Question 1

A population of mostly ____ individuals with a ____ generation time and a ____ proportion of females is expected to show the most growth in the future.

Accepted Answer

A)  prereproductive; short; high 
B)  reproductive; short; low 
C)  reproductive; long; low 
D)  postreproductive; long; low 
E)  prereproductive; short; low 
A)  prereproductive; short; high 
B)  reproductive; short; low 
C)  reproductive; long; low 
D)  postreproductive; long; low 
E)  prereproductive; short; low

Question 2

How are an organism's lifetime energy use and economics analogous?

Accepted Answer

Every organism is constrained by a finit

Question 3

Which statement describes the general relationship between population density and body size?

Accepted Answer

A)  Population density increases with increasing body size. 
B)  Population density is equal to body size. 
C)  Population density decreases with increasing body size. 
D)  Population density is not related to body size. 
E)  Population density first decreases then increases with increasing body size. 
A)  Population density increases with increasing body size. 
B)  Population density is equal to body size. 
C)  Population density decreases with increasing body size. 
D)  Population density is not related to body size. 
E)  Population density first decreases then increases with increasing body size.

Question 4

-Answer the question using the accompanying figure. A species with a relatively constant rate of mortality in all age classes would most likely exhibit which survivorship curve?

Accepted Answer

A)  Type I, which is graph A 
B)  Type II, which is graph B 
C)  Type I, which is graph C 
D)  Type III, which is graph C 
E)  Type III, which is graph A 
A)  Type I, which is graph A 
B)  Type II, which is graph B 
C)  Type I, which is graph C 
D)  Type III, which is graph C 
E)  Type III, which is graph A

Question 5

-Answer the question using the accompanying figure. Sea turtles are likely to die when they are young but have a good chance of surviving once they reach large size. Which survivorship curve best fits this species?

Accepted Answer

A)  Type I, which is graph A 
B)  Type II, which is graph B 
C)  Type I, which is graph C 
D)  Type III, which is graph C 
E)  Type III, which is graph A 
A)  Type I, which is graph A 
B)  Type II, which is graph B 
C)  Type I, which is graph C 
D)  Type III, which is graph C 
E)  Type III, which is graph A

Question 6

Population dispersion is the ____.

Accepted Answer

A)  statistical description of the relative numbers of individuals in each age class 
B)  number of individuals per unit area 
C)  number of individuals in a population 
D)  average time between the birth of an organism and the birth of its offspring 
E)  spatial distribution of individuals within a geographical range 
A)  statistical description of the relative numbers of individuals in each age class 
B)  number of individuals per unit area 
C)  number of individuals in a population 
D)  average time between the birth of an organism and the birth of its offspring 
E)  spatial distribution of individuals within a geographical range

Question 7

Research has shown that commercial fisheries place selective pressure on fish populations by harvesting mostly the ____ fish, resulting in ____.

Accepted Answer

A)  young; aging populations 
B)  larger; maturity at smaller sizes 
C)  smaller; maturity at larger sizes 
D)  prereproductive; declining birth rates 
E)  postreproductive; no change in population size 
A)  young; aging populations 
B)  larger; maturity at smaller sizes 
C)  smaller; maturity at larger sizes 
D)  prereproductive; declining birth rates 
E)  postreproductive; no change in population size

Question 8

A(n) ____ is a group of neighboring populations that exchange individuals.

Accepted Answer

A)  K -selected species 
B)  Type I species 
C)  r -selected species 
D)  sink population 
E)  metapopulation 
A)  K -selected species 
B)  Type I species 
C)  r -selected species 
D)  sink population 
E)  metapopulation

Question 9

Match between columns
                        Premises: population density

Accepted Answer

The Answer of the number of individuals per unit area is...

Question 10

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

Accepted Answer

Competition for all resources increases

Question 11

What basic information does a demographer need to know to predict a species population size through time?

Accepted Answer

A demographer needs to have some knowled

Question 12

The success of human populations resulted from ____.

Accepted Answer

A)  their ability to solve ecological problems 
B)  a stable climate 
C)  their society 
D)  their hunting ability 
E)  absence of predators 
A)  their ability to solve ecological problems 
B)  a stable climate 
C)  their society 
D)  their hunting ability 
E)  absence of predators

Exam 52: Population Ecology

A population of mostly ____ individuals with a ____ generation time and a ____ proportion of females is expected to show the most growth in the future.

How are an organism's lifetime energy use and economics analogous?

Which statement describes the general relationship between population density and body size?

-Answer the question using the accompanying figure. A species with a relatively constant rate of mortality in all age classes would most likely exhibit which survivorship curve?

-Answer the question using the accompanying figure. Sea turtles are likely to die when they are young but have a good chance of surviving once they reach large size. Which survivorship curve best fits this species?

Population dispersion is the ____.

Research has shown that commercial fisheries place selective pressure on fish populations by harvesting mostly the ____ fish, resulting in ____.

A(n) ____ is a group of neighboring populations that exchange individuals.

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

What basic information does a demographer need to know to predict a species population size through time?

The success of human populations resulted from ____.

Introduction to Biological Concepts and Research

Life, Chemistry, and Water

Biological Molecules: the Carbon Compounds of Life

Cells

Membranes and Transport

Energy, Enzymes, and Biological Reactions

Cellular Respiration: Harvesting Chemical Energy

Photosynthesis

Cell Communication

Cell Division and Mitosis

Meiosis: the Cellular Basis of Sexual Reproduction

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

Dna Structure, Replication, and Organization

Gene Expression: From Dna to Protein

Regulation of Gene Expression

Bacterial and Viral Genetics

Dna Technology: Making and Using Genetically Altered Organisms, and Other Applications

Genomes and Proteomes

The Development of Evolutionary Thought

Microevolution: Genetic Changes Within Populations

Speciation

Paleobiology and Macroevolution

Systematic Biology: Phylogeny and Classification

The Origin of Life

Prokaryotes and Viruses

Protists

Seedless Plants

Seed Plants

Fungi

Animal Phylogeny, Acoelomates, and Protostomes

Deuterostomes: Vertebrates and Their Closest Relatives

The Plant Body

Transport in Plants

Plant Nutrition

Reproduction and Development in Flowering Plants

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Information Flow and the Neuron

Nervous Systems

Sensory Systems

The Endocrine System

Muscles, Bones, and Body Movements

The Circulatory System

Defenses Against Disease

Gas Exchange: the Respiratory System

Digestive Systems and Animal Nutrition

Regulating the Internal Environment: Osmoregulation, Excretion, and Thermoregulation

Animal Reproduction

Animal Development

Ecology and the Biosphere

Population Interactions and Community Ecology

Ecosystems

Biodiversity and Conservation Biology

Animal Behavior

Filters

A population of mostly individuals with a generation time and a proportion of females is expected to show the most growth in the future.

Research has shown that commercial fisheries place selective pressure on fish populations by harvesting mostly the fish, resulting in .