Question 1

Logistic population growth describes growth without limitation.

Accepted Answer

A) True 
 B)False

Question 2

A cohort is a group of individuals of the same gender.

Accepted Answer

A) True 
 B)False

Question 3

Categorize each trait as belonging predominantly to an r-selected species or a K-selected species.
-short maturation time

Accepted Answer

A)  r-selected
B)  K-selectedC) A) and B)
D) undefined

Question 4

Match each term with its definition.
-logistic model

Accepted Answer

A)  population increasing steadily by a constant ratio
B)  average number of offspring produced by females during each age interval
C)  population growth slowing as population approaches K
D)  number of individuals per unit area or unit volume
E)  movement out of a populationF) B) and D)
G) C) and E)

Question 5

Match each description to an equation.
-logistic model of population growth

Accepted Answer

A)  ÄN/Ät = B - D
B)  dN/dt = (b - d) N
C)  dN/dt = rmaxN
D)  d = (D/N) 
E)  dN/dt = rmaxN(K - N) /KF) C) and E)
G) D) and E)

Question 6

Match each statement with the most appropriate survivorship curve.
-high juvenile mortality followed by increased chance of survival as adult

Accepted Answer

A)  type I
B)  type II
C)  type IIID) None of the above
E) A) and C)

Question 7

Suppose a human population has an age structure diagram that is narrower at the base than at the top. What would that population have?

Accepted Answer

A)   an r value > 0
B)   (K - N) /K 
C)   an r value 
D)   an r value = 0E) A) and B)
F) A) and C)

Question 8

Uniform dispersion usually results from individuals of a species attracting each other.

Accepted Answer

A) True 
 B)False

Question 9

Match each description to an equation.
-per capita death rate

Accepted Answer

A)  ÄN/Ät = B - D
B)  dN/dt = (b - d) N
C)  dN/dt = rmaxN
D)  d = (D/N) 
E)  dN/dt = rmaxN(K - N) /KF) C) and E)
G) A) and B)

Question 10

Categorize each trait as belonging predominantly to an r-selected species or a K-selected species.
-large offspring

Accepted Answer

A)  r-selected
B)  K-selectedC) A) and B)
D) undefined

Question 11

Clumped populations may reflect the distribution of essential resources.

Accepted Answer

A) True 
 B)False

Question 12

Use the list of terms to identify each lettered part of the illustration. 
-pre-reproductive

Accepted Answer

The answer of Use the list of terms to identify...

Question 13

Categorize each trait as belonging predominantly to an r-selected species or a K-selected species.
-one reproductive episode

Accepted Answer

A)  r-selected
B)  K-selectedC) A) and B)
D) undefined

Question 14

Match each term with its definition.
-age-specific fecundity

Accepted Answer

A)  population increasing steadily by a constant ratio
B)  average number of offspring produced by females during each age interval
C)  population growth slowing as population approaches K
D)  number of individuals per unit area or unit volume
E)  movement out of a populationF) A) and B)
G) A) and C)

Question 15

Use the list of terms to identify each lettered part of the illustration. 
-zero growth

Accepted Answer

The answer of Use the list of terms to identify...

Question 16

In the logistic model of population growth, what is expected to happen to r when N > K?

Accepted Answer

A)   r will approach rmax.
B)   r will be greater than 0.
C)   r will approach 1.
D)   r will be less than 0.E) A) and C)
F) All of the above

Question 17

Match each description to an equation.
-exponential model of population growth

Accepted Answer

A)  ÄN/Ät = B - D
B)  dN/dt = (b - d) N
C)  dN/dt = rmaxN
D)  d = (D/N) 
E)  dN/dt = rmaxN(K - N) /KF) B) and D)
G) C) and D)

Question 18

What effect did golden eagles colonized on the Channel Islands have on the population of island foxes?

Accepted Answer

After golden eagles colonized the Channe...

Question 19

Figure 29-1 
-Sea turtles are likely to die when they are young, but if they reach a large size, they have a good chance of surviving. Which survivorship curve in Figure 29-1 best fits sea turtles?

Accepted Answer

A)   type I, shown in graph C
B)   type II, shown in graph B
C)   type III, shown in graph A
D)   type III, shown in graph CE) A) and C)
F) None of the above

Question 20

Categorize each trait as belonging predominantly to an r-selected species or a K-selected species.
-good tolerance of environmental change

Accepted Answer

A)  r-selected
B)  K-selectedC) A) and B)
D) undefined

Exam 29: Population Ecology

Match each term with its definition. -logistic model

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Categorize each trait as belonging predominantly to an r-selected species or a K-selected species. -good tolerance of environmental change

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Suppose a human population has an age structure diagram that is narrower at the base than at the top. What would that population have?

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Match each description to an equation. -exponential model of population growth

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Match each statement with the most appropriate survivorship curve. -high juvenile mortality followed by increased chance of survival as adult

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Figure 29-1 -Sea turtles are likely to die when they are young, but if they reach a large size, they have a good chance of surviving. Which survivorship curve in Figure 29-1 best fits sea turtles?

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Categorize each trait as belonging predominantly to an r-selected species or a K-selected species. -large offspring

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A cohort is a group of individuals of the same gender.

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Logistic population growth describes growth without limitation.

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Categorize each trait as belonging predominantly to an r-selected species or a K-selected species. -short maturation time

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Uniform dispersion usually results from individuals of a species attracting each other.

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Match each description to an equation. -per capita death rate

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Categorize each trait as belonging predominantly to an r-selected species or a K-selected species. -one reproductive episode

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Match each term with its definition. -age-specific fecundity

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Match each description to an equation. -logistic model of population growth

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In the logistic model of population growth, what is expected to happen to r when N > K?

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Use the list of terms to identify each lettered part of the illustration. -zero growth

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Use the list of terms to identify each lettered part of the illustration. -pre-reproductive

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What effect did golden eagles colonized on the Channel Islands have on the population of island foxes?

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Clumped populations may reflect the distribution of essential resources.

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After golden eagles colonized the Channe...
View Answer

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