Question 1

A plant with wind-dispersed seeds is most likely to grow in a ____ distribution.

Accepted Answer

A)  random 
B)  linear 
C)  spherical 
D)  clumped 
E)  uniform 
A)  random 
B)  linear 
C)  spherical 
D)  clumped 
E)  uniform

Question 2

The best example of exponential population growth would be an increase of _____ per generation.

Accepted Answer

A)  10 individuals 
B)  10% 
C)  10X (tenfold) 
D)  a variable rate, from 1.5X to 10X 
E)  Any of the above. 
A)  10 individuals 
B)  10% 
C)  10X (tenfold) 
D)  a variable rate, from 1.5X to 10X 
E)  Any of the above.

Question 3

Without an appropriate cave or other underground den where they can sleep through the winter,a bear will die.The abundance of caves,therefore,is a __________ factor and a(n)__________ factor influencing bear populations.

Accepted Answer

A)  density-codependent; abiotic 
B)  density-dependent; abiotic 
C)  density-dependent; biotic 
D)  density-independent; abiotic 
E)  density-independent; biotic 
A)  density-codependent; abiotic 
B)  density-dependent; abiotic 
C)  density-dependent; biotic 
D)  density-independent; abiotic 
E)  density-independent; biotic

Question 4

Removal of a predator from an ecosystem may do all of the following,EXCEPT

Accepted Answer

A)  affect prey populations. 
B)  allow prey populations to remain above carrying capacity. 
C)  alter the vegetation of an ecosystem. 
D)  affect the ecosystem balance. 
E)  have unintended negative results. 
A)  affect prey populations. 
B)  allow prey populations to remain above carrying capacity. 
C)  alter the vegetation of an ecosystem. 
D)  affect the ecosystem balance. 
E)  have unintended negative results.

Question 5

Most species on the planet have a _____ distribution.

Accepted Answer

A)  random 
B)  linear 
C)  spherical 
D)  clumped 
E)  uniform 
A)  random 
B)  linear 
C)  spherical 
D)  clumped 
E)  uniform

Question 6

A few years after a prey species population increases,the ____.

Accepted Answer

A)  predator population will increase 
B)  prey population must decrease 
C)  predator population will decrease 
D)  predator population will exceed carrying capacity 
E)  prey population will exceed carrying capacity 
A)  predator population will increase 
B)  prey population must decrease 
C)  predator population will decrease 
D)  predator population will exceed carrying capacity 
E)  prey population will exceed carrying capacity

Question 7

Place the population distribution pattern in order from most to least frequently encountered by ecologists.

Accepted Answer

A)  random, asymmetric, and uniform 
B)  clumped, random, and uniform 
C)  clumped, uniform, and random 
D)  uniform, asymmetric, and clumped 
E)  asymmetric, clumped, and random 
A)  random, asymmetric, and uniform 
B)  clumped, random, and uniform 
C)  clumped, uniform, and random 
D)  uniform, asymmetric, and clumped 
E)  asymmetric, clumped, and random

Question 8

Which behavior would most likely result in a uniform distribution pattern?

Accepted Answer

A)  migration 
B)  defensive strategies 
C)  predator avoidance 
D)  territorial and nesting behaviors in birds 
E)  social network of bees 
A)  migration 
B)  defensive strategies 
C)  predator avoidance 
D)  territorial and nesting behaviors in birds 
E)  social network of bees

Question 9

Which of these would NOT be useful in assessing a population's health?

Accepted Answer

A)  urine 
B)  bone remains 
C)  fecal remains 
D)  radio transmitters 
E)  blood spatter 
A)  urine 
B)  bone remains 
C)  fecal remains 
D)  radio transmitters 
E)  blood spatter

Question 10

Which of the following conditions indicates that a population is living at its carrying capacity?

Accepted Answer

A)  birth rate = death rate; immigration = emigration 
B)  birth rate = death rate; immigration > emigration 
C)  birth rate > death rate; immigration > emigration 
D)  birth rate > death rate; emigration > immigration 
E)  birth rate > death rate; immigration = emigration 
A)  birth rate = death rate; immigration = emigration 
B)  birth rate = death rate; immigration > emigration 
C)  birth rate > death rate; immigration > emigration 
D)  birth rate > death rate; emigration > immigration 
E)  birth rate > death rate; immigration = emigration

Question 11

Many predators have been hunted,trapped,or poisoned and are now absent from many ecosystems they inhabited 100 years ago.Why do conservationists make great efforts to reintroduce predators to these ecosystems? Specifically,what is it about predators that makes for a healthy ecosystem?

Accepted Answer

When prey animals,such as herbivores,rea

Question 12

A flock of birds represents a _________ distribution pattern,while birds on a power line with six inches of space between each bird represents a _________ distribution pattern.

Accepted Answer

A)  uniform; random 
B)  clumped; random 
C)  random; uniform 
D)  clumped; uniform 
E)  random; clumped 
A)  uniform; random 
B)  clumped; random 
C)  random; uniform 
D)  clumped; uniform 
E)  random; clumped

Question 13

Butterflies eat flower nectar and birds eat butterflies.The butterflies,flowers,and birds constitute a(n)

Accepted Answer

A)  individual. 
B)  population. 
C)  community. 
D)  ecosystem. 
E)  biosphere. 
A)  individual. 
B)  population. 
C)  community. 
D)  ecosystem. 
E)  biosphere.

Question 14

You are speaking to someone who tells you that wolves should have never been reintroduced to Yellowstone National Park.What might you say to this person? What might you tell them about ecosystems and biodiversity?

Accepted Answer

Without wolves,large herbivore populatio

Question 15

An increase in the predator population that consumes herbivorous animals will cause

Accepted Answer

A)  a decrease in food plant populations. 
B)  some food plant populations to explode out of control. 
C)  a general increase in food plant populations. 
D)  a loss of species diversity. 
E)  an increase in species diversity. 
A)  a decrease in food plant populations. 
B)  some food plant populations to explode out of control. 
C)  a general increase in food plant populations. 
D)  a loss of species diversity. 
E)  an increase in species diversity.

Question 16

How does a low prey species population affect the population of a predator species?

Accepted Answer

It will cause a decr

Question 17

Warmer temperatures have led to an increase of which population on Isle Royale?

Accepted Answer

A)  predator 
B)  prey 
C)  parasites 
D)  producers 
E)  consumers 
A)  predator 
B)  prey 
C)  parasites 
D)  producers 
E)  consumers

Question 18

Scat is _____.

Accepted Answer

A)  a parasite found on wolves 
B)  a species of mite 
C)  feces 
D)  urine 
E)  blood 
A)  a parasite found on wolves 
B)  a species of mite 
C)  feces 
D)  urine 
E)  blood

Question 19

You work on a large nature preserve full of a variety of habitats,including dry uplands,wooded lowlands,meadows,and many creeks and ponds in the low-lying areas.You are given the task of estimating the population size of a rare species of fern.Knowing that ferns can only grow in soils with high moisture,how might you go about estimating population size?

Accepted Answer

Because ferns only grow in moist soils,o

Question 20

Which is NOT a result of climate change affecting the predator prey relationships of Isle Royale?

Accepted Answer

A)  The moose population has decreased. 
B)  The wolf population has decreased. 
C)  The tick population has decreased. 
D)  The moose population has been weakened by ticks. 
E)  The moose population has been losing hair. 
A)  The moose population has decreased. 
B)  The wolf population has decreased. 
C)  The tick population has decreased. 
D)  The moose population has been weakened by ticks. 
E)  The moose population has been losing hair.

Exam 21: B: Population Ecology on the Tracks of Wolves and Moose

A plant with wind-dispersed seeds is most likely to grow in a ____ distribution.

The best example of exponential population growth would be an increase of _____ per generation.

Without an appropriate cave or other underground den where they can sleep through the winter,a bear will die.The abundance of caves,therefore,is a __________ factor and a(n)__________ factor influencing bear populations.

Removal of a predator from an ecosystem may do all of the following,EXCEPT

Most species on the planet have a _____ distribution.

A few years after a prey species population increases,the ____.

Place the population distribution pattern in order from most to least frequently encountered by ecologists.

Which behavior would most likely result in a uniform distribution pattern?

Which of these would NOT be useful in assessing a population's health?

Which of the following conditions indicates that a population is living at its carrying capacity?

Many predators have been hunted,trapped,or poisoned and are now absent from many ecosystems they inhabited 100 years ago.Why do conservationists make great efforts to reintroduce predators to these ecosystems? Specifically,what is it about predators that makes for a healthy ecosystem?

A flock of birds represents a _________ distribution pattern,while birds on a power line with six inches of space between each bird represents a _________ distribution pattern.

Butterflies eat flower nectar and birds eat butterflies.The butterflies,flowers,and birds constitute a(n)

You are speaking to someone who tells you that wolves should have never been reintroduced to Yellowstone National Park.What might you say to this person? What might you tell them about ecosystems and biodiversity?

An increase in the predator population that consumes herbivorous animals will cause

How does a low prey species population affect the population of a predator species?

Warmer temperatures have led to an increase of which population on Isle Royale?

Scat is _____.

Which is NOT a result of climate change affecting the predator prey relationships of Isle Royale?

The Process of Science Java Report

Chemistry and Molecules of Life Mission to Mars

Cell Function and Structure Wonder Drug

Nutrition,metabolism,enzymes the Peanut Butter Project

Energy Flow and Photosynthesis the Future of Fuel

Dietary Energy and Cellular Respiration Supersize Me

DNA Structure and Replication Biologically Unique

Genes to Proteins Medicine From Milk

Cell Division and Mitosis Natures Pharmacy

Mutations and Cancer Fighting Fate

Single-Gene Inheritance and Meiosis Rock for a Cause

Complex Inheritance Qa: Genetics

Stem Cells and Cell Differentiation Grow Your Own

Natural Selection and Adaptation Bugs That Resist Drugs

A: Nonadaptive Evolution and Speciation Urban Evolution

B: Nonadaptive Evolution and Speciation Urban Evolution

Evidence for Evolution a Fish With Fingers

Life on Earth Qa: Evolution

Prokaryotic Diversity Lost City

A: Eukaryotic Diversity Rain Forest Riches

B: Eukaryotic Diversity Rain Forest Riches

Human Evolution Skin Deep

A: Population Ecology on the Tracks of Wolves and Moose

A: Community Ecology Whats Happening to Honey Bees

B: Community Ecology Whats Happening to Honey Bees

A: Ecosystem Ecology the Heat Is on

B: Ecosystem Ecology the Heat Is on

A: Sustainability the Makings of a Green City

B: Sustainability the Makings of a Green City

A: Overview of Physiology Man Versus Mountain

B: Overview of Physiology Man Versus Mountain

Digestive System Drastic Measures

A: Cardiovascular System Death in Bogalusa

B: Cardiovascular System Death in Bogalusa

Respiratory System Peak Performance

A: Central Nervous System Smoke on the Brain

B: Central Nervous System Smoke on the Brain

Reproductive System Too Many Multiples

Immune System Viral Mysteries

A: Plant Physiology

B: Plant Physiology

Filters

Without an appropriate cave or other underground den where they can sleep through the winter,a bear will die.The abundance of caves,therefore,is a factor and a(n) factor influencing bear populations.

A flock of birds represents a _ distribution pattern,while birds on a power line with six inches of space between each bird represents a _ distribution pattern.