Question 1

Inbreeding

Accepted Answer

A)  increases the frequency of heterozygotes by 2pqF. 
B)  decreases the frequency of homozygotes by pqF. 
C)  increases the chances of deleterious genes combining. 
D)  increases the total genetic variation of the population. 
E)  none of the above 
A)  increases the frequency of heterozygotes by 2pqF. 
B)  decreases the frequency of homozygotes by pqF. 
C)  increases the chances of deleterious genes combining. 
D)  increases the total genetic variation of the population. 
E)  none of the above C

Question 2

The extinction vortex is a positive feedback system that increases the probability of extinction.

Accepted Answer

A) True 
 B)False  True

Question 3

The Minimum Viable Population (MVP) is the minimum population size that avoids inbreeding depression.

Accepted Answer

A) True 
 B)False  False

Question 4

Inbreeding depression is the result of increased homozygosity.

Accepted Answer

A) True 
 B)False

Question 5

Cowbirds are at risk due to edge effects.

Accepted Answer

A) True 
 B)False

Question 6

How does the fitness Allee Effect differ from the Allee Effect?

Accepted Answer

In the Fitness Allee Effect it

Question 7

If a population conforms to the equation dN/dt = rN(K-N)/K,

Accepted Answer

A)  density dependent factors can protect a population from extinction. 
B)  extinction occurs at an exponential rate. 
C)  the growth rate is positive if N>K. 
D)  extinction risk is measured by the variable K. 
E)  none of the above 
A)  density dependent factors can protect a population from extinction. 
B)  extinction occurs at an exponential rate. 
C)  the growth rate is positive if N>K. 
D)  extinction risk is measured by the variable K. 
E)  none of the above

Question 8

Which of the following is not affected by demographic stochasticity?

Accepted Answer

A)  sex ratio 
B)  λ 
C)  bx 
D)  R0 
E)  none of the above 
A)  sex ratio 
B)  λ 
C)  bx 
D)  R0 
E)  none of the above

Question 9

About 2 million species have been identified and named.

Accepted Answer

A) True 
 B)False

Question 10

A relaxation fauna forms when

Accepted Answer

A)  a new species diversity equilibrium develops. 
B)  the stresses of climate change are reduced. 
C)  the immigration rate exceeds the extinction rate. 
D)  the extinction rate exceeds the immigration rate. 
E)  none of the above 
A)  a new species diversity equilibrium develops. 
B)  the stresses of climate change are reduced. 
C)  the immigration rate exceeds the extinction rate. 
D)  the extinction rate exceeds the immigration rate. 
E)  none of the above

Question 11

The theory of island biogeography can be applied to fragmented habitats.

Accepted Answer

A) True 
 B)False

Question 12

One reason grizzlies are at risk in the Rocky Mountains is that

Accepted Answer

A)  their sex ratio is highly skewed. 
B)  Ne is greater than N. 
C)  homozygosity is declining. 
D)  heterozygosity is declining. 
E)  none of the above 
A)  their sex ratio is highly skewed. 
B)  Ne is greater than N. 
C)  homozygosity is declining. 
D)  heterozygosity is declining. 
E)  none of the above

Question 13

What is the difference between a fixed-effort harvest and a fixed-quota harvest?

Accepted Answer

A fixed effort harvest indirectly limits

Question 14

The Allee Effect occurs when the growth rate of a population declines at high density.

Accepted Answer

A) True 
 B)False

Question 15

The species on coral reefs are at risk of extinction due to __________.

Accepted Answer

increased

Question 16

Hotspots of species diversity

Accepted Answer

A)  are found at high latitude. 
B)  contain many endemics. 
C)  occur where beetle diversity is high. 
D)  are well protected from human impacts. 
E)  none of the above 
A)  are found at high latitude. 
B)  contain many endemics. 
C)  occur where beetle diversity is high. 
D)  are well protected from human impacts. 
E)  none of the above

Question 17

Demographic stochasticity is the result of random changes in population parameters.

Accepted Answer

A) True 
 B)False

Question 18

What is the difference between demographic and environmental stochasticity?

Accepted Answer

Demographic stochasticity is t

Question 19

The maximum rate of harvest occurs at the highest population density.

Accepted Answer

A) True 
 B)False

Question 20

The study of myrtle by González-Varo et al. (2015) showed that Myrtle

Accepted Answer

A)  shows a significant extinction debt from past disturbance. 
B)  occurrence is negatively associated with current patch size. 
C)  occurrence is positively associated with patch disturbance. 
D)  occurrence occurs in small, disturbed patches. 
E)  none of the above 
A)  shows a significant extinction debt from past disturbance. 
B)  occurrence is negatively associated with current patch size. 
C)  occurrence is positively associated with patch disturbance. 
D)  occurrence occurs in small, disturbed patches. 
E)  none of the above

Exam 19: Conservation Biology

Inbreeding

The extinction vortex is a positive feedback system that increases the probability of extinction.

The Minimum Viable Population (MVP) is the minimum population size that avoids inbreeding depression.

Inbreeding depression is the result of increased homozygosity.

Cowbirds are at risk due to edge effects.

How does the fitness Allee Effect differ from the Allee Effect?

If a population conforms to the equation dN/dt = rN(K-N)/K,

Which of the following is not affected by demographic stochasticity?

About 2 million species have been identified and named.

A relaxation fauna forms when

The theory of island biogeography can be applied to fragmented habitats.

One reason grizzlies are at risk in the Rocky Mountains is that

What is the difference between a fixed-effort harvest and a fixed-quota harvest?

The Allee Effect occurs when the growth rate of a population declines at high density.

The species on coral reefs are at risk of extinction due to __________.

Hotspots of species diversity

Demographic stochasticity is the result of random changes in population parameters.

What is the difference between demographic and environmental stochasticity?

The maximum rate of harvest occurs at the highest population density.

The study of myrtle by González-Varo et al. (2015) showed that Myrtle

Introduction to Ecology

Adaptation and Evolution

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

Landscape Ecology

Human Global Ecology

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