Question 1

Biotic potential ____.

Accepted Answer

A)  can always be reached in the natural world 
B)  is independent of life history traits 
C)  is based on limited resources 
D)  would be indicated by an S-shaped curve 
E)  is a theoretical value based on conditions of unlimited resources 
A)  can always be reached in the natural world 
B)  is independent of life history traits 
C)  is based on limited resources 
D)  would be indicated by an S-shaped curve 
E)  is a theoretical value based on conditions of unlimited resources E

Question 2

To a person studying utilization of cage space for lions in a zoo, the most useful data would be expressed by the number of ____.

Accepted Answer

A)  total lions 
B)  lions per square foot 
C)  lions per cage per room 
D)  cages per zoo 
E)  lions of each age 
A)  total lions 
B)  lions per square foot 
C)  lions per cage per room 
D)  cages per zoo 
E)  lions of each age B

Question 3

It has been estimated that if everyone in the world had the same lifestyle as the average American, it would require ____ more Earths.

Accepted Answer

A)  one 
B)  two 
C)  three 
D)  four 
E)  five 
A)  one 
B)  two 
C)  three 
D)  four 
E)  five D

Question 4

Which growth model occurs when the amount of available resources is not limiting?

Accepted Answer

A)  arithmetic growth 
B)  logistic growth 
C)  logarithmic growth 
D)  exponential growth 
E)  exponential growth and arithmetic growth 
A)  arithmetic growth 
B)  logistic growth 
C)  logarithmic growth 
D)  exponential growth 
E)  exponential growth and arithmetic growth

Question 5

Type II survivorship curves ____.

Accepted Answer

A)  are characteristics of humans and elephants 
B)  typify a population in which all ages have an equal chance of survival 
C)  indicate a high mortality rate in the very young 
D)  show that very few young are produced, that each is given parental support, and that most individuals live a relatively long life and die of old age 
E)  are typical of annual plants 
A)  are characteristics of humans and elephants 
B)  typify a population in which all ages have an equal chance of survival 
C)  indicate a high mortality rate in the very young 
D)  show that very few young are produced, that each is given parental support, and that most individuals live a relatively long life and die of old age 
E)  are typical of annual plants

Question 6

Which element is a density-dependent factor that controls the size of a population?

Accepted Answer

A)  wind velocity 
B)  light intensity 
C)  resource availability 
D)  temperature 
E)  wave action in an intertidal zone 
A)  wind velocity 
B)  light intensity 
C)  resource availability 
D)  temperature 
E)  wave action in an intertidal zone

Question 7

The number of individuals of the same species in some specified area or volume of habitat is the ____.

Accepted Answer

A)  population density 
B)  population growth 
C)  population birth rate 
D)  population size 
E)  carrying capacity 
A)  population density 
B)  population growth 
C)  population birth rate 
D)  population size 
E)  carrying capacity

Question 8

The distribution of individuals among various age categories defines a population's ________.

Accepted Answer

A)  size 
B)  density 
C)  age structure 
D)  growth 
E)  range 
A)  size 
B)  density 
C)  age structure 
D)  growth 
E)  range

Question 9

A near-uniform population distribution is the result of ____.

Accepted Answer

A)  social interaction 
B)  competition for resources 
C)  chemical avoidance 
D)  contact inhibition 
E)  planning 
A)  social interaction 
B)  competition for resources 
C)  chemical avoidance 
D)  contact inhibition 
E)  planning

Question 10

Which is a density-independent factor?

Accepted Answer

A)  competition 
B)  predation 
C)  earthquakes 
D)  parasitism 
E)  disease 
A)  competition 
B)  predation 
C)  earthquakes 
D)  parasitism 
E)  disease

Question 11

Limiting factors to population growth ____.

Accepted Answer

A)  produce less pronounced effects as a population grows 
B)  tend to increase population growth 
C)  are the same as the biotic potential 
D)  raise the carrying capacity to a higher level 
E)  prevent a population from producing a J-shaped growth curve 
A)  produce less pronounced effects as a population grows 
B)  tend to increase population growth 
C)  are the same as the biotic potential 
D)  raise the carrying capacity to a higher level 
E)  prevent a population from producing a J-shaped growth curve

Question 12

If the death rate of a population exceeds the birth rate of a population, ____.

Accepted Answer

A)  the growth rate will remain static 
B)  the population will grow 
C)  the environment will become overexploited 
D)  an exponential growth curve will result 
E)  the population will decrease in size 
A)  the growth rate will remain static 
B)  the population will grow 
C)  the environment will become overexploited 
D)  an exponential growth curve will result 
E)  the population will decrease in size

Question 13

India is in which demographic transitional stage?

Accepted Answer

A)  birth and death rates equally high; growth rate low 
B)  death rate dropping fast; birth rate declining but slowly 
C)  birth rates declining and approaching the death rates 
D)  birth rate falling below death rate; population size decreasing 
E)  death rate greatly exceeds birth rate; population is close to extinction 
A)  birth and death rates equally high; growth rate low 
B)  death rate dropping fast; birth rate declining but slowly 
C)  birth rates declining and approaching the death rates 
D)  birth rate falling below death rate; population size decreasing 
E)  death rate greatly exceeds birth rate; population is close to extinction

Question 14

The countries of ____ and ____ have the world's highest human populations.

Accepted Answer

A)  India; China 
B)  China; United States 
C)  China; Brazil 
D)  India; United States 
E)  United States; Canada 
A)  India; China 
B)  China; United States 
C)  China; Brazil 
D)  India; United States 
E)  United States; Canada

Question 15

Which type of survivorship curve is pictured here for Dall sheep?

Accepted Answer

A)  type II 
B)  logistic 
C)  type I 
D)  exponential 
E)  type III 
A)  type II 
B)  logistic 
C)  type I 
D)  exponential 
E)  type III

Question 16

The most common type of population distribution is ____.

Accepted Answer

A)  clumped 
B)  uniform 
C)  random 
D)  near-uniform 
E)  semi-random 
A)  clumped 
B)  uniform 
C)  random 
D)  near-uniform 
E)  semi-random

Question 17

A group of organisms of the same species that live in a specific location is called a(n) ____.

Accepted Answer

A)  community 
B)  population 
C)  species 
D)  genus 
E)  biome 
A)  community 
B)  population 
C)  species 
D)  genus 
E)  biome

Question 18

In India, which age structure category holds the least number of individuals?

Accepted Answer

A)  pre-reproductive 
B)  early reproductive 
C)  late reproductive 
D)  early post-reproductive 
E)  late post-reproductive 
A)  pre-reproductive 
B)  early reproductive 
C)  late reproductive 
D)  early post-reproductive 
E)  late post-reproductive

Question 19

A population ecologist is studying the demographics of American bison living on a grassland in North Dakota. She captures, marks, and releases 100 bison. Later, she recaptures 100 bison and discovers that 50 were previously marked and half of those marked are of reproductive age. What is the population ecologist's estimate of how many bison in the total population are of reproductive age?

Accepted Answer

A)  200 
B)  50 
C)  100 
D)  20 
E)  10 
A)  200 
B)  50 
C)  100 
D)  20 
E)  10

Question 20

Which country has the biggest ecological footprint?

Accepted Answer

A)  France 
B)  United States 
C)  China 
D)  India 
E)  Canada 
A)  France 
B)  United States 
C)  China 
D)  India 
E)  Canada

Exam 17: Population Ecology

Biotic potential ____.

To a person studying utilization of cage space for lions in a zoo, the most useful data would be expressed by the number of ____.

It has been estimated that if everyone in the world had the same lifestyle as the average American, it would require ____ more Earths.

Which growth model occurs when the amount of available resources is not limiting?

Type II survivorship curves ____.

Which element is a density-dependent factor that controls the size of a population?

The number of individuals of the same species in some specified area or volume of habitat is the ____.

The distribution of individuals among various age categories defines a population's ________.

A near-uniform population distribution is the result of ____.

Which is a density-independent factor?

Limiting factors to population growth ____.

If the death rate of a population exceeds the birth rate of a population, ____.

India is in which demographic transitional stage?

The countries of ____ and ____ have the world's highest human populations.

Which type of survivorship curve is pictured here for Dall sheep?

The most common type of population distribution is ____.

A group of organisms of the same species that live in a specific location is called a(n) ____.

In India, which age structure category holds the least number of individuals?

Which country has the biggest ecological footprint?

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Photosynthesis

Releasing Chemical Energy

Dna Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Prokaryotes, Protists, and Viruses

Plants and Fungi

Animal Evolution

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Animal Reproduction and Development

Plant Form and Function

Life Cycles of Flowering Plants

Filters

The countries of and have the world's highest human populations.