Question 1

In Figure 5.9,at what age will a tree with a leaf area of 3.0 cm have a 40% chance of reproduction?

Accepted Answer

A)  At 2 years of age 
B)  At 3 years of age 
C)  At 5 years of age 
D)  At 6 years of age or later 
A)  At 2 years of age 
B)  At 3 years of age 
C)  At 5 years of age 
D)  At 6 years of age or later

Question 2

You find a lake that is 50 meters in diameter while you are exploring part of a very arid environment in the southwest United States.You have surveyed 100's of kilometers of this habitat and found no other lakes.It appears to be fed by some underground seep.In it there are many small fish.Which of the following best describes these fish?

Accepted Answer

A)  These fish are semelparous annual 
B)  The fish are a population 
C)  These fish are semelparous perennial 
D)  The fish are likely modular 
A)  These fish are semelparous annual 
B)  The fish are a population 
C)  These fish are semelparous perennial 
D)  The fish are likely modular

Question 3

What term describes individuals of a population that are all born within a particular period?

Accepted Answer

A)  Symbiont 
B)  Cohort 
C)  Guild 
D)  None of the above 
A)  Symbiont 
B)  Cohort 
C)  Guild 
D)  None of the above

Question 4

Based on the survivorship curves shown in Figure 5.13,which depicts circumstances where risk of mortality is greatest at older ages?

Accepted Answer

A)  Type I 
B)  Type II 
C)  Type III 
D)  Type I and II 
A)  Type I 
B)  Type II 
C)  Type III 
D)  Type I and II

Question 5

If dN/dt = rN,then any increase in the population will be _______

Accepted Answer

A)  Linear 
B)  Logistic 
C)  Exponential 
D)  S-shaped 
A)  Linear 
B)  Logistic 
C)  Exponential 
D)  S-shaped

Question 6

Which of the following are examples of migration?

Accepted Answer

A)  Directional movement of a large number of a species from one location to another. 
B)  Monarchs flying to Mexico once a year then returning to distant parts of North America later in the year. 
C)  Individuals moving away from one another. 
D)  Humpback whales traveling to warmer waters to give birth to calves. 
A)  Directional movement of a large number of a species from one location to another. 
B)  Monarchs flying to Mexico once a year then returning to distant parts of North America later in the year. 
C)  Individuals moving away from one another. 
D)  Humpback whales traveling to warmer waters to give birth to calves.

Question 7

You are not sure what type of organism you are studying,but you know that it has a definitive number of developmental stages and body parts.It is also motile.How would you classify this organism?

Accepted Answer

A)  This organism should be classified as a genet 
B)  It should be classified as a unitary organism 
C)  It should not be classified at all. 
D)  This should be classified as a modular organism 
A)  This organism should be classified as a genet 
B)  It should be classified as a unitary organism 
C)  It should not be classified at all. 
D)  This should be classified as a modular organism

Question 8

Which of the following are necessary for determining average density?

Accepted Answer

A)  The total number of individuals 
B)  The original number of individuals at a location prior to dispersal 
C)  The total size of a habitat 
D)  The total population size 3 generations ago 
A)  The total number of individuals 
B)  The original number of individuals at a location prior to dispersal 
C)  The total size of a habitat 
D)  The total population size 3 generations ago

Question 9

What term describes a group of individuals of one species?

Accepted Answer

A)  Cohort 
B)  Population 
C)  Carrying capacity 
D)  Guild 
A)  Cohort 
B)  Population 
C)  Carrying capacity 
D)  Guild

Question 10

When an individual male leaves a pack in search of its own territory,this is referred to as _________?

Accepted Answer

A)  Migration 
B)  Dispersal 
C)  Exodus 
D)  None of the above 
A)  Migration 
B)  Dispersal 
C)  Exodus 
D)  None of the above

In Figure 5.9,at what age will a tree with a leaf area of 3.0 cm have a 40% chance of reproduction?

What term describes individuals of a population that are all born within a particular period?

Based on the survivorship curves shown in Figure 5.13,which depicts circumstances where risk of mortality is greatest at older ages?

If dN/dt = rN,then any increase in the population will be _______

Which of the following are examples of migration?

You are not sure what type of organism you are studying,but you know that it has a definitive number of developmental stages and body parts.It is also motile.How would you classify this organism?

Which of the following are necessary for determining average density?

What term describes a group of individuals of one species?

When an individual male leaves a pack in search of its own territory,this is referred to as _________?

Ecology and How to Do It

Ecology’s Evolutionary Backdrop

Physical Conditions and the Availability of Resources

Climate and the World’s Biomes

Interspecific Competition

Predation, Grazing and Disease

Molecular and Evolutionary Ecology

From Populations to Communities

Patterns in Species Richness

The Flux of Energy and Matter Through Ecosystems

Global Biogeochemical Cycles and Their Alteration by Humans

Conservation Ecology

The Ecology of Human Population Growth, Disease, and Food Supply

Filters

Exam 5: Birth, Death and Movement

In Figure 5.9,at what age will a tree with a leaf area of 3.0 cm have a 40% chance of reproduction?

What term describes individuals of a population that are all born within a particular period?

Based on the survivorship curves shown in Figure 5.13,which depicts circumstances where risk of mortality is greatest at older ages?

If dN/dt = rN,then any increase in the population will be _______

Which of the following are examples of migration?

You are not sure what type of organism you are studying,but you know that it has a definitive number of developmental stages and body parts.It is also motile.How would you classify this organism?

Which of the following are necessary for determining average density?

What term describes a group of individuals of one species?

When an individual male leaves a pack in search of its own territory,this is referred to as _________?

Ecology and How to Do It

Ecology’s Evolutionary Backdrop

Physical Conditions and the Availability of Resources

Climate and the World’s Biomes

Interspecific Competition

Predation, Grazing and Disease

Molecular and Evolutionary Ecology

From Populations to Communities

Patterns in Species Richness

The Flux of Energy and Matter Through Ecosystems

Global Biogeochemical Cycles and Their Alteration by Humans

Conservation Ecology

The Ecology of Human Population Growth, Disease, and Food Supply

Filters