Question 1

Which of the following represents exponential population growth?

Accepted Answer

A)  100→110→120→130→140 
B)  100→110→130→160→200 
C)  100→110→121→133→146 
D)  100→150→200→250→300 
E)  100→150→250→450→850 
A)  100→110→120→130→140 
B)  100→110→130→160→200 
C)  100→110→121→133→146 
D)  100→150→200→250→300 
E)  100→150→250→450→850

Question 2

What information could be obtained from wolf scat?

Accepted Answer

A)  DNA profiles 
B)  vegetation preference 
C)  presence of arthritis 
D)  amount of urea 
E)  time since last meal 
A)  DNA profiles 
B)  vegetation preference 
C)  presence of arthritis 
D)  amount of urea 
E)  time since last meal

Question 3

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

Accepted Answer

It will allow an inc

Question 4

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 5

Why do trees fluctuate with wolf-moose,predator-prey population cycles?

Accepted Answer

A)  They are a predator food source. 
B)  They are a prey food source. 
C)  They are dependent on predators. 
D)  They are dependent on decomposers. 
E)  They grow best when the ends of branches are eaten. 
A)  They are a predator food source. 
B)  They are a prey food source. 
C)  They are dependent on predators. 
D)  They are dependent on decomposers. 
E)  They grow best when the ends of branches are eaten.

Question 6

In the absence of a predator species,herbivores like moose _____.

Accepted Answer

A)  will continue to have an exponential growth rate 
B)  will almost always die off because of the presence of density-dependent diseases 
C)  may exceed carrying capacity and have a fast die-off 
D)  will evolve to no longer require predators to balance their population size 
E)  may eventually become omnivores 
A)  will continue to have an exponential growth rate 
B)  will almost always die off because of the presence of density-dependent diseases 
C)  may exceed carrying capacity and have a fast die-off 
D)  will evolve to no longer require predators to balance their population size 
E)  may eventually become omnivores

Question 7

The geographic distribution of a population is influenced by all of the following,EXCEPT

Accepted Answer

A)  resources. 
B)  behavior. 
C)  number of young born. 
D)  predator avoidance. 
E)  environment. 
A)  resources. 
B)  behavior. 
C)  number of young born. 
D)  predator avoidance. 
E)  environment.

Question 8

A researcher who investigates how flooding affects the different populations on an island is most interested in which level of organization?

Accepted Answer

A)  ecosystem 
B)  community 
C)  biome 
D)  individual 
E)  biosphere 
A)  ecosystem 
B)  community 
C)  biome 
D)  individual 
E)  biosphere

Question 9

The predator species on Isle Royale is the

Accepted Answer

A)  moose. 
B)  wolf. 
C)  plants. 
D)  ravens. 
E)  caribou. 
A)  moose. 
B)  wolf. 
C)  plants. 
D)  ravens. 
E)  caribou.

Question 10

Which of the following most accurately describes the population cycles of moose and wolves on Isle Royale?

Accepted Answer

A)  Moose and wolf populations stay at carrying capacity. 
B)  Moose populations stay at carrying capacity, while wolf populations rise and fall. 
C)  Moose populations rise and fall, while wolf populations stay at carrying capacity. 
D)  Moose and wolf populations rise and fall at the same time. 
E)  Moose and wolf populations rise and fall, but wolf populations peak a few years after the moose population peaks. 
A)  Moose and wolf populations stay at carrying capacity. 
B)  Moose populations stay at carrying capacity, while wolf populations rise and fall. 
C)  Moose populations rise and fall, while wolf populations stay at carrying capacity. 
D)  Moose and wolf populations rise and fall at the same time. 
E)  Moose and wolf populations rise and fall, but wolf populations peak a few years after the moose population peaks.

Question 11

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 12

Why do populations rise and fall around carrying capacity instead of just remaining stable at carrying capacity?

Accepted Answer

Populations grow until they exceed carry

Question 13

Why do ecologists count representative samples of a population and not the total population under study?

Accepted Answer

A)  to get a precise number 
B)  because it is impractical to count all the members of the population 
C)  because it is the way that ecologists study ecosystems 
D)  to get an estimate before counting the whole population 
E)  because a representative sample more accurately reflects the carrying capacity 
A)  to get a precise number 
B)  because it is impractical to count all the members of the population 
C)  because it is the way that ecologists study ecosystems 
D)  to get an estimate before counting the whole population 
E)  because a representative sample more accurately reflects the carrying capacity

Question 14

The ocean,sand,rocks,plants,seagulls,and invertebrates represent 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 15

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 16

How do predators reduce the impact of disease on prey species populations?

Accepted Answer

Predators often remove the weakest indiv

Question 17

The prey species on Isle Royale is the

Accepted Answer

A)  moose. 
B)  wolf. 
C)  fox. 
D)  ravens. 
E)  caribou. 
A)  moose. 
B)  wolf. 
C)  fox. 
D)  ravens. 
E)  caribou.

Question 18

How do the population curves of predator and prey relate to each other?

Accepted Answer

A)  A decrease in prey is followed by an increase in predators. 
B)  An increase in the prey population is followed by an increase in predators. 
C)  An increase in the predator population is followed by an increase in prey. 
D)  Both populations level off once carrying capacity is reached. 
E)  An increase in the prey population is followed by a decrease in predators. 
A)  A decrease in prey is followed by an increase in predators. 
B)  An increase in the prey population is followed by an increase in predators. 
C)  An increase in the predator population is followed by an increase in prey. 
D)  Both populations level off once carrying capacity is reached. 
E)  An increase in the prey population is followed by a decrease in predators.

Question 19

What is the difference between a community and an ecosystem?

Accepted Answer

A community consists of intera

Question 20

How can an abiotic factor be a density-dependent factor as well? Give an example.

Accepted Answer

Abiotic factors play a role in shaping t

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

Which of the following represents exponential population growth?

What information could be obtained from wolf scat?

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

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?

Why do trees fluctuate with wolf-moose,predator-prey population cycles?

In the absence of a predator species,herbivores like moose _____.

The geographic distribution of a population is influenced by all of the following,EXCEPT

A researcher who investigates how flooding affects the different populations on an island is most interested in which level of organization?

The predator species on Isle Royale is the

Which of the following most accurately describes the population cycles of moose and wolves on Isle Royale?

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

Why do populations rise and fall around carrying capacity instead of just remaining stable at carrying capacity?

Why do ecologists count representative samples of a population and not the total population under study?

The ocean,sand,rocks,plants,seagulls,and invertebrates represent a(n)

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

How do predators reduce the impact of disease on prey species populations?

The prey species on Isle Royale is the

How do the population curves of predator and prey relate to each other?

What is the difference between a community and an ecosystem?

How can an abiotic factor be a density-dependent factor as well? Give an example.

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

B: 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