Question 1

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-selected 
A) r-selected 
B) K-selected

Question 2

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 < 1 C) an r value < 0 D) an r value = 0 A) an r value > 0 B) (K - N)/K < 1 C) an r value < 0 D) an r value = 0

Question 3

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-selected 
A) r-selected 
B) K-selected

Question 4

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-selected 
A) r-selected 
B) K-selected

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

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 7

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)/K 
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)/K

Question 8

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-selected 
A) r-selected 
B) K-selected

Question 9

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 10

Logistic population growth describes growth without limitation.

Accepted Answer

A) True 
 B)False

Question 11

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)/K 
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)/K

Question 12

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 C 
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 C

Question 13

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 population 
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 population

Question 14

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

Accepted Answer

A) True 
 B)False

Question 15

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 population 
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 population

Question 16

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 17

Clumped populations may reflect the distribution of essential resources.

Accepted Answer

A) True 
 B)False

Question 18

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 III 
A) type I 
B) type II 
C) type III

Question 19

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)/K 
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)/K

Question 20

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. 
A)  r will approach rmax. 
B)  r will be greater than 0. 
C)  r will approach 1. 
D)  r will be less than 0.

Exam 29: Population Ecology

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

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

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

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

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

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

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

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

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

Logistic population growth describes growth without limitation.

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

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?

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

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

Match each term with its definition. -logistic model

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

Clumped populations may reflect the distribution of essential resources.

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

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

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

Light and Life

The Cell: an Overview

Energy and Enzymes

Cell Membranes and Signaling

Cellular Respiration

Photosynthesis

Cell Cycles

Genetic Recombination

The Chromosomal Basis of Mendelian Inheritance

Genetic Linkage, Sex-Linkage, and Other Non-Mendelian Inheritance Mechanisms

DNA Structure, Replication, and Repair

Gene Structure Expression, and Mutation

Regulation of Gene Expression

Dna Technologies

Genomes

Evolution: the Development of the Theory

Microevolution: Changes Within Populations

Speciation and Macroevolution

Systematics and Phylogenetics: Revealing the Tree of Life

Humans and Evolution

Defining Life and Its Origins

Viruses, Viroids, and Prions: Infectious Biological Particles

Bacteria and Archaea

Protists

Fungi

Plants

Animals

Conservation of Biodiversity

Species Interactions and Community Ecology

Ecosystems

Animal Behaviour

Organization of the Plant Body

Transport in Plants

Reproduction and Development in Flowering Plants

Plant Nutrition

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Animal Nutrition

Gas Exchange: the Respiratory System

Internal Transport: the Circulatory System

Regulation of the Internal Environment: Water, Solutes, and Temperature

Control of Animal Processes: Endocrine Control

Animal Reproduction

Control of Animal Processes: Neural Control

Muscles, Skeletons, and Body Movements

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