Question 1

__________ show more variation in life history traits than any other group.

Accepted Answer

A) All of the choices show equal amounts of variation in life history traits. 
B) Mammals 
C) Birds 
D) Reptiles 
E) Fish 
A) All of the choices show equal amounts of variation in life history traits. 
B) Mammals 
C) Birds 
D) Reptiles 
E) Fish

Question 2

A polymorphic locus is one that

Accepted Answer

A) codes for more than one protein. 
B) codes for both protein and lipid. 
C) occurs in a population as more than one allele. 
D) occurs on more than one chromosome. 
E) can cause more than one phenotype in an individual,depending on the environment. 
A) codes for more than one protein. 
B) codes for both protein and lipid. 
C) occurs in a population as more than one allele. 
D) occurs on more than one chromosome. 
E) can cause more than one phenotype in an individual,depending on the environment.

Question 3

A fish maturing late with large body size and producing many small offspring would be said to have a(n)

Accepted Answer

A) periodic life history. 
B) opportunistic life history. 
C) equilibrium life history. 
D) precocial life history. 
E) stress-tolerant life history. 
A) periodic life history. 
B) opportunistic life history. 
C) equilibrium life history. 
D) precocial life history. 
E) stress-tolerant life history.

Question 4

In Grime's classification,stress-tolerant plants

Accepted Answer

A) live under conditions of high stress and also high disturbance. 
B) grow rapidly. 
C) are very palatable to herbivores. 
D) conserve nutrients and water. 
E) All of the choices are correct. 
A) live under conditions of high stress and also high disturbance. 
B) grow rapidly. 
C) are very palatable to herbivores. 
D) conserve nutrients and water. 
E) All of the choices are correct.

Question 5

The study of the relationship between climate and the timing of ecological events is called

Accepted Answer

A) ecology. 
B) phenology. 
C) oenology. 
D) climatology. 
E) life history theory. 
A) ecology. 
B) phenology. 
C) oenology. 
D) climatology. 
E) life history theory.

Question 6

The principle of allocation states

Accepted Answer

A) if an organism uses energy for one function it reduces the amount of energy available for other functions. 
B) organisms have a tendency to select the smallest prey available rather than exert more energy in capturing larger prey. 
C) organisms that build larger nests produce fewer offspring. 
D) organisms have a tendency to allocate more time and energy to a single preferred offspring while neglecting others. 
E) plants allocate their energy such that larger seedlings come from smaller seeds. 
A) if an organism uses energy for one function it reduces the amount of energy available for other functions. 
B) organisms have a tendency to select the smallest prey available rather than exert more energy in capturing larger prey. 
C) organisms that build larger nests produce fewer offspring. 
D) organisms have a tendency to allocate more time and energy to a single preferred offspring while neglecting others. 
E) plants allocate their energy such that larger seedlings come from smaller seeds.

Question 7

The "K" in "K-selection" comes from the

Accepted Answer

A) ecologist who coined it,Astrid Kodric-Brown. 
B) shape of the age-vs.-mortality-rate plot for K-selected species. 
C) "K" in the logistic growth equation. 
D) Greek letter "kappa," symbolizing fecundity. 
E) None of the choices are correct. 
A) ecologist who coined it,Astrid Kodric-Brown. 
B) shape of the age-vs.-mortality-rate plot for K-selected species. 
C) "K" in the logistic growth equation. 
D) Greek letter "kappa," symbolizing fecundity. 
E) None of the choices are correct.

Question 8

Which of the following is NOT true of riparian plant communities?

Accepted Answer

A) plant species adapted to frequent disturbance by flooding 
B) plant species dependent on flooding often dominant 
C) low species diversity,compared to surrounding terrestrial communities 
D) high population densities,compared to surrounding terrestrial communities 
E) seriously impacted by human activities 
A) plant species adapted to frequent disturbance by flooding 
B) plant species dependent on flooding often dominant 
C) low species diversity,compared to surrounding terrestrial communities 
D) high population densities,compared to surrounding terrestrial communities 
E) seriously impacted by human activities

Question 9

Because natural selection has shaped fish life histories,

Accepted Answer

A) fish species with high adult mortality tend to mature at a younger age. 
B) fish species with high adult mortality tend to mature at an older age. 
C) fish species with high adult mortality tend to invest relatively large amounts of energy in reproduction. 
D) Both fish species with high adult mortality tend to mature at a younger age and fish species with high adult mortality tend to invest relatively large amounts of energy in reproduction are true. 
E) Both fish species with high adult mortality tend to mature at an older age and fish species with high adult mortality tend to invest relatively large amounts of energy in reproduction are true. 
A) fish species with high adult mortality tend to mature at a younger age. 
B) fish species with high adult mortality tend to mature at an older age. 
C) fish species with high adult mortality tend to invest relatively large amounts of energy in reproduction. 
D) Both fish species with high adult mortality tend to mature at a younger age and fish species with high adult mortality tend to invest relatively large amounts of energy in reproduction are true. 
E) Both fish species with high adult mortality tend to mature at an older age and fish species with high adult mortality tend to invest relatively large amounts of energy in reproduction are true.

__________ show more variation in life history traits than any other group.

A polymorphic locus is one that

A fish maturing late with large body size and producing many small offspring would be said to have a(n)

In Grime's classification,stress-tolerant plants

The study of the relationship between climate and the timing of ecological events is called

The principle of allocation states

The "K" in "K-selection" comes from the

Which of the following is NOT true of riparian plant communities?

Because natural selection has shaped fish life histories,

Introduction to Ecology: Historical Foundations and Developing Frontiers

Life on Land

Life in Water

Population Genetics and Natural Selection

Temperature Relations

Water Relations

Energy and Nutrient Relations

Social Relations

Population Distribution and Abundance

Population Dynamics

Population Growth

Competition

Exploitative Interactions: Predation, herbivory, parasitism, and Disease

Mutualism

Species Abundance and Diversity

Species Interactions and Community Structure

Primary Production and Energy Flow

Nutrient Cycling and Retention

Succession and Stability

Landscape Ecology

Geographic Ecology

Global Ecology

Filters

Exam 12: Life Histories

__________ show more variation in life history traits than any other group.

A polymorphic locus is one that

A fish maturing late with large body size and producing many small offspring would be said to have a(n)

In Grime's classification,stress-tolerant plants

The study of the relationship between climate and the timing of ecological events is called

The principle of allocation states

The "K" in "K-selection" comes from the

Which of the following is NOT true of riparian plant communities?

Because natural selection has shaped fish life histories,

Introduction to Ecology: Historical Foundations and Developing Frontiers

Life on Land

Life in Water

Population Genetics and Natural Selection

Temperature Relations

Water Relations

Energy and Nutrient Relations

Social Relations

Population Distribution and Abundance

Population Dynamics

Population Growth

Competition

Exploitative Interactions: Predation, herbivory, parasitism, and Disease

Mutualism

Species Abundance and Diversity

Species Interactions and Community Structure

Primary Production and Energy Flow

Nutrient Cycling and Retention

Succession and Stability

Landscape Ecology

Geographic Ecology

Global Ecology

Filters