Question 1

Which statement about K is false?

Accepted Answer

A) K varies among populations. 
B) K varies in space. 
C) K varies in time. 
D) K is specific for a given species. 
A) K varies among populations. 
B) K varies in space. 
C) K varies in time. 
D) K is specific for a given species.

Question 2

Figure 52.8  
-Based on the graphs in the figure above from the Park Grass study,which species declines in population over time?

Accepted Answer

A) Tragopogon pratensis 
B) Trifolium pratense 
C) Conopodium majus 
D) All species populations decline at some point in time. 
A) Tragopogon pratensis 
B) Trifolium pratense 
C) Conopodium majus 
D) All species populations decline at some point in time.

Question 3

Why can't a female lizard have both high fecundity and high survival?

Accepted Answer

A) Only in rare cases do lizards have both high fecundity and high survival. 
B) Female lizards are able to produce only one set of offspring. 
C) Competition for resources prevents this. 
D) The more energy the female devotes to offspring,the less that can be devoted to her survival. 
A) Only in rare cases do lizards have both high fecundity and high survival. 
B) Female lizards are able to produce only one set of offspring. 
C) Competition for resources prevents this. 
D) The more energy the female devotes to offspring,the less that can be devoted to her survival.

Question 4

Figure 52.11  
-Based on the diagrams in the figure above and on the large population of baby boomers in Canada,what graph best reflects Canadian population in 20 years?

Accepted Answer

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

Question 5

Figure 52.7  
-Using information from the table above,how would you describe the population dynamics of L.vivipara?

Accepted Answer

A) The population is increasing. 
B) The population is decreasing. 
C) The population is stable. 
D) The figure does not provide this information. 
A) The population is increasing. 
B) The population is decreasing. 
C) The population is stable. 
D) The figure does not provide this information.

Question 6

The study of factors that determine the size and structure of populations through time is called

Accepted Answer

A) population ecology. 
B) immigration. 
C) demography. 
D) populations. 
A) population ecology. 
B) immigration. 
C) demography. 
D) populations.

Question 7

Figure 52.10  
-Based on the graphs in the figure above,which of them represents a primrose species (a plant)growing in high light availability?

Accepted Answer

A) (a) 
B) (b) 
C) cannot determine with this information 
A) (a) 
B) (b) 
C) cannot determine with this information

Question 8

Figure 52.10  
-Which of the following statements about the graphs in the figure above is FALSE?

Accepted Answer

A) Primrose populations in large gaps (high light)have many juveniles. 
B) Primrose populations in small gaps (low light)have few juveniles. 
C) Primrose populations change in structure over time. 
D) The age structure of primrose determines the gap size. 
E) All of the above statements are true. 
A) Primrose populations in large gaps (high light)have many juveniles. 
B) Primrose populations in small gaps (low light)have few juveniles. 
C) Primrose populations change in structure over time. 
D) The age structure of primrose determines the gap size. 
E) All of the above statements are true.

Question 9

You observe two female fish of the same species breeding.One female lays 100 eggs and the other female lays 1000 eggs.Which one of the following statements does not agree with the concept of fitness trade-offs?

Accepted Answer

A) The female laying 100 eggs should be able to breed more often compared to the female laying 1000 eggs. 
B) The female laying 100 eggs should live longer than the female laying 1000 eggs. 
C) The eggs from the female laying 1000 eggs should have larger yolks compared to the yolks of the eggs from the female laying 100 eggs. 
D) The female laying 1000 eggs should be larger than the female laying 100 eggs. 
A) The female laying 100 eggs should be able to breed more often compared to the female laying 1000 eggs. 
B) The female laying 100 eggs should live longer than the female laying 1000 eggs. 
C) The eggs from the female laying 1000 eggs should have larger yolks compared to the yolks of the eggs from the female laying 100 eggs. 
D) The female laying 1000 eggs should be larger than the female laying 100 eggs.

Exam 52: Population Ecology

Which statement about K is false?

Figure 52.8 -Based on the graphs in the figure above from the Park Grass study,which species declines in population over time?

Why can't a female lizard have both high fecundity and high survival?

Figure 52.11 -Based on the diagrams in the figure above and on the large population of baby boomers in Canada,what graph best reflects Canadian population in 20 years?

Figure 52.7 -Using information from the table above,how would you describe the population dynamics of L.vivipara?

The study of factors that determine the size and structure of populations through time is called

Figure 52.10 -Based on the graphs in the figure above,which of them represents a primrose species (a plant)growing in high light availability?

Figure 52.10 -Which of the following statements about the graphs in the figure above is FALSE?

You observe two female fish of the same species breeding.One female lays 100 eggs and the other female lays 1000 eggs.Which one of the following statements does not agree with the concept of fitness trade-offs?

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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