Question 1

A sink population maintains a positive growth rate and produces a surplus of individuals who immigrate elsewhere.

Accepted Answer

A) True 
 B)False  False

Question 2

The extinction rate (E)of a metapopulation ________ as the proportion of patches occupied (P)increases.

Accepted Answer

increases

Question 3

A ________ consists of a group of local, interacting subpopulations that are linked by dispersal.

Accepted Answer

metapopulation

Question 4

In a metapopulation, within-patch population dynamics are governed primarily by

Accepted Answer

A) birth and death rates. 
B) dispersal and colonization. 
C) predation and parasitism. 
D) stochastic processes. 
A) birth and death rates. 
B) dispersal and colonization. 
C) predation and parasitism. 
D) stochastic processes.

Question 5

Local extinctions will tend to strike the smallest populations.

Accepted Answer

A) True 
 B)False

Question 6

The probability of colonization increases with increasing patch size.

Accepted Answer

A) True 
 B)False

Question 7

Explain the relationship between patch size and habitat heterogeneity. Why is habitat heterogeneity a benefit to a population?

Accepted Answer

The relationship between patch size and

Question 8

Explain how territory fragmentation effects survival of metapopulations.

Accepted Answer

Genetic exchange between popul

Question 9

An interspecific metapopulation occurs when two species can ________ successfully.

Accepted Answer

A) occupy the same niche 
B) combine their subpopulations 
C) share resources 
D) hybridize 
A) occupy the same niche 
B) combine their subpopulations 
C) share resources 
D) hybridize

Question 10

Define an interspecific metapopulation. What are the repercussions of this concept in conservation management?

Accepted Answer

This is the hybridization of similar spe

Question 11

A ________ population cannot support a positive population growth and is only able to persist when individuals immigrate from elsewhere.

Accepted Answer

The answer of A ________ population cannot support a positive...

Question 12

A ________ population maintains a positive growth rate, producing a surplus of individuals who immigrate elsewhere.

Accepted Answer

The answer of A ________ population maintains a positive growth...

Question 13

Explain how extirpated subpopulations can re-establish themselves.

Accepted Answer

dispersal from neigh

Question 14

In a metapopulation, the probability of local extinction increases with

Accepted Answer

A) increasing patch size and increasing isolation. 
B) increasing patch size and decreasing isolation. 
C) decreasing patch size and increasing isolation. 
D) decreasing patch size and decreasing isolation. 
A) increasing patch size and increasing isolation. 
B) increasing patch size and decreasing isolation. 
C) decreasing patch size and increasing isolation. 
D) decreasing patch size and decreasing isolation.

Question 15

Which of the following factors can synchronize metapopulation dynamics?

Accepted Answer

A) environmental stochasticity 
B) prevention of dispersal 
C) death of immigrants 
D) heterogeneous patch quality 
A) environmental stochasticity 
B) prevention of dispersal 
C) death of immigrants 
D) heterogeneous patch quality

Question 16

Which of the following is the correct hierarchy of the population concept?

Accepted Answer

A) local population < metapopulation < subspecies < species 
B) metapopulation < local population < subspecies < species 
C) local population < metapopulation < species < subspecies 
D) metapopulation < local population < species < subspecies 
A) local population < metapopulation < subspecies < species 
B) metapopulation < local population < subspecies < species 
C) local population < metapopulation < species < subspecies 
D) metapopulation < local population < species < subspecies

Question 17

The rate of dispersal is highest in species that

Accepted Answer

A) occupy stable habitats. 
B) occupy isolated habitats. 
C) reproduce asexually. 
D) have high fecundity. 
A) occupy stable habitats. 
B) occupy isolated habitats. 
C) reproduce asexually. 
D) have high fecundity.

Question 18

The conversion of natural ecosystems to agricultural production tends to synchronize metapopulation dynamics.

Accepted Answer

A) True 
 B)False

Question 19

Population densities are usually ________ in smaller species than in large species.

Accepted Answer

The answer of Population densities are usually ________ in smaller...

Question 20

The probability of local extinction decreases with decreasing patch size.

Accepted Answer

A) True 
 B)False

Exam 12: Metapopulations

A sink population maintains a positive growth rate and produces a surplus of individuals who immigrate elsewhere.

The extinction rate (E)of a metapopulation ________ as the proportion of patches occupied (P)increases.

A ________ consists of a group of local, interacting subpopulations that are linked by dispersal.

In a metapopulation, within-patch population dynamics are governed primarily by

Local extinctions will tend to strike the smallest populations.

The probability of colonization increases with increasing patch size.

Explain the relationship between patch size and habitat heterogeneity. Why is habitat heterogeneity a benefit to a population?

Explain how territory fragmentation effects survival of metapopulations.

An interspecific metapopulation occurs when two species can ________ successfully.

Define an interspecific metapopulation. What are the repercussions of this concept in conservation management?

A ________ population cannot support a positive population growth and is only able to persist when individuals immigrate from elsewhere.

A ________ population maintains a positive growth rate, producing a surplus of individuals who immigrate elsewhere.

Explain how extirpated subpopulations can re-establish themselves.

In a metapopulation, the probability of local extinction increases with

Which of the following factors can synchronize metapopulation dynamics?

Which of the following is the correct hierarchy of the population concept?

The rate of dispersal is highest in species that

The conversion of natural ecosystems to agricultural production tends to synchronize metapopulation dynamics.

Population densities are usually ________ in smaller species than in large species.

The probability of local extinction decreases with decreasing patch size.

The Nature of Ecology

Climate

The Aquatic Environment

The Terrestrial Environment

Ecological Genetics: Adaptation and Natural Selection

Plant Adaptations to the Environment

Animal Adaptations to the Environment

Life History Patterns

Properties of Populations

Population Growth

Intraspecific Population Regulation

Interspecific Competition

Predation

Parasitism and Mutualism

Community Structure

Community Dynamics

Landscape Ecology

Systems Ecology

Ecosystem Energetic

Decomposition and Nutrient Cycling

Biogeochemical Cycles

Terrestrial Ecosystems

Aquatic Ecosystems

Coastal and Wetland Ecosystems

Population Growth, Resource Use, and Sustainability

Conservation Ecology

Global Climate Change

Filters