Question 1

Which factor is ultimately responsible for the rapid population explosion of humans?

Accepted Answer

A)  More prevalence of microorganisms to fight diseases naturally 
B)  Increasing availability of natural resources 
C)  Decreasing migration of human and animal populations 
D)  Decline in death rates without an equivalent decline in birth rates 
E)  Advances in reproductive technology 
A)  More prevalence of microorganisms to fight diseases naturally 
B)  Increasing availability of natural resources 
C)  Decreasing migration of human and animal populations 
D)  Decline in death rates without an equivalent decline in birth rates 
E)  Advances in reproductive technology

Question 2

The clumped distribution of coral colonies is due to ____.

Accepted Answer

A)  asexual reproduction 
B)  patchy distribution of resources 
C)  availability of sunlight 
D)  competition for limited resources 
E)  uniformly available resources 
A)  asexual reproduction 
B)  patchy distribution of resources 
C)  availability of sunlight 
D)  competition for limited resources 
E)  uniformly available resources

Question 3

Classification. Respond to the following statements used by ecologists with reference to the five terms listed below:
-This is a factor that causes a logistic growth pattern

Accepted Answer

A) Carrying capacity 
B) Emigration 
C) Immigration 
D) Density-dependent limiting factor 
E) Density-independent limiting factor 
A) Carrying capacity 
B) Emigration 
C) Immigration 
D) Density-dependent limiting factor 
E) Density-independent limiting factor

Question 4

A Type I survivorship curve is ___________

Accepted Answer

A)  convex, such as that of humans 
B)  diagonal, such as that of lizards, small mammals, and large birds 
C)  concave, such as marine animals that release eggs 
D)  S-shaped, such as that of small birds 
E)  logarithmic, such as that of weeds 
A)  convex, such as that of humans 
B)  diagonal, such as that of lizards, small mammals, and large birds 
C)  concave, such as marine animals that release eggs 
D)  S-shaped, such as that of small birds 
E)  logarithmic, such as that of weeds

Question 5

The replacement fertility rate is ____.

Accepted Answer

A)  the average number of children a man must sire to replace himself with a son who reaches reproductive age 
B)  the average number of children woman must bear to replace herself with one daughter who reaches reproductive age 
C)  the average number of children born per year in a population 
D)  the birth rate minus the death rate of a population 
E)  the number of boy-girl pairs born each year in a population 
A)  the average number of children a man must sire to replace himself with a son who reaches reproductive age 
B)  the average number of children woman must bear to replace herself with one daughter who reaches reproductive age 
C)  the average number of children born per year in a population 
D)  the birth rate minus the death rate of a population 
E)  the number of boy-girl pairs born each year in a population

Question 6

Which of the following refers to the area of Earth's surface that is required to sustainably support a particular level of development and consumption?

Accepted Answer

A)  Demographic transition model 
B)  Carrying capacity 
C)  Ecological footprint 
D)  Biosphere 
E)  Ecological cohort 
A)  Demographic transition model 
B)  Carrying capacity 
C)  Ecological footprint 
D)  Biosphere 
E)  Ecological cohort

Question 7

A population of dandelions in a field exemplifies a ____ population distribution.

Accepted Answer

A)  clumped 
B)  random 
C)  uniform 
D)  constant 
E)  homogeneous 
A)  clumped 
B)  random 
C)  uniform 
D)  constant 
E)  homogeneous

Question 8

The distribution of hippopotamuses in muddy shallows is an example of ____ distribution.

Accepted Answer

A)  clumped 
B)  random 
C)  uniform 
D)  constant 
E)  homogeneous 
A)  clumped 
B)  random 
C)  uniform 
D)  constant 
E)  homogeneous

Question 9

Predation can change the life history of a prey species when predators choose prey based on their _________.

Accepted Answer

A)  speed of movement 
B)  body size 
C)  coloration 
D)  population size 
E)  habitat 
A)  speed of movement 
B)  body size 
C)  coloration 
D)  population size 
E)  habitat

Question 10

At low population density,__________ is favored,quickly producing as many offspring as possible.

Accepted Answer

The answer of At low population density,__________ is favored,quickly producing...

Question 11

A(n)__________ is a group of individuals born during the same time interval.

Accepted Answer

The answer of A(n)__________ is a group of individuals born...

Question 12

The carrying capacity for a plant species can decrease when ______.

Accepted Answer

A)  natural selection occurs 
B)  germination starts too early 
C)  plants evolve a quick-growing trait 
D)  the population of pollinators increase 
E)  soil nutrients are become depleted 
A)  natural selection occurs 
B)  germination starts too early 
C)  plants evolve a quick-growing trait 
D)  the population of pollinators increase 
E)  soil nutrients are become depleted

Question 13

A cohort is ____.

Accepted Answer

A)  a group of individuals of the same species born during the same time interval 
B)  any member of the same species 
C)  a group of individuals with the same parents 
D)  a group of individuals of the same sex 
E)  any group of closely related individuals 
A)  a group of individuals of the same species born during the same time interval 
B)  any member of the same species 
C)  a group of individuals with the same parents 
D)  a group of individuals of the same sex 
E)  any group of closely related individuals

Question 14

Classification. Respond to the following statements used by ecologists with reference to the five terms listed below:
-The maximum number of individuals that a given habitat can support

Accepted Answer

A) Carrying capacity 
B) Emigration 
C) Immigration 
D) Density-dependent limiting factor 
E) Density-independent limiting factor 
A) Carrying capacity 
B) Emigration 
C) Immigration 
D) Density-dependent limiting factor 
E) Density-independent limiting factor

Question 15

At high population density,__________ is favored,with organisms investing more time and energy in fewer,higher quality offspring.

Accepted Answer

The answer of At high population density,__________ is favored,with organisms...

Question 16

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 17

In cases of __________ growth,a population's growth rate remains constant and greater than zero.

Accepted Answer

The answer of In cases of __________ growth,a population's growth...

Question 18

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

Accepted Answer

logistic;

Question 19

The Reznick and Endler guppy study showed that life history traits in guppies ____.

Accepted Answer

A)  evolve primarily due to migration patterns 
B)  are unpredictable and random from a human standpoint 
C)  change very slowly, and only in response to individual guppy needs 
D)  are unchanged in response to the preferences of predators 
E)  can evolve rapidly in response to the preferences of predators 
A)  evolve primarily due to migration patterns 
B)  are unpredictable and random from a human standpoint 
C)  change very slowly, and only in response to individual guppy needs 
D)  are unchanged in response to the preferences of predators 
E)  can evolve rapidly in response to the preferences of predators

Question 20

The effect of resource availability on population size ultimately determines ____.

Accepted Answer

A)  the carrying capacity of the environment 
B)  exponential growth 
C)  the doubling time of a population 
D)  the population's biotic potential 
E)  the loss of species in an ecosystem 
A)  the carrying capacity of the environment 
B)  exponential growth 
C)  the doubling time of a population 
D)  the population's biotic potential 
E)  the loss of species in an ecosystem

Exam 44: Population Ecology

Which factor is ultimately responsible for the rapid population explosion of humans?

The clumped distribution of coral colonies is due to ____.

Classification. Respond to the following statements used by ecologists with reference to the five terms listed below: -This is a factor that causes a logistic growth pattern

A Type I survivorship curve is ___________

The replacement fertility rate is ____.

Which of the following refers to the area of Earth's surface that is required to sustainably support a particular level of development and consumption?

A population of dandelions in a field exemplifies a ____ population distribution.

The distribution of hippopotamuses in muddy shallows is an example of ____ distribution.

Predation can change the life history of a prey species when predators choose prey based on their _________.

At low population density,__________ is favored,quickly producing as many offspring as possible.

A(n)__________ is a group of individuals born during the same time interval.

The carrying capacity for a plant species can decrease when ______.

A cohort is ____.

Classification. Respond to the following statements used by ecologists with reference to the five terms listed below: -The maximum number of individuals that a given habitat can support

At high population density,__________ is favored,with organisms investing more time and energy in fewer,higher quality offspring.

Density-independent factors that limit population growth include ____.

In cases of __________ growth,a population's growth rate remains constant and greater than zero.

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

The Reznick and Endler guppy study showed that life history traits in guppies ____.

The effect of resource availability on population size ultimately determines ____.

Invitation to Biology

Life's Chemical Bases

Molecules of Life

Cell Structure

Ground Rules of Metabolism

Where it Starts—Photosynthesis

How Cells Release Chemical Energy

DNA Structure and Function

From DNA to Protein

Control of Gene Expression

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

Life's Origin and Early Evolution

Viruses, Bacteria, and Archaea

Protists: The Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolution: The Invertebrates

Animal Evolution: The Chordates

Human 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 System

Animal Development

Animal Behavior

Community Ecology

Ecosystems

The Biosphere

Human Impacts on the Biosphere

Filters

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