Question 1

Highly developed countries are most likely to be characterized by which of the following?

Accepted Answer

A)  High fertility rates 
B)  Low GNI PPPs 
C)  High doubling times 
D)  Low use of contraception 
E)  high infant mortality rates 
A)  High fertility rates 
B)  Low GNI PPPs 
C)  High doubling times 
D)  Low use of contraception 
E)  high infant mortality rates

Question 2

By the end of the 21st century, it is expected that the human population will:

Accepted Answer

A)  increase at the fastest rate in the highly developed countries. 
B)  increase at the fastest rate in the less developed countries. 
C)  increase at similar rates in all countries. 
D)  decrease at similar rates in all countries. 
E)  achieve zero population growth. 
A)  increase at the fastest rate in the highly developed countries. 
B)  increase at the fastest rate in the less developed countries. 
C)  increase at similar rates in all countries. 
D)  decrease at similar rates in all countries. 
E)  achieve zero population growth.

Question 3

Which factors are an example of a negative feedback system?

Accepted Answer

A)  Density dependent 
B)  Density independent 
C)  Intraspecific competition 
D)  Interspecific competition 
E)  Scramble competition 
A)  Density dependent 
B)  Density independent 
C)  Intraspecific competition 
D)  Interspecific competition 
E)  Scramble competition

Question 4

Compare and contrast r -selected and K -selected organisms. Give examples of both plant and animal species that fit each category.

Accepted Answer

Concepts to Consider: r -selected organi

Question 5

K strategists typically produce large numbers of offspring.

Accepted Answer

A) True 
 B)False

Question 6

Oysters have a(n) Type-II survivorship curve.

Accepted Answer

A) True 
 B)False

Question 7

Differentiate between density-dependent and density-independent factors affecting population growth. Provide two examples for each, along with a brief explanation.

Accepted Answer

Concepts to Consider: Density-dependent

Question 8

A population that is divided into several local populations among which individuals occasionally disperse (emigrate and immigrate) is known as a:

Accepted Answer

A)  metapopulation. 
B)  life table. 
C)  survivorship curve. 
D)  source population. 
E)  sink population. 
A)  metapopulation. 
B)  life table. 
C)  survivorship curve. 
D)  source population. 
E)  sink population.

Question 9

Figure 53-4 ​
 
​
The accompanying figure is representative of:

Accepted Answer

A)  exponential growth. 
B)  iteroparity. 
C)  Type I survivorship. 
D)  Type III survivorship. 
E)  Type II survivorship. 
A)  exponential growth. 
B)  iteroparity. 
C)  Type I survivorship. 
D)  Type III survivorship. 
E)  Type II survivorship.

Question 10

Which of the following is an INCORRECT statement regarding exploitation competition?

Accepted Answer

A)  All individuals in a population "share" the limited resource more or less equally. 
B)  At high population densities, none of the individuals in a population obtains an adequate amount of the limited resource. 
C)  The populations often oscillate over time. 
D)  There is always a risk that the populations will drop to zero. 
E)  Red grouse populations exhibit exploitation competition. 
A)  All individuals in a population "share" the limited resource more or less equally. 
B)  At high population densities, none of the individuals in a population obtains an adequate amount of the limited resource. 
C)  The populations often oscillate over time. 
D)  There is always a risk that the populations will drop to zero. 
E)  Red grouse populations exhibit exploitation competition.

Question 11

Match between columns
                        Premises: Affect populations in unpredictable ways

Accepted Answer

The Answer of Density dependent and Density independent is...

Question 12

A density-dependent factor is an example of a negative feedback system.

Accepted Answer

A) True 
 B)False

Question 13

Figure 53-6 ​
 
​
Figure 53-6 represents the age structure diagram of:

Accepted Answer

A)  the transition stage. 
B)  the preindustrial state. 
C)  a moderately developed country. 
D)  a developing country. 
E)  a highly developed country. 
A)  the transition stage. 
B)  the preindustrial state. 
C)  a moderately developed country. 
D)  a developing country. 
E)  a highly developed country.

Question 14

Match between columns
                        Premises: Can cause an decrease in birth rate

Accepted Answer

The Answer of Density dependent and Density independent is...

Question 15

Species that exhibit repeated reproductive cycles are said to be semelparous.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following pairs is incorrectly matched?

Accepted Answer

A)  Highly developed countries-infant mortality rate close to 7 per 1000 
B)  Moderately developed countries-fertility rate near 2 
C)  Less developed countries-fertility rate near 5 
D)  Worldwide-27% of the population is less than 15 years old 
E)  United States-doubling time 100 years 
A)  Highly developed countries-infant mortality rate close to 7 per 1000 
B)  Moderately developed countries-fertility rate near 2 
C)  Less developed countries-fertility rate near 5 
D)  Worldwide-27% of the population is less than 15 years old 
E)  United States-doubling time 100 years

Question 17

Explain how environmental degradation is related to population growth and resource consumption

Accepted Answer

Concepts to Consider: In general environ

Question 18

Iteroparity is common in which of the following organisms?

Accepted Answer

A)  Perennial herbaceous plants 
B)  Most insects 
C)  Agaves 
D)  Most invertebrates 
E)  Pacific salmon 
A)  Perennial herbaceous plants 
B)  Most insects 
C)  Agaves 
D)  Most invertebrates 
E)  Pacific salmon

Question 19

Which of the following have local reproductive success that is less than the local mortality?

Accepted Answer

A)  Metahabitats 
B)  Sink habitats 
C)  Source populations 
D)  Source habitats 
E)  K-selected populations 
A)  Metahabitats 
B)  Sink habitats 
C)  Source populations 
D)  Source habitats 
E)  K-selected populations

Question 20

Match between columns
                        Premises: Also known as scramble competition

Accepted Answer

The Answer of Exploitation competition and Interference competition is...

Exam 53: Introduction to Ecology: Population Ecology

Highly developed countries are most likely to be characterized by which of the following?

By the end of the 21st century, it is expected that the human population will:

Which factors are an example of a negative feedback system?

Compare and contrast r -selected and K -selected organisms. Give examples of both plant and animal species that fit each category.

K strategists typically produce large numbers of offspring.

Oysters have a(n) Type-II survivorship curve.

Differentiate between density-dependent and density-independent factors affecting population growth. Provide two examples for each, along with a brief explanation.

A population that is divided into several local populations among which individuals occasionally disperse (emigrate and immigrate) is known as a:

Figure 53-4 ​ ​ The accompanying figure is representative of:

Which of the following is an INCORRECT statement regarding exploitation competition?

A density-dependent factor is an example of a negative feedback system.

Figure 53-6 ​ ​ Figure 53-6 represents the age structure diagram of:

Species that exhibit repeated reproductive cycles are said to be semelparous.

Which of the following pairs is incorrectly matched?

Explain how environmental degradation is related to population growth and resource consumption

Iteroparity is common in which of the following organisms?

Which of the following have local reproductive success that is less than the local mortality?

A View of Life

Atoms and Molecules: the Chemical Basis of Life

The Chemistry of Life: Organic Compounds

Organization of the Cell

Biological Membranes

Cell Communication

Energy and Metabolism

How Cells Make Atp: Energy-Releasing Pathways

Photosynthesis: Capturing Light Energy

Chromosomes, Mitosis, and Meiosis

The Basic Principles of Heredity

DNA: The Carrier of Genetic Information

Gene Expression

Gene Regulation

DNA Technology and Genomics

Human Genetics and the Human Genome

Developmental Genetics

Introduction to Darwinian Evolution

Evolutionary Change in Populations

Speciation and Macroevolution

The Origin and Evolutionary History of Life

The Evolution of Primates

Understanding Diversity: Systematics

Viruses and Subviral Agents

Bacteria and Archaea

Protists

Seedless Plants

Seed Plants

The Fungi

An Introduction to Animal Diversity

Sponges, Cnidarians, Ctenophores, and Protostomes

The Deuterostomes

Plant Structure, Growth, and Development

Leaf Structure and Function

Stem Structure and Transport

Roots and Mineral Nutrition

Reproduction in Flowering Plants

Plant Developmental Responses to External and Internal Signals

Animal Structure and Function: an Introduction

Protection, Support, and Movement

Neural Signaling

Neural Regulation

Sensory Systems

Internal Transport

The Immune System: Internal Defense

Gas Exchange

Processing Food and Nutrition

Osmoregulation and Disposal of Metabolic Wastes

Endocrine Regulation

Reproduction

Animal Development

Animal Behavior

Community Ecology

Ecosystems and the Biosphere

Ecology and the Geography of Life

Biological Diversity and Conservation Biology

Filters

Figure 53-4 The accompanying figure is representative of:

Figure 53-6 Figure 53-6 represents the age structure diagram of: