Question 1

Variation among sub populations is measured by the F-statistic __________.

Accepted Answer

The answer of Variation among sub populations is measured by...

Question 2

Responses to variation fall into two main categories: __________ in which the adaptations are genetic and __________ in which the environment induces developmental changes.

Accepted Answer

Ecotypes;

Question 3

Subspecies or races

Accepted Answer

A)  cannot interbreed. 
B)  are morphologically distinct. 
C)  inhabit the same region. 
D)  all of the above 
E)  none of the above 
A)  cannot interbreed. 
B)  are morphologically distinct. 
C)  inhabit the same region. 
D)  all of the above 
E)  none of the above

Question 4

__________ is the ultimate source of additive genetic variation in a population.

Accepted Answer

The answer of __________ is the ultimate source of additive...

Question 5

Transient orcas feed primarily on marine mammals.

Accepted Answer

A) True 
 B)False

Question 6

A population bottleneck may decrease the value of Ne.

Accepted Answer

A) True 
 B)False

Question 7

In Nei's index of genetic similarity, the value IN

Accepted Answer

A)  increases when the allele frequencies in the two populations are very different. 
B)  increases when the allele frequencies of the two populations are similar. 
C)  is independent of the allele frequencies. 
D)  is determined by the number of genetic loci. 
E)  none of the above 
A)  increases when the allele frequencies in the two populations are very different. 
B)  increases when the allele frequencies of the two populations are similar. 
C)  is independent of the allele frequencies. 
D)  is determined by the number of genetic loci. 
E)  none of the above

Question 8

Damsel fish in high wave exposure sites differ from those from low wave exposure have

Accepted Answer

A)  lower aspect ratios. 
B)  lower metabolic rates. 
C)  a larger ratio of fin length to width. 
D)  a smaller ratio of fin length to width. 
E)  none of the above 
A)  lower aspect ratios. 
B)  lower metabolic rates. 
C)  a larger ratio of fin length to width. 
D)  a smaller ratio of fin length to width. 
E)  none of the above

Question 9

FST measures the genetic variation within subpopulations.

Accepted Answer

A) True 
 B)False

Question 10

Sex is not an evolutionarily stable strategy.

Accepted Answer

A) True 
 B)False

Question 11

Sex is not an ESS because it

Accepted Answer

A)  can increase in frequency when it is rare. 
B)  cannot increase in frequency when it is rare. 
C)  depends on additive genetic variance. 
D)  produces new genotypes. 
E)  none of the above 
A)  can increase in frequency when it is rare. 
B)  cannot increase in frequency when it is rare. 
C)  depends on additive genetic variance. 
D)  produces new genotypes. 
E)  none of the above

Question 12

FST is a measure of the

Accepted Answer

A)  total variation in a set of populations. 
B)  variation within a population. 
C)  variation due to additive genetic variance. 
D)  variation among populations 
E)  none of the above 
A)  total variation in a set of populations. 
B)  variation within a population. 
C)  variation due to additive genetic variance. 
D)  variation among populations 
E)  none of the above

Question 13

In grizzlies Ne is only 25 percent of N. This is a concern because it

Accepted Answer

A)  may lead to large values of FIT. 
B)  causes an in genetic variation. 
C)  leads to population bottlenecks. 
D)  leads to increased genetic drift. 
E)  none of the above 
A)  may lead to large values of FIT. 
B)  causes an in genetic variation. 
C)  leads to population bottlenecks. 
D)  leads to increased genetic drift. 
E)  none of the above

Question 14

Variation in flower color in the elderflower orchid is maintained by

Accepted Answer

A)  increased nectar in the rare morph. 
B)  phenotypic plasticity. 
C)  additive genetic variance. 
D)  temporal shifts in the environment. 
E)  none of the above 
A)  increased nectar in the rare morph. 
B)  phenotypic plasticity. 
C)  additive genetic variance. 
D)  temporal shifts in the environment. 
E)  none of the above

Variation among sub populations is measured by the F-statistic __________.

Responses to variation fall into two main categories: in which the adaptations are genetic and in which the environment induces developmental changes.

Subspecies or races

__________ is the ultimate source of additive genetic variation in a population.

Transient orcas feed primarily on marine mammals.

A population bottleneck may decrease the value of N_e.

In Nei's index of genetic similarity, the value I_N

Damsel fish in high wave exposure sites differ from those from low wave exposure have

F_ST measures the genetic variation within subpopulations.

Sex is not an evolutionarily stable strategy.

Sex is not an ESS because it

F_ST is a measure of the

In grizzlies N_e is only 25 percent of N. This is a concern because it

Variation in flower color in the elderflower orchid is maintained by

Introduction to Ecology

Adaptation and Evolution

Adaptations to the Physical Environment

Terrestrial Communities

Fresh-water and Marine Communities

Behavioral Ecology

Demography

Population Regulation

Life History Strategies

Competition

Coevolution I Exploitative Interactions

Mutualism

The Structure of Communities

Ecological Succession

Species Diversity

Energy Flow and Trophic Structure

Biogeochemical Cycles

Conservation Biology

Landscape Ecology

Human Global Ecology

Filters

Exam 7: The Ecology of Intraspecific Variation

Variation among sub populations is measured by the F-statistic __________.

Responses to variation fall into two main categories: __________ in which the adaptations are genetic and __________ in which the environment induces developmental changes.

Subspecies or races

__________ is the ultimate source of additive genetic variation in a population.

Transient orcas feed primarily on marine mammals.

A population bottleneck may decrease the value of Ne.

In Nei's index of genetic similarity, the value IN

Damsel fish in high wave exposure sites differ from those from low wave exposure have

FST measures the genetic variation within subpopulations.

Sex is not an evolutionarily stable strategy.

Sex is not an ESS because it

FST is a measure of the

In grizzlies Ne is only 25 percent of N. This is a concern because it

Variation in flower color in the elderflower orchid is maintained by

Introduction to Ecology

Adaptation and Evolution

Adaptations to the Physical Environment

Terrestrial Communities

Fresh-water and Marine Communities

Behavioral Ecology

Demography

Population Regulation

Life History Strategies

Competition

Coevolution I Exploitative Interactions

Mutualism

The Structure of Communities

Ecological Succession

Species Diversity

Energy Flow and Trophic Structure

Biogeochemical Cycles

Conservation Biology

Landscape Ecology

Human Global Ecology

Filters

Responses to variation fall into two main categories: in which the adaptations are genetic and in which the environment induces developmental changes.

A population bottleneck may decrease the value of N_e.

In Nei's index of genetic similarity, the value I_N

F_ST measures the genetic variation within subpopulations.

F_ST is a measure of the

In grizzlies N_e is only 25 percent of N. This is a concern because it