Question 1

Categorize each trait as belonging predominantly to an r-selected species or a K-selected species.
-low mortality rate

Accepted Answer

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

Question 2

Malaria is a disease that is spread by mosquito bites. What causes it?

Accepted Answer

A)  a worm 
B)  a parasite 
C)  a virus 
D)  a decomposer 
A)  a worm 
B)  a parasite 
C)  a virus 
D)  a decomposer

Question 3

Categorize each trait as belonging predominantly to an r-selected species or a K-selected species.
-long life span

Accepted Answer

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

Question 4

Which of the following regions will experience a huge increase in their population growth rates over the next 20 or 25 years?

Accepted Answer

A)  Russia 
B)  Western Europe 
C)  Australia 
D)  Africa 
A)  Russia 
B)  Western Europe 
C)  Australia 
D)  Africa

Question 5

What are some density-dependent factors that affect humans at higher population densities, and how have these been addressed in industrial societies?

Accepted Answer

Competition for all resources increases

Question 6

Suppose that you are studying generation time in a population. Which of the following are you most likely studying?

Accepted Answer

A)  the average time between the birth of an organism and the birth of its offspring in the population 
B)  the average duration of life of organisms in the population 
C)  the average success in reproduction of organisms in the population 
D)  the success of predation in the population 
A)  the average time between the birth of an organism and the birth of its offspring in the population 
B)  the average duration of life of organisms in the population 
C)  the average success in reproduction of organisms in the population 
D)  the success of predation in the population

Question 7

Match each term with its definition.
-emigration

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 8

What does the allocation of resources for survival, growth, and maximal reproduction determine?

Accepted Answer

A)  the life history of a species 
B)  the survivorship curve of a species 
C)  the dispersion of a species 
D)  the age-specific fecundity of a species 
A)  the life history of a species 
B)  the survivorship curve of a species 
C)  the dispersion of a species 
D)  the age-specific fecundity of a species

Question 9

Which of the following is descriptive of a population experiencing exponential population growth?

Accepted Answer

A)  The graph of growth produces an S-shaped curve. 
B)  ÄN/Ät is increasing. 
C)  The population decreases at an increasing rate. 
D)  The resources are limited. 
A)  The graph of growth produces an S-shaped curve. 
B)  ÄN/Ät is increasing. 
C)  The population decreases at an increasing rate. 
D)  The resources are limited.

Question 10

Categorize each trait as belonging predominantly to an r-selected species or a K-selected species.
-early timing of first reproduction

Accepted Answer

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

Question 11

"Humans have two options for limiting population growth: we can make a global effort to limit our own population, or we can wait until the environment does it for us." Briefly address each scenario. What methods would result in a successful global decline in birth rate? What environmental events are the alternatives?

Accepted Answer

Government-sponsored family planning pro

Question 12

Parasitism is a density-independent factor of population control.

Accepted Answer

A) True 
 B)False

Question 13

What characteristics are consistent with a K-selected species? Where do humans fall on the r through K continuum?

Accepted Answer

K-selected species tend to have larger b

Question 14

Match each statement with the most appropriate survivorship curve.
-constant rate of mortality in all age classes

Accepted Answer

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

Question 15

What would a human population living without medical care in Third World conditions probably have?

Accepted Answer

A)  an r value = 0 
B)  a pyramid-shaped age structure diagram 
C)  a rectangle-shaped age structure diagram 
D)  an r value < 0 
A)  an r value = 0 
B)  a pyramid-shaped age structure diagram 
C)  a rectangle-shaped age structure diagram 
D)  an r value < 0

Question 16

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

Accepted Answer

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

Question 17

Categorize each trait as belonging predominantly to an r-selected species or a K-selected species.
-little or no parental care

Accepted Answer

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

Question 18

At which stage of a country's demographic transition do birth rates generally reach their highest point?

Accepted Answer

A)  at the preindustrial stage 
B)  at the transitional stage 
C)  at the post-industrial stage 
D)  at the industrial stage 
A)  at the preindustrial stage 
B)  at the transitional stage 
C)  at the post-industrial stage 
D)  at the industrial stage

Question 19

Match each term with its definition.
-exponential population growth

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 20

Categorize each trait as belonging predominantly to an r-selected species or a K-selected species.
-small clutch or brood size

Accepted Answer

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

Exam 29: Population Ecology

Categorize each trait as belonging predominantly to an r-selected species or a K-selected species. -low mortality rate

Malaria is a disease that is spread by mosquito bites. What causes it?

Categorize each trait as belonging predominantly to an r-selected species or a K-selected species. -long life span

Which of the following regions will experience a huge increase in their population growth rates over the next 20 or 25 years?

What are some density-dependent factors that affect humans at higher population densities, and how have these been addressed in industrial societies?

Suppose that you are studying generation time in a population. Which of the following are you most likely studying?

Match each term with its definition. -emigration

What does the allocation of resources for survival, growth, and maximal reproduction determine?

Which of the following is descriptive of a population experiencing exponential population growth?

Categorize each trait as belonging predominantly to an r-selected species or a K-selected species. -early timing of first reproduction

Parasitism is a density-independent factor of population control.

What characteristics are consistent with a K-selected species? Where do humans fall on the r through K continuum?

Match each statement with the most appropriate survivorship curve. -constant rate of mortality in all age classes

What would a human population living without medical care in Third World conditions probably have?

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

Categorize each trait as belonging predominantly to an r-selected species or a K-selected species. -little or no parental care

At which stage of a country's demographic transition do birth rates generally reach their highest point?

Match each term with its definition. -exponential population growth

Categorize each trait as belonging predominantly to an r-selected species or a K-selected species. -small clutch or brood size

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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