Question 1

In general,population growth ____.

Accepted Answer

A) is limited by only one factor at a time 
B) increases arithmetically 
C) increases indefinitely 
D) is limited by the carrying capacity 
E) is represented by a minimum of two different sizes 
A) is limited by only one factor at a time 
B) increases arithmetically 
C) increases indefinitely 
D) is limited by the carrying capacity 
E) is represented by a minimum of two different sizes

Question 2

A J-shaped growth curve is converted to an S-shaped one ____.

Accepted Answer

A) when the parents are past reproductive age 
B) if the data is plotted in reverse 
C) when the carrying capacity is reached 
D) if reproduction is stopped 
E) only for fast-growing populations such as bacteria 
A) when the parents are past reproductive age 
B) if the data is plotted in reverse 
C) when the carrying capacity is reached 
D) if reproduction is stopped 
E) only for fast-growing populations such as bacteria

Question 3

From this age structure diagram for India,it is likely that India's population will ____.

Accepted Answer

A) crash 
B) have a larger proportion of older individuals 
C) remain stable 
D) decrease 
E) increase 
A) crash 
B) have a larger proportion of older individuals 
C) remain stable 
D) decrease 
E) increase

Question 4

A population that is growing exponentially in the absence of limiting factors can be illustrated by which shaped curve?

Accepted Answer

A) S-shaped 
B) J-shaped 
C) O-shaped 
D) bimodal 
E) skewed 
A) S-shaped 
B) J-shaped 
C) O-shaped 
D) bimodal 
E) skewed

Question 5

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 6

Many species of terns nest on the ground in seabird colonies.However,if nests are too close together,aggression will break out.This tends to produce a(n)____.

Accepted Answer

A) near-uniform population distribution 
B) opportunity for predation 
C) clumped population distribution 
D) opportunity for exponential growth 
E) random population distribution 
A) near-uniform population distribution 
B) opportunity for predation 
C) clumped population distribution 
D) opportunity for exponential growth 
E) random population distribution

Question 7

Match the following terms with the most appropriate statement.
-the number of organisms of a particular population in a given area

Accepted Answer

A) population size 
B) population density 
C) population distribution 
D) demographics 
E) ecology
F)per capita growth rate
G)exponential
H)mark-recapture
I)sample 
A) population size 
B) population density 
C) population distribution 
D) demographics 
E) ecology
F)per capita growth rate
G)exponential
H)mark-recapture
I)sample

Question 8

Type I survivorship curves ____.

Accepted Answer

A) are characteristics of mice and other rodents 
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 mice and other rodents 
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 9

The highest number of individuals in the United States are in the ____ age structure category.

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 10

During phase "1" in the figure above,the size of the deer population grows slowly because ____.

Accepted Answer

A) predators eat fawns as they are born 
B) the number of breeding individuals is small 
C) the temperatures are relatively extreme 
D) the amount of food available is relatively scarce 
E) fawns are subject to disease 
A) predators eat fawns as they are born 
B) the number of breeding individuals is small 
C) the temperatures are relatively extreme 
D) the amount of food available is relatively scarce 
E) fawns are subject to disease

Question 11

Killifish preferentially prey upon small,young guppies.This leads to selective pressure for the guppy population to ____.

Accepted Answer

A) evolve an equilibrial life history 
B) learn to evade predators while young 
C) reduce the number of offspring 
D) put energy into growth rather than reproduction 
E) put energy into reproduction rather than growth 
A) evolve an equilibrial life history 
B) learn to evade predators while young 
C) reduce the number of offspring 
D) put energy into growth rather than reproduction 
E) put energy into reproduction rather than growth

Question 12

Density-independent controls over population growth include ____.

Accepted Answer

A) parasites 
B) temperature 
C) disease 
D) competition 
E) predation 
A) parasites 
B) temperature 
C) disease 
D) competition 
E) predation

Question 13

Answer the following questions by matching each term with

-equilibrial life history

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 14

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 15

Match the following terms with the most appropriate statement.
-development of penicillin

Accepted Answer

A) Africa 
B) 11,000 years ago 
C) 18th century 
D) Mid-1300s 
E) 1800s
F)1940s 
A) Africa 
B) 11,000 years ago 
C) 18th century 
D) Mid-1300s 
E) 1800s
F)1940s

Question 16

Match the following terms with the most appropriate statement.
-a portion of a population to be studied

Accepted Answer

A) population size 
B) population density 
C) population distribution 
D) demographics 
E) ecology
F)per capita growth rate
G)exponential
H)mark-recapture
I)sample 
A) population size 
B) population density 
C) population distribution 
D) demographics 
E) ecology
F)per capita growth rate
G)exponential
H)mark-recapture
I)sample

Question 17

The number of individuals that make up a population's gene pool is the ____.

Accepted Answer

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

Question 18

Answer the following questions by matching each term with

-survivorship curve; mortality does not vary with age

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 19

A cohort is ____.

Accepted Answer

A) a collection of same-aged individuals of the same species 
B) any member of the same species 
C) any member of the same species and sex within a population 
D) a sexual mate 
E) a litter mate or sibling within a large population 
A) a collection of same-aged individuals of the same species 
B) any member of the same species 
C) any member of the same species and sex within a population 
D) a sexual mate 
E) a litter mate or sibling within a large population

Question 20

Match the terms with the most appropriate statement.
-death rate drops fast; birth rate declines slowly

Accepted Answer

A) density-dependent factor 
B) demographic transitional stage 
C) type I survivorship 
D) r-selected species 
E) biotic potential
F)density-independent factor
G)logistic growth 
A) density-dependent factor 
B) demographic transitional stage 
C) type I survivorship 
D) r-selected species 
E) biotic potential
F)density-independent factor
G)logistic growth

In general,population growth ____.

A J-shaped growth curve is converted to an S-shaped one ____.

From this age structure diagram for India,it is likely that India's population will ____.

A population that is growing exponentially in the absence of limiting factors can be illustrated by which shaped curve?

India is in which demographic transitional stage?

Many species of terns nest on the ground in seabird colonies.However,if nests are too close together,aggression will break out.This tends to produce a(n)____.

Match the following terms with the most appropriate statement. -the number of organisms of a particular population in a given area

Type I survivorship curves ____.

The highest number of individuals in the United States are in the ____ age structure category.

During phase "1" in the figure above,the size of the deer population grows slowly because ____.

Killifish preferentially prey upon small,young guppies.This leads to selective pressure for the guppy population to ____.

Density-independent controls over population growth include ____.

Answer the following questions by matching each term with -equilibrial life history

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

Match the following terms with the most appropriate statement. -development of penicillin

Match the following terms with the most appropriate statement. -a portion of a population to be studied

The number of individuals that make up a population's gene pool is the ____.

Answer the following questions by matching each term with -survivorship curve; mortality does not vary with age

A cohort is ____.

Match the terms with the most appropriate statement. -death rate drops fast; birth rate declines slowly

Invitation To Biology

Molecules Of Life

Cell Structure

Energy And Metabolism

Capturing And Releasing Energy

DNA Structure And Function

Gene Expression AND Control

How Cells Reproduce

Patterns Of Inheritance

Biotechnology

Evidence Of Evolution

Processes Of Evolution

Early Life Forms And The Viruses

Plants And Fungi

Animal Evolution

Communities And Ecosystems

The Biosphere And Human Effects

Filters

Exam 16: Population Ecology

In general,population growth ____.

A J-shaped growth curve is converted to an S-shaped one ____.

From this age structure diagram for India,it is likely that India's population will ____.

A population that is growing exponentially in the absence of limiting factors can be illustrated by which shaped curve?

India is in which demographic transitional stage?

Many species of terns nest on the ground in seabird colonies.However,if nests are too close together,aggression will break out.This tends to produce a(n)____.

Match the following terms with the most appropriate statement. -the number of organisms of a particular population in a given area

Type I survivorship curves ____.

The highest number of individuals in the United States are in the ____ age structure category.

During phase "1" in the figure above,the size of the deer population grows slowly because ____.

Killifish preferentially prey upon small,young guppies.This leads to selective pressure for the guppy population to ____.

Density-independent controls over population growth include ____.

Answer the following questions by matching each term with -equilibrial life history

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

Match the following terms with the most appropriate statement. -development of penicillin

Match the following terms with the most appropriate statement. -a portion of a population to be studied

The number of individuals that make up a population's gene pool is the ____.

Answer the following questions by matching each term with -survivorship curve; mortality does not vary with age

A cohort is ____.

Match the terms with the most appropriate statement. -death rate drops fast; birth rate declines slowly

Invitation To Biology

Molecules Of Life

Cell Structure

Energy And Metabolism

Capturing And Releasing Energy

DNA Structure And Function

Gene Expression AND Control

How Cells Reproduce

Patterns Of Inheritance

Biotechnology

Evidence Of Evolution

Processes Of Evolution

Early Life Forms And The Viruses

Plants And Fungi

Animal Evolution

Communities And Ecosystems

The Biosphere And Human Effects

Filters