semelparous, have bursts of flowering, set seed, and then die. 
A)  Many annuals are semelparous, have bursts of flowering, set seed, and then go dormant until the following year when they can reproduce again. 
B)  Many annuals are iteroparous, have bursts of flowering, set seed, and then die. 
C)  Many annuals are iteroparous, have bursts of flowering, set seed, and then get eaten. 
D)  Many annuals are semelparous, have bursts of flowering, set seed, and then die.

Question 19

You are running an experiment in the laboratory to study the population growth of a species of Tribolium spp..You notice that the population multiplies over each successive interval of time.The growth of this population is therefore _____________.

Accepted Answer

A)  Logistic 
B)  Exponential 
C)  Logarithmic 
D)  S-shaped 
A)  Logistic 
B)  Exponential 
C)  Logarithmic 
D)  S-shaped

Question 20

Which choice accurately defines what a genet is?

Accepted Answer

A)  A genet is a single-celled zygote that has died 
B)  A genet is a term used to describe a module 
C)  A genet is a genetic individual that started as a single-celled zygote 
D)  A genet is a multicellular outgrowth from a module 
A)  A genet is a single-celled zygote that has died 
B)  A genet is a term used to describe a module 
C)  A genet is a genetic individual that started as a single-celled zygote 
D)  A genet is a multicellular outgrowth from a module

What measurement gives an overall idea of whether a population has increased or decreased in a generation?

In Figure 5.9,how does probability of reproduction change as a function of leaf area?

In Figure 5.5,from autumn to spring (March to October)what is the trend in nitrogen allocation to parts of the plant not directly involved with reproduction for this perennial plant from the Southern Hemisphere?

The mass movement of elk across North America is an example of ________?

Which of the following statements can you not conclude with any certainty is true based off the data depicted in Figure 5.3

Which of the following is not a modular organism?

Which terms describe generalized spatial patterns that may be exhibited by organisms?

You are shopping at a plant nursery and come across a plant you have never seen.The sign indicates it is a flowering biennial.What should you already know about this plant?

Which of the following are examples of dispersal?

You are doing a research project to determine the age of maple trees in a series of 100 square meter plots.Your data are interesting because many of the trees that are the same age are not the same size,even though they are within a few kilometers of one another.Why might this be?

If birth and death rates are density dependent,then the density of a population will cycle near ______________

Which method would you employ if you wanted to create a life table for a population of tamarinds?

A Type III survivorship curve:

Population growth that is S-shaped:

An iteroparous organism:

In Figure 5.3,what is the trend of the line?

If you were going to concisely describe an annual,what would you say?

You are running an experiment in the laboratory to study the population growth of a species of Tribolium spp..You notice that the population multiplies over each successive interval of time.The growth of this population is therefore _____________.

Which choice accurately defines what a genet is?

Ecology and How to Do It

Ecology’s Evolutionary Backdrop

Physical Conditions and the Availability of Resources

Climate and the World’s Biomes

Interspecific Competition

Predation, Grazing and Disease

Molecular and Evolutionary Ecology

From Populations to Communities

Patterns in Species Richness

The Flux of Energy and Matter Through Ecosystems

Global Biogeochemical Cycles and Their Alteration by Humans

Conservation Ecology

The Ecology of Human Population Growth, Disease, and Food Supply

Filters

Exam 5: Birth, Death and Movement

What measurement gives an overall idea of whether a population has increased or decreased in a generation?

In Figure 5.9,how does probability of reproduction change as a function of leaf area?

In Figure 5.5,from autumn to spring (March to October)what is the trend in nitrogen allocation to parts of the plant not directly involved with reproduction for this perennial plant from the Southern Hemisphere?

The mass movement of elk across North America is an example of ________?

Which of the following statements can you not conclude with any certainty is true based off the data depicted in Figure 5.3

Which of the following is not a modular organism?

Which terms describe generalized spatial patterns that may be exhibited by organisms?

You are shopping at a plant nursery and come across a plant you have never seen.The sign indicates it is a flowering biennial.What should you already know about this plant?

Which of the following are examples of dispersal?

You are doing a research project to determine the age of maple trees in a series of 100 square meter plots.Your data are interesting because many of the trees that are the same age are not the same size,even though they are within a few kilometers of one another.Why might this be?

If birth and death rates are density dependent,then the density of a population will cycle near ______________

Which method would you employ if you wanted to create a life table for a population of tamarinds?

A Type III survivorship curve:

Population growth that is S-shaped:

An iteroparous organism:

In Figure 5.3,what is the trend of the line?

If you were going to concisely describe an annual,what would you say?

You are running an experiment in the laboratory to study the population growth of a species of Tribolium spp..You notice that the population multiplies over each successive interval of time.The growth of this population is therefore _____________.

Which choice accurately defines what a genet is?

Ecology and How to Do It

Ecology’s Evolutionary Backdrop

Physical Conditions and the Availability of Resources

Climate and the World’s Biomes

Interspecific Competition

Predation, Grazing and Disease

Molecular and Evolutionary Ecology

From Populations to Communities

Patterns in Species Richness

The Flux of Energy and Matter Through Ecosystems

Global Biogeochemical Cycles and Their Alteration by Humans

Conservation Ecology

The Ecology of Human Population Growth, Disease, and Food Supply

Filters