Question 1

The ________ forms the basic unit in ecology.

Accepted Answer

individual

Question 2

________ is the scientific study of the relationship between organisms and their environment.

Accepted Answer

Ecology

Question 3

When data are categorical,any value within an interval is possible.

Accepted Answer

A) True 
 B)False  False

Question 4

A population refers to all the individuals of the same species that occupy a given area.

Accepted Answer

A) True 
 B)False

Question 5

In a field experiment,an ecologist measures the effects of nitrogen on productivity,plotting data for nitrogen on the x-axis and productivity on the y-axis.In this experiment,the dependent variable is ________.

Accepted Answer

The answer of In a field experiment,an ecologist measures the...

Question 6

If x and y have a positive relationship as shown by a scatter plot,then the value of y will

Accepted Answer

A) increase as the value of x decreases. 
B) increase as the value of x increases. 
C) decrease as the value of x increases. 
D) stay the same as the value of x decreases. 
A) increase as the value of x decreases. 
B) increase as the value of x increases. 
C) decrease as the value of x increases. 
D) stay the same as the value of x decreases.

Question 7

Which of the following is considered an abiotic component of the ecosystem?

Accepted Answer

A) temperature 
B) microbes 
C) plants 
D) animals 
A) temperature 
B) microbes 
C) plants 
D) animals

Question 8

Microbes are considered an abiotic factor within an ecosystem.

Accepted Answer

A) True 
 B)False

Question 9

A valid scientific hypothesis must be testable.

Accepted Answer

A) True 
 B)False

Question 10

A theory is an integrated set of hypotheses that explains a broad set of observations.

Accepted Answer

A) True 
 B)False

Question 11

A biome is

Accepted Answer

A) the thin layer surrounding the Earth that supports all life. 
B) all the populations of different species living and interacting within an ecosystem. 
C) a broad-scale region dominated by similar types of ecosystems. 
D) an area of land or water composed of a patchwork of communities and ecosystems. 
A) the thin layer surrounding the Earth that supports all life. 
B) all the populations of different species living and interacting within an ecosystem. 
C) a broad-scale region dominated by similar types of ecosystems. 
D) an area of land or water composed of a patchwork of communities and ecosystems.

Question 12

An ecologist would probably produce a(n)________ to illustrate whether a relationship exists between body length and body weight.

Accepted Answer

The answer of An ecologist would probably produce a(n)________ to...

Question 13

A model is used by ecologists to

Accepted Answer

A) prove how nature works by demonstrating cause-and-effect relationships. 
B) analyze data that have been collected during an experiment. 
C) make predictions about how nature works using a set of explicit assumptions. 
D) observe how nature works in an experimental setting. 
A) prove how nature works by demonstrating cause-and-effect relationships. 
B) analyze data that have been collected during an experiment. 
C) make predictions about how nature works using a set of explicit assumptions. 
D) observe how nature works in an experimental setting.

Question 14

An ecologist measured the length and weight of different individuals of a species of bird.The most common method of graphically displaying the data is a

Accepted Answer

A) frequency distribution. 
B) histogram. 
C) pie chart. 
D) scatter plot. 
A) frequency distribution. 
B) histogram. 
C) pie chart. 
D) scatter plot.

Question 15

Ecology is the same as environmentalism.

Accepted Answer

A) True 
 B)False

Question 16

All science begins with ________,which is the first step in the process known as the scientific method.

Accepted Answer

The answer of All science begins with ________,which is the...

Question 17

The term "ecology" is defined as the study of the

Accepted Answer

A) environment. 
B) relationships between organisms. 
C) relationships between organisms and their environment. 
D) impact of humans on the environment. 
A) environment. 
B) relationships between organisms. 
C) relationships between organisms and their environment. 
D) impact of humans on the environment.

Question 18

A field experiment gives the investigator much more control over the environmental conditions than does a laboratory experiment.

Accepted Answer

A) True 
 B)False

Question 19

The basic unit in ecology is the

Accepted Answer

A) ecosystem. 
B) gene. 
C) individual. 
D) species. 
A) ecosystem. 
B) gene. 
C) individual. 
D) species.

Question 20

The living,or ________,and nonliving,or ________,components of the environment interact within an ecosystem.

Accepted Answer

The answer of The living,or ________,and nonliving,or ________,components of the...

Exam 1: The Nature of Ecology

The ________ forms the basic unit in ecology.

________ is the scientific study of the relationship between organisms and their environment.

When data are categorical,any value within an interval is possible.

A population refers to all the individuals of the same species that occupy a given area.

In a field experiment,an ecologist measures the effects of nitrogen on productivity,plotting data for nitrogen on the x-axis and productivity on the y-axis.In this experiment,the dependent variable is ________.

If x and y have a positive relationship as shown by a scatter plot,then the value of y will

Which of the following is considered an abiotic component of the ecosystem?

Microbes are considered an abiotic factor within an ecosystem.

A valid scientific hypothesis must be testable.

A theory is an integrated set of hypotheses that explains a broad set of observations.

A biome is

An ecologist would probably produce a(n)________ to illustrate whether a relationship exists between body length and body weight.

A model is used by ecologists to

An ecologist measured the length and weight of different individuals of a species of bird.The most common method of graphically displaying the data is a

Ecology is the same as environmentalism.

All science begins with ________,which is the first step in the process known as the scientific method.

The term "ecology" is defined as the study of the

A field experiment gives the investigator much more control over the environmental conditions than does a laboratory experiment.

The basic unit in ecology is the

The living,or ________,and nonliving,or ________,components of the environment interact within an ecosystem.

Climate

The Aquatic Environment

The Terrestrial Environment

Life History

Intraspecific Population Regulation

Metapopulations

Species Interactions,population Dynamics,and Natural Selection

Interspecific Competition

Predation

Parasitism and Mutualism

Community Structure

Factors Influencing the Structure of Communities

Community Dynamics

Landscape Dynamics

Ecosystem Energetics

Decomposition and Nutrient Cycling

Biogeochemical Cycles

Terrestrial Ecosystems

Aquatic Ecosystems

Coastal and Wetland Ecosystems

Large-Scale Patterns of Biological Diversity

Population Growth, resource Use, and Sustainability

Habitat Loss, biodiversity, and Conservation

Global Climate Change

Filters

The living,or ,and nonliving,or ,components of the environment interact within an ecosystem.