Question 1

The Reznick and Endler guppy study showed that killifish and pike-cichlids raised in natural conditions will

Accepted Answer

A)  affect the age at first reproduction of the guppies that live with them. 
B)  prey on guppies. 
C)  affect the growth rate of guppies. 
D)  affect the evolution of the guppies' life history traits. 
E)  do all of these. 
A)  affect the age at first reproduction of the guppies that live with them. 
B)  prey on guppies. 
C)  affect the growth rate of guppies. 
D)  affect the evolution of the guppies' life history traits. 
E)  do all of these.

Question 2

Zero population growth is achieved

Accepted Answer

A)  when a population reaches the carrying capacity of the environment. 
B)  when emigration and immigration are balanced, and the number of births equals the number of deaths. 
C)  anytime that births exceed deaths. 
D)  anytime that deaths exceed births. 
E)  when emigration and immigration are prevented. 
A)  when a population reaches the carrying capacity of the environment. 
B)  when emigration and immigration are balanced, and the number of births equals the number of deaths. 
C)  anytime that births exceed deaths. 
D)  anytime that deaths exceed births. 
E)  when emigration and immigration are prevented.

Question 3

Demographics include __________ and __________ structure, such as the size of the __________ base.

Accepted Answer

population

Question 4

Density-independent factors that limit population growth include

Accepted Answer

A)  parasites. 
B)  temperature. 
C)  disease. 
D)  competition. 
E)  predation. 
A)  parasites. 
B)  temperature. 
C)  disease. 
D)  competition. 
E)  predation.

Question 5

Organisms that demonstrate type I survivorship are characterized by

Accepted Answer

A)  high r, small offspring. 
B)  low r, small offspring. 
C)  low r, large offspring. 
D)  high r, large offspring. 
E)  low r, large population size. 
A)  high r, small offspring. 
B)  low r, small offspring. 
C)  low r, large offspring. 
D)  high r, large offspring. 
E)  low r, large population size.

Question 6

__________ can be used to estimate the population density for mobile animals.

Accepted Answer

Mark-recap

Question 7

Which of the following is not a problem caused by Canada geese?

Accepted Answer

A)  Their feces can cloud lakes. 
B)  Their feces contain harmful bacteria. 
C)  They can destroy lawns. 
D)  They can be dangerous to air traffic. 
E)  All of these. 
A)  Their feces can cloud lakes. 
B)  Their feces contain harmful bacteria. 
C)  They can destroy lawns. 
D)  They can be dangerous to air traffic. 
E)  All of these.

Question 8

Classification.Respond to the following statements with reference to the five terms listed below, which are used by ecologists.
a.carrying capacity
b.net reproduction per individual per unit time
c.age structure
d.survivorship
e.growth rate
-The maximum number of individuals that a given habitat can support is this.

Accepted Answer

The answer of Classification.Respond to the following statements with reference...

Question 9

The following questions refer to the age structure diagrams above.
-The age structure diagram for countries with a 2.1 total fertility rate is indicated by

Accepted Answer

A)  A. 
B)  B. 
C)  C. 
D)  D. 
E)  none of these. 
A)  A. 
B)  B. 
C)  C. 
D)  D. 
E)  none of these.

Question 10

MATCHING
Matching.Choose the most appropriate response for each.
a.describes a population that is experiencing unrestrained growth
b.the birth rate minus the death rate plus any inward migration and minus any outward migration
c.the distribution of individuals at each age level in a population
d.for example, the amount of glucose in a culture flask containing bacteria
-J-shaped curve

Accepted Answer

The answer of MATCHING
Matching.Choose the most appropriate response for each.
a.describes...

Question 11

Random dispersion of individuals in a population occurs when habitat conditions are ____, resource availability is ____, and individuals or pairs of individuals ____ one another.

Accepted Answer

A)  random; scarce; either attract or avoid 
B)  clumped; fairly steady; neither attract nor avoid 
C)  nearly uniform; random; neither attract nor avoid 
D)  nearly uniform; fairly steady; neither attract nor avoid 
E)  clumped; scarce; either attract or avoid 
A)  random; scarce; either attract or avoid 
B)  clumped; fairly steady; neither attract nor avoid 
C)  nearly uniform; random; neither attract nor avoid 
D)  nearly uniform; fairly steady; neither attract nor avoid 
E)  clumped; scarce; either attract or avoid

Question 12

A population's __________ is the average number of children born to women during their reproductive years.

Accepted Answer

total fert

Question 13

A population of deer is sampled.25 deer are caught and tagged.Two months later, the researchers return and find that 4 of the 16 deer they observe have tags.This would suggest a total population size of what number? Explain your answer.

Accepted Answer

When the researchers returned, 25% of th

Question 14

With __________ growth, a small population starts growing slowly, then grows rapidly, and then levels off once __________ is reached.

Accepted Answer

logistic;

Question 15

The maximum possible rate of increase is a species' __________ potential.

Accepted Answer

The answer of The maximum possible rate of increase is...

Question 16

The following questions refer to the figure above illustrating logistic growth.
-The population is in exponential growth at

Accepted Answer

A)  A. 
B)  B. 
C)  C. 
D)  D. 
E)  E. 
A)  A. 
B)  B. 
C)  C. 
D)  D. 
E)  E.

Question 17

Do humans exhibit r-selected or K-selected species patterns?

Accepted Answer

Humans exhibit almost exclusively K-sele

Question 18

When the birth rate plus immigration equals the death rate plus emigration the result is

Accepted Answer

A)  logistic growth. 
B)  exponential growth. 
C)  population saturation. 
D)  zero population growth. 
E)  geometric growth. 
A)  logistic growth. 
B)  exponential growth. 
C)  population saturation. 
D)  zero population growth. 
E)  geometric growth.

Question 19

Individuals in the population grouped according to levels of maturity define the population's

Accepted Answer

A)  carrying capacity. 
B)  age structure. 
C)  density. 
D)  size. 
E)  birth rate. 
A)  carrying capacity. 
B)  age structure. 
C)  density. 
D)  size. 
E)  birth rate.

Question 20

The work of Reznick and Endler with guppies shows all of the following EXCEPT that

Accepted Answer

A)  life history traits can be inherited. 
B)  life history traits evolve. 
C)  life history traits can be altered over a short period of time. 
D)  predation does not influence the modification of life history traits. 
E)  life history traits are coded for in DNA. 
A)  life history traits can be inherited. 
B)  life history traits evolve. 
C)  life history traits can be altered over a short period of time. 
D)  predation does not influence the modification of life history traits. 
E)  life history traits are coded for in DNA.

Exam 44: Population Ecology

The Reznick and Endler guppy study showed that killifish and pike-cichlids raised in natural conditions will

Zero population growth is achieved

Demographics include __________ and __________ structure, such as the size of the __________ base.

Density-independent factors that limit population growth include

Organisms that demonstrate type I survivorship are characterized by

__________ can be used to estimate the population density for mobile animals.

Which of the following is not a problem caused by Canada geese?

The following questions refer to the age structure diagrams above. -The age structure diagram for countries with a 2.1 total fertility rate is indicated by

Random dispersion of individuals in a population occurs when habitat conditions are ____, resource availability is ____, and individuals or pairs of individuals ____ one another.

A population's __________ is the average number of children born to women during their reproductive years.

A population of deer is sampled.25 deer are caught and tagged.Two months later, the researchers return and find that 4 of the 16 deer they observe have tags.This would suggest a total population size of what number? Explain your answer.

With __________ growth, a small population starts growing slowly, then grows rapidly, and then levels off once __________ is reached.

The maximum possible rate of increase is a species' __________ potential.

The following questions refer to the figure above illustrating logistic growth. -The population is in exponential growth at

Do humans exhibit r-selected or K-selected species patterns?

When the birth rate plus immigration equals the death rate plus emigration the result is

Individuals in the population grouped according to levels of maturity define the population's

The work of Reznick and Endler with guppies shows all of the following EXCEPT that

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

Ground Rules of Metabolism

Where It Startsphotosynthesis

How Cells Release Chemical Energy

Dna Structure and Function

From Dna to Protein

Gene Control

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Studying and Manipulating Genomes

Evidence of Evolution

Processes of Evolution

Organizing Information About Species

Lifes Origin and Early Evolution

Viruses and Prokaryotes

Protiststhe Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolutionthe Invertebrates

Animal Evolutionthe Chordates

Animal Evolutionhuman Evolution

Plant Tissues

Plant Nutrition and Transport

Life Cycles of Flowering Plants

Communication Strategies in Plants

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Nutrition

Maintaining the Internal Environment

Animal Reproductive Systems

Animal Development

Animal Behavior

Community Ecology

Ecosystems

The Biosphere

Human Impacts on the Biosphere

Filters

Demographics include and structure, such as the size of the __ base.

Random dispersion of individuals in a population occurs when habitat conditions are , resource availability is , and individuals or pairs of individuals one another.

With growth, a small population starts growing slowly, then grows rapidly, and then levels off once is reached.