Question 1

How was Darwin's theory of evolution incomplete?

Accepted Answer

Darwin did not have a correct

Question 2

Directional selection eliminates the average individuals.

Accepted Answer

A) True 
 B)False

Question 3

Resistance to pesticides

Accepted Answer

A)  arises by genetic drift. 
B)  is an example of gene flow. 
C)  is the result of long-term changes in the pesticide. 
D)  is independent of the selection coefficient. 
E)  none of the above 
A)  arises by genetic drift. 
B)  is an example of gene flow. 
C)  is the result of long-term changes in the pesticide. 
D)  is independent of the selection coefficient. 
E)  none of the above

Question 4

__________ is one factor that decreases the value of Ne.

Accepted Answer

Question 5

Darwin was interested in marine iguanas because

Accepted Answer

A)  they provided food for the expedition. 
B)  their behavior interested him. 
C)  they differed from land iguanas. 
D)  a and b 
E)  b and c 
A)  they provided food for the expedition. 
B)  their behavior interested him. 
C)  they differed from land iguanas. 
D)  a and b 
E)  b and c

Question 6

Genetic drift

Accepted Answer

A)  always opposes natural selection. 
B)  is more significant in small populations. 
C)  is the result of gene flow. 
D)  depends on the fitness of the alleles. 
E)  none of the above 
A)  always opposes natural selection. 
B)  is more significant in small populations. 
C)  is the result of gene flow. 
D)  depends on the fitness of the alleles. 
E)  none of the above

Question 7

Ecotypes are the result of phenotypic plasticity.

Accepted Answer

A) True 
 B)False

Question 8

Heritability and the selection coefficient determine the rate of evolution.

Accepted Answer

A) True 
 B)False

Question 9

If the value of q = 0.78, the value of p is __________.

Accepted Answer

The answer of If the value of q = 0.78,...

Question 10

If the value of p = 1.0 we say that the allele is __________.

Accepted Answer

The answer of If the value of p = 1.0...

Question 11

Mutation pressure changes the effective population size

Accepted Answer

A) True 
 B)False

Question 12

An organism's phenotype

Accepted Answer

A)  is determined only by its genotype. 
B)  is independent of its genotype. 
C)  is an example of mutation. 
D)  does not evolve. 
E)  none of the above 
A)  is determined only by its genotype. 
B)  is independent of its genotype. 
C)  is an example of mutation. 
D)  does not evolve. 
E)  none of the above

Question 13

For a population of 100 individuals in which 60 are homozygous dominant (AA), 20 are heterozygous (Aa), and 20 are homozygous recessive (aa), the value of p is

Accepted Answer

A)  0.6. 
B)  0.2. 
C)  0.7. 
D)  0.5. 
E)  1.0. 
A)  0.6. 
B)  0.2. 
C)  0.7. 
D)  0.5. 
E)  1.0.

How was Darwin's theory of evolution incomplete?

Directional selection eliminates the average individuals.

Resistance to pesticides

__________ is one factor that decreases the value of N_e.

Darwin was interested in marine iguanas because

Genetic drift

Ecotypes are the result of phenotypic plasticity.

Heritability and the selection coefficient determine the rate of evolution.

If the value of q = 0.78, the value of p is __________.

If the value of p = 1.0 we say that the allele is __________.

Mutation pressure changes the effective population size

An organism's phenotype

For a population of 100 individuals in which 60 are homozygous dominant (AA), 20 are heterozygous (Aa), and 20 are homozygous recessive (aa), the value of p is

Introduction to Ecology

Adaptations to the Physical Environment

Terrestrial Communities

Fresh-water and Marine Communities

Behavioral Ecology

The Ecology of Intraspecific Variation

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 2: Adaptation and Evolution

How was Darwin's theory of evolution incomplete?

Directional selection eliminates the average individuals.

Resistance to pesticides

__________ is one factor that decreases the value of Ne.

Darwin was interested in marine iguanas because

Genetic drift

Ecotypes are the result of phenotypic plasticity.

Heritability and the selection coefficient determine the rate of evolution.

If the value of q = 0.78, the value of p is __________.

If the value of p = 1.0 we say that the allele is __________.

Mutation pressure changes the effective population size

An organism's phenotype

For a population of 100 individuals in which 60 are homozygous dominant (AA), 20 are heterozygous (Aa), and 20 are homozygous recessive (aa), the value of p is

Introduction to Ecology

Adaptations to the Physical Environment

Terrestrial Communities

Fresh-water and Marine Communities

Behavioral Ecology

The Ecology of Intraspecific Variation

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

__________ is one factor that decreases the value of N_e.