Question 1

Type II survivorship curves

Accepted Answer

A)  are characteristics of humans and elephants. 
B)  typify a population in which all ages have an equal chance of survival. 
C)  indicate a high mortality rate in the very young. 
D)  show that very few young are produced, that each is given parental support, and that most individuals live a relatively long life and die of old age. 
E)  are typical of annual plants. 
A)  are characteristics of humans and elephants. 
B)  typify a population in which all ages have an equal chance of survival. 
C)  indicate a high mortality rate in the very young. 
D)  show that very few young are produced, that each is given parental support, and that most individuals live a relatively long life and die of old age. 
E)  are typical of annual plants.

Question 2

The age-structure diagram for rapidly growing populations

Accepted Answer

A)  is in the form of a pyramid. 
B)  is characterized by a large percentage of the population in the post-reproductive years. 
C)  has a very broad base, showing a large number of young. 
D)  has about equal distribution among all age groups. 
E)  is in the form of a pyramid and has a very broad base showing a large number of young. 
A)  is in the form of a pyramid. 
B)  is characterized by a large percentage of the population in the post-reproductive years. 
C)  has a very broad base, showing a large number of young. 
D)  has about equal distribution among all age groups. 
E)  is in the form of a pyramid and has a very broad base showing a large number of young.

Question 3

Which of the following is NOT a reason for the rapid explosion of the human population?

Accepted Answer

A)  increase in carrying capacity 
B)  expansion into new habitat 
C)  removal of limiting factors 
D)  reproduction occurring earlier in the life cycle 
E)  longer generation times 
A)  increase in carrying capacity 
B)  expansion into new habitat 
C)  removal of limiting factors 
D)  reproduction occurring earlier in the life cycle 
E)  longer generation times

Question 4

The carrying capacity of an environment is increased by

Accepted Answer

A)  pollution. 
B)  predation. 
C)  disease. 
D)  population growth. 
E)  none of these. 
A)  pollution. 
B)  predation. 
C)  disease. 
D)  population growth. 
E)  none of these.

Question 5

In a population of 100 Douglas squirrels,the birth rate is 10 per year and the death rate is 20 per year.The per capita growth rate of Douglas squirrels is ___ per squirrel per year.

Accepted Answer

A)  0.2 
B)  0.1 
C)  0.0 
D)  -0.1 
E)  -0.2 
A)  0.2 
B)  0.1 
C)  0.0 
D)  -0.1 
E)  -0.2

Question 6

Population growth

Accepted Answer

A)  is limited by only one factor at a time. 
B)  increases arithmetically. 
C)  increases indefinitely. 
D)  is limited by the carrying capacity. 
E)  is represented by a minimum of two different sizes. 
A)  is limited by only one factor at a time. 
B)  increases arithmetically. 
C)  increases indefinitely. 
D)  is limited by the carrying capacity. 
E)  is represented by a minimum of two different sizes.

Question 7

In which type of population distribution would plot sampling be most accurate?

Accepted Answer

A)  clumping 
B)  uniform 
C)  random 
D)  random and clumping 
E)  uniform and clumping 
A)  clumping 
B)  uniform 
C)  random 
D)  random and clumping 
E)  uniform and clumping

Question 8

Examine the figure above and answer the following question(s).
-During phase "1",the size of the population of deer grow slowly because

Accepted Answer

A)  predators eat fawns as they are born. 
B)  the number of breeding individuals is small. 
C)  the temperatures are relatively extreme. 
D)  the amount of food available is relatively scarce. 
E)  all of these occur. 
A)  predators eat fawns as they are born. 
B)  the number of breeding individuals is small. 
C)  the temperatures are relatively extreme. 
D)  the amount of food available is relatively scarce. 
E)  all of these occur.

Question 9

Which of the following statements is accurate?

Accepted Answer

A)  All Canada geese populations migrate. 
B)  All Canada geese breed where they were raised. 
C)  Like other migratory birds, Canada geese are protected by federal law. 
D)  When living together, migratory Canada geese do not interbreed with nonmigratory ones. 
E)  Nonmigratory Canada geese have more goslings (baby geese) than migratory geese. 
A)  All Canada geese populations migrate. 
B)  All Canada geese breed where they were raised. 
C)  Like other migratory birds, Canada geese are protected by federal law. 
D)  When living together, migratory Canada geese do not interbreed with nonmigratory ones. 
E)  Nonmigratory Canada geese have more goslings (baby geese) than migratory geese.

Question 10

____ is the study of interactions among organisms and between organisms and their environment.

Accepted Answer

A)  Environmentalism 
B)  Demography 
C)  Ecology 
D)  Biogeography 
E)  Paleontology 
A)  Environmentalism 
B)  Demography 
C)  Ecology 
D)  Biogeography 
E)  Paleontology

Question 11

E.coli is an intestinal bacterium that reproduces at a rate of every 20 minutes.E.coli is representative of a ___ species.

Accepted Answer

A)  r-selected 
B)  K-selected 
C)  type I 
D)  logarithmic type-curve 
E)  more than one of these 
A)  r-selected 
B)  K-selected 
C)  type I 
D)  logarithmic type-curve 
E)  more than one of these

Question 12

Four of the five answers listed below follow a type I survivorship curve.Select the EXCEPTION.

Accepted Answer

A)  deer 
B)  sea turtles 
C)  bears 
D)  humans 
E)  elephants 
A)  deer 
B)  sea turtles 
C)  bears 
D)  humans 
E)  elephants

Question 13

Four of the five answers listed below are density-independent factors.Select the EXCEPTION.

Accepted Answer

A)  nutrient supply 
B)  temperature drop 
C)  drought 
D)  volcanic eruption 
E)  hard freeze 
A)  nutrient supply 
B)  temperature drop 
C)  drought 
D)  volcanic eruption 
E)  hard freeze

Question 14

Which of the following countries has the smallest ecological footprint?

Accepted Answer

A)  Mexico 
B)  China 
C)  United States 
D)  India 
E)  Canada 
A)  Mexico 
B)  China 
C)  United States 
D)  India 
E)  Canada

Question 15

Examine the figure above and answer the following question(s).
-During the second phase "2",the growth is ____ as long as resources are plentiful.

Accepted Answer

A)  logical 
B)  logistical 
C)  arithmetic 
D)  exponential 
E)  analytical 
A)  logical 
B)  logistical 
C)  arithmetic 
D)  exponential 
E)  analytical

Question 16

Classification.Answer the questions in reference to the seven terms listed below that are used by ecologists.
 a.density-dependent factor
b.demographic transitional stage
c.type I survivorship
d.r-selected species
e.biotic potential
f.density-independent factor
g.logistic growth
-This describes a population that grows slowly at first then increases rapidly until it reaches carrying capacity.

Accepted Answer

The answer of Classification.Answer the questions in reference to the...

Question 17

Four of the five answers listed below are limits to achieving a population's full biotic potential.Select the EXCEPTION.

Accepted Answer

A)  lack of nutrients 
B)  predation 
C)  exponential growth 
D)  competition for space 
E)  waste build up 
A)  lack of nutrients 
B)  predation 
C)  exponential growth 
D)  competition for space 
E)  waste build up

Question 18

Which of the following factors is NOT a density-independent factor?

Accepted Answer

A)  earthquakes 
B)  snowstorms 
C)  competition 
D)  hurricanes 
E)  tsunamis 
A)  earthquakes 
B)  snowstorms 
C)  competition 
D)  hurricanes 
E)  tsunamis

Question 19

The countries of ___ and ___ have the world's highest human populations.

Accepted Answer

A)  India...China 
B)  China...United States 
C)  China...Brazil 
D)  India...United States 
E)  United States...Canada 
A)  India...China 
B)  China...United States 
C)  China...Brazil 
D)  India...United States 
E)  United States...Canada

Question 20

Match the following letters with the number with which they best correspond.
 a.population density
b.population growth rate
c.carrying capacity
d.limiting factor
e.age structure
f.ecological footprint
-the amount of the Earth's surface needed to sustain a population's life habits

Accepted Answer

The answer of Match the following letters with the number...

Exam 16: Population Ecology

Type II survivorship curves

The age-structure diagram for rapidly growing populations

Which of the following is NOT a reason for the rapid explosion of the human population?

The carrying capacity of an environment is increased by

In a population of 100 Douglas squirrels,the birth rate is 10 per year and the death rate is 20 per year.The per capita growth rate of Douglas squirrels is ___ per squirrel per year.

Population growth

In which type of population distribution would plot sampling be most accurate?

Examine the figure above and answer the following question(s). -During phase "1",the size of the population of deer grow slowly because

Which of the following statements is accurate?

____ is the study of interactions among organisms and between organisms and their environment.

E.coli is an intestinal bacterium that reproduces at a rate of every 20 minutes.E.coli is representative of a ___ species.

Four of the five answers listed below follow a type I survivorship curve.Select the EXCEPTION.

Four of the five answers listed below are density-independent factors.Select the EXCEPTION.

Which of the following countries has the smallest ecological footprint?

Examine the figure above and answer the following question(s). -During the second phase "2",the growth is ____ as long as resources are plentiful.

Four of the five answers listed below are limits to achieving a population's full biotic potential.Select the EXCEPTION.

Which of the following factors is NOT a density-independent factor?

The countries of ___ and ___ have the world's highest human populations.

Match the following letters with the number with which they best correspond. a.population density b.population growth rate c.carrying capacity d.limiting factor e.age structure f.ecological footprint -the amount of the Earth's surface needed to sustain a population's life habits

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

DNA Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolution

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

Filters

The countries of _ and _ have the world's highest human populations.