Question 1

The regular fluctuations in size of animal populations are termed

Accepted Answer

A) population cycles. 
B) population dynamics. 
C) growth factors. 
D) all of the above. 
A) population cycles. 
B) population dynamics. 
C) growth factors. 
D) all of the above. A

Question 2

What can we NOT determine from examining age pyramids of human populations?

Accepted Answer

A) the future population size 
B) how populations reproduce 
C) the success of future generations 
D) the fecundity of a future population 
E) the age structure of the population 
A) the future population size 
B) how populations reproduce 
C) the success of future generations 
D) the fecundity of a future population 
E) the age structure of the population C

Question 3

Assuming that these populations are density dependent,what is the likely outcome if the system depicted in the figure above were allowed to continue?

Accepted Answer

A) Population growth would continue to be discontinuous. 
B) Individual growth would continue to be indeterminate. 
C) Population growth would likely decrease. 
D) Populations would go extinct. 
A) Population growth would continue to be discontinuous. 
B) Individual growth would continue to be indeterminate. 
C) Population growth would likely decrease. 
D) Populations would go extinct. C

Question 4

Figure 52.5  
-In the figure above,which of the arrows represents the most rapid growth?

Accepted Answer

A) arrow A 
B) arrow B 
C) arrow C 
A) arrow A 
B) arrow B 
C) arrow C

Question 5

It is estimated that snow geese will be able to sustain an r of 0.088 indefinitely.If the flock currently contains 3000 individuals,how long will it take to double?

Accepted Answer

A) 7)9 years 
B) 34.1 years 
C) 264 years 
A) 7)9 years 
B) 34.1 years 
C) 264 years

Question 6

Figure 52.9  
-Which of the two graphs in the figure above shows a population of organisms that has a strong population cycle?

Accepted Answer

A) (a) 
B) (b) 
C) both show identical cycles 
A) (a) 
B) (b) 
C) both show identical cycles

Question 7

It is estimated that a flock of wood buffalo crane should be able to sustain an r of 0.085 for the foreseeable future.If the flock currently contains 350 individuals,how long will it take for that population to double?

Accepted Answer

A) 8 years 
B) 13 years 
C) 15 years 
D) 21 years 
A) 8 years 
B) 13 years 
C) 15 years 
D) 21 years

Question 8

Figure 52.7  
-Using information from the table above,calculate the net reproductive rate (R₀)for this population.

Accepted Answer

A) 2)00 
B) 3)26 
C) 1)30 
D) 1)00 
A) 2)00 
B) 3)26 
C) 1)30 
D) 1)00

Question 9

Based on the information in the abstract,which of the following statements is the most correct?

Accepted Answer

A) If long-term contribution to colonization of a fragment increases,the metapopulation would destabilize. 
B) If long-term contribution to colonization of a fragment decreases,the metapopulation would stabilize. 
C) If long-term contribution to colonization of a fragment increases,the metapopulation would have more fragments. 
D) If long-term contribution to colonization of a fragment decreases,the metapopulation would disappear. 
E) If long-term contribution to colonization of a fragment increases,the metapopulation would grow exponentially. 
A) If long-term contribution to colonization of a fragment increases,the metapopulation would destabilize. 
B) If long-term contribution to colonization of a fragment decreases,the metapopulation would stabilize. 
C) If long-term contribution to colonization of a fragment increases,the metapopulation would have more fragments. 
D) If long-term contribution to colonization of a fragment decreases,the metapopulation would disappear. 
E) If long-term contribution to colonization of a fragment increases,the metapopulation would grow exponentially.

Question 10

During the Lacerta vivipara lizard study,researchers monitored individuals on a daily basis to document the number of young produced by each female in the wild.What would be the best way to obtain the same type of data but not have to visit the site every day?

Accepted Answer

A) Capture animals and implant tracking devices. 
B) Install cameras on site to monitor lizard movement. 
C) Capture animals twice per year and count them. 
D) Try the study in an isolated population in the lab. 
A) Capture animals and implant tracking devices. 
B) Install cameras on site to monitor lizard movement. 
C) Capture animals twice per year and count them. 
D) Try the study in an isolated population in the lab.

Question 11

Which of these terms defines how the organism allocates resources to growth,reproduction,and activities or structures related to survival?

Accepted Answer

A) resource allocation 
B) life history 
C) energy budget 
D) demography 
A) resource allocation 
B) life history 
C) energy budget 
D) demography

Question 12

Figure 52.12  
-The figure above represents the dynamics of

Accepted Answer

A) metapopulations. 
B) extinction. 
C) emigration. 
D) both metapopulations and extinction. 
E) both extinction and emigration. 
A) metapopulations. 
B) extinction. 
C) emigration. 
D) both metapopulations and extinction. 
E) both extinction and emigration.

Question 13

Figure 52.14  
-Looking at the data in the figure above from the hare/lynx experiment,what conclusion can you draw?

Accepted Answer

A) Hares control lynx population size. 
B) Lynx control hare population size. 
C) Lynx and hare populations are independent of each other. 
D) Hare populations are limited by both predation and food availability. 
A) Hares control lynx population size. 
B) Lynx control hare population size. 
C) Lynx and hare populations are independent of each other. 
D) Hare populations are limited by both predation and food availability.

Question 14

Figure 52.7  
-Using information from the table above,which year was the most successful for the population?

Accepted Answer

A) year 0 
B) year 1 
C) year 5 
D) The figure does not provide this information. 
A) year 0 
B) year 1 
C) year 5 
D) The figure does not provide this information.

Question 15

Figure 52.15  
-Looking at the figure above,what is contributing significantly to stabilizing population size over time?

Accepted Answer

A) no migration 
B) low migration 
C) high migration 
D) none of the above 
A) no migration 
B) low migration 
C) high migration 
D) none of the above

Question 16

Figure 52.3  
-Looking at figure above,the white rhinoceros [more than 1 000 kg (2 200 lb)] is likely to exhibit which of the following?

Accepted Answer

A) survivorship curve A and a SHORT generation time. 
B) survivorship curve C and a SHORT generation time. 
C) survivorship curve A and a LONG generation time. 
D) survivorship curve B and a LONG generation time. 
E) survivorship curve C and a LONG generation time. 
A) survivorship curve A and a SHORT generation time. 
B) survivorship curve C and a SHORT generation time. 
C) survivorship curve A and a LONG generation time. 
D) survivorship curve B and a LONG generation time. 
E) survivorship curve C and a LONG generation time.

Question 17

Figure 52.9  
-Assuming graph (b)in Figure 52.8 is the result of some experimental treatment,what can be concluded?

Accepted Answer

A) The experimental treatment exacerbated the population cycling. 
B) The experimental treatment did not affect population cycling in this species. 
C) The experimental treatment has most likely identified the cause of population cycling. 
D) None of the above answers applies. 
A) The experimental treatment exacerbated the population cycling. 
B) The experimental treatment did not affect population cycling in this species. 
C) The experimental treatment has most likely identified the cause of population cycling. 
D) None of the above answers applies.

Question 18

Figure 52.2  
-Looking at the data in the figure above,what can be said about survival and clutch size?

Accepted Answer

A) Animals with low survival tend to have low clutch sizes. 
B) High clutch sizes tend to produce animals with low survival. 
C) Animals with high fecundity tend to live longer. 
D) Animals with high fecundity tend not to live as long as animals with low fecundity. 
A) Animals with low survival tend to have low clutch sizes. 
B) High clutch sizes tend to produce animals with low survival. 
C) Animals with high fecundity tend to live longer. 
D) Animals with high fecundity tend not to live as long as animals with low fecundity.

Question 19

A model that estimates the likelihood that a population will avoid extinction for a given period of time is called a(n)

Accepted Answer

A) metapopulation. 
B) population viability analysis. 
C) age pyramid. 
D) life table. 
A) metapopulation. 
B) population viability analysis. 
C) age pyramid. 
D) life table.

Question 20

Figure 52.4  
-In the figure above,which of the lines represents the highest per-capita rate increase (r)?

Accepted Answer

A) line A 
B) line B 
C) line C 
D) line D 
A) line A 
B) line B 
C) line C 
D) line D

Exam 52: Population Ecology

The regular fluctuations in size of animal populations are termed

What can we NOT determine from examining age pyramids of human populations?

Assuming that these populations are density dependent,what is the likely outcome if the system depicted in the figure above were allowed to continue?

Figure 52.5 -In the figure above,which of the arrows represents the most rapid growth?

It is estimated that snow geese will be able to sustain an r of 0.088 indefinitely.If the flock currently contains 3000 individuals,how long will it take to double?

Figure 52.9 -Which of the two graphs in the figure above shows a population of organisms that has a strong population cycle?

It is estimated that a flock of wood buffalo crane should be able to sustain an r of 0.085 for the foreseeable future.If the flock currently contains 350 individuals,how long will it take for that population to double?

Figure 52.7 -Using information from the table above,calculate the net reproductive rate (R₀)for this population.

Based on the information in the abstract,which of the following statements is the most correct?

During the Lacerta vivipara lizard study,researchers monitored individuals on a daily basis to document the number of young produced by each female in the wild.What would be the best way to obtain the same type of data but not have to visit the site every day?

Which of these terms defines how the organism allocates resources to growth,reproduction,and activities or structures related to survival?

Figure 52.12 -The figure above represents the dynamics of

Figure 52.14 -Looking at the data in the figure above from the hare/lynx experiment,what conclusion can you draw?

Figure 52.7 -Using information from the table above,which year was the most successful for the population?

Figure 52.15 -Looking at the figure above,what is contributing significantly to stabilizing population size over time?

Figure 52.3 -Looking at figure above,the white rhinoceros [more than 1 000 kg (2 200 lb)] is likely to exhibit which of the following?

Figure 52.9 -Assuming graph (b)in Figure 52.8 is the result of some experimental treatment,what can be concluded?

Figure 52.2 -Looking at the data in the figure above,what can be said about survival and clutch size?

A model that estimates the likelihood that a population will avoid extinction for a given period of time is called a(n)

Figure 52.4 -In the figure above,which of the lines represents the highest per-capita rate increase (r)?

Biology and the Tree of Life

Water and Carbon: the Chemical Basis of Life

Protein Structure and Function

Nucleic Acids and the Rna World

An Introduction to Carbohydrates

Lipids, membranes, and the First Cells

Inside the Cell

Cell-Cell Interactions

Cellular Respiration and Fermentation

Photosynthesis

The Cell Cycle

Meiosis

Mendel and the Gene

Dna and the Gene: Synthesis and Repair

How Genes Work

Transcription, RNA Processing, and Translation

Control of Gene Expression in Bacteria

Control of Gene Expression in Eukaryotes

Analyzing and Engineering Genes

Genomics

Principles of Development

An Introduction to Animal Development

An Introduction to Plant Development

Evolution by Natural Selection

Evolutionary Processes

Speciation

Phylogenies and the History of Life

Bacteria and Archaea

Protists

Green Algae and Land Plants

Fungi

An Introduction to Animals

Protostome Animals

Deuterostome Animals

Viruses

Plant Form and Function

Water and Sugar Transport in Plants

Plant Nutrition

Plant Sensory Systems, signals, and Responses

Plant Reproduction

Animal Form and Function

Water and Electrolyte Balance in Animals

Animal Nutrition

Gas Exchange and Circulation

Electrical Signals in Animals

Animal Sensory Systems and Movement

Chemical Signals in Animals

Animal Reproduction

The Immune System in Animals

An Introduction to Ecology

Behavioural Ecology

Community Ecology

Ecosystems

Biodiversity and Conservation Biology

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