Question 1

Commensal organisms live on another organism and harm the host in the process.

Accepted Answer

A) True 
 B)False  False

Question 2

The relationship between frogs and insects is an example of

Accepted Answer

A) intraspecific competition. 
B) coevolution. 
C) a predator-prey relationship. 
D) competitive exclusion. 
A) intraspecific competition. 
B) coevolution. 
C) a predator-prey relationship. 
D) competitive exclusion. C

Question 3

Agricultural runoff consists of a mixture of compounds that serve as nutrients.The two primary nutrients are ________ and ________.

Accepted Answer

A) nitrogen;oxygen 
B) nitrogen;carbon 
C) nitrogen;phosphorus 
D) nitrogen;sulfur 
A) nitrogen;oxygen 
B) nitrogen;carbon 
C) nitrogen;phosphorus 
D) nitrogen;sulfur C

Question 4

Consumers are organisms that require no organic matter as a source of food.

Accepted Answer

A) True 
 B)False

Question 5

In a mutualistic relationship

Accepted Answer

A) one organism benefits while the other is unaffected. 
B) both species benefit. 
C) one species benefits while the other is harmed. 
D) endoparasites outnumber ectoparasites. 
A) one organism benefits while the other is unaffected. 
B) both species benefit. 
C) one species benefits while the other is harmed. 
D) endoparasites outnumber ectoparasites.

Question 6

Producers use the energy of sunlight to convert inorganic carbon compounds into organic compounds through the process of photosynthesis.

Accepted Answer

A) True 
 B)False

Question 7

The chief limiting factor to the success of most trout species is

Accepted Answer

A) the ability to reproduce. 
B) the dissolved oxygen content in water. 
C) the amount of plant biomass. 
D) All of these are correct. 
A) the ability to reproduce. 
B) the dissolved oxygen content in water. 
C) the amount of plant biomass. 
D) All of these are correct.

Question 8

Ecologists distinguish two different kinds of competition.An example of one is

Accepted Answer

A) intraspecific competition occurs between organisms of the same species. 
B) interspecific competition occurs between animals and plants. 
C) intraspecific competition results in one species eliminating another species. 
D) None of the statements is correct. 
A) intraspecific competition occurs between organisms of the same species. 
B) interspecific competition occurs between animals and plants. 
C) intraspecific competition results in one species eliminating another species. 
D) None of the statements is correct.

Question 9

Detritus are small bits of non-living organic material.

Accepted Answer

A) True 
 B)False

Question 10

The production of a new species from a previous species is known as mutualism.

Accepted Answer

A) True 
 B)False

Question 11

Charles Darwin developed the idea of natural selection without understanding the gene concept.

Accepted Answer

A) True 
 B)False

Question 12

Excessive growth in aquatic plants and algae is stimulated by:

Accepted Answer

A) Abundant supplies of nutrients such as phosphorus 
B) Cold water 
C) Lack of sunlight 
D) Lack of nutrients such as phosphorus 
A) Abundant supplies of nutrients such as phosphorus 
B) Cold water 
C) Lack of sunlight 
D) Lack of nutrients such as phosphorus

Question 13

A major reason why animals are moving into urban areas is:

Accepted Answer

A) Lack of water 
B) The building of larger homes 
C) Habitat loss 
D) Increased agricultural planting 
A) Lack of water 
B) The building of larger homes 
C) Habitat loss 
D) Increased agricultural planting

Question 14

The use of fertilizers in agriculture has significantly altered several nutrient cycles including

Accepted Answer

A) nitrogen. 
B) carbon. 
C) hydrologic. 
D) All of these are correct. 
A) nitrogen. 
B) carbon. 
C) hydrologic. 
D) All of these are correct.

Question 15

Which of the following habitats has rapid decomposition?

Accepted Answer

A) tundra 
B) tropical forests 
C) northern forests 
D) grasslands 
E) swamps 
A) tundra 
B) tropical forests 
C) northern forests 
D) grasslands 
E) swamps

Question 16

The introduction of which organism is correlated with a major disruption to the food web of the Great Lakes?

Accepted Answer

A) diatoms 
B) whitefish 
C) zebra mussels 
D) Diporeia. 
A) diatoms 
B) whitefish 
C) zebra mussels 
D) Diporeia.

Question 17

Genes are distinct pieces of DNA that determine the characteristics an individual displays.

Accepted Answer

A) True 
 B)False

Question 18

Competition between foxes and hawks for the use of mice and rabbits as food is called intraspecific competition.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following species has been impacted by climate change?

Accepted Answer

A) Pacific salmon 
B) Bowhead whales 
C) Polar bears 
D) None of the species have been impacted 
E) All of the species have been impacted 
A) Pacific salmon 
B) Bowhead whales 
C) Polar bears 
D) None of the species have been impacted 
E) All of the species have been impacted

Question 20

Charles Darwin is generally credited with

Accepted Answer

A) developing the concept of sexual dimorphism. 
B) developing the concept of natural selection. 
C) developing the concept of genetic concept. 
D) All of these are correct. 
A) developing the concept of sexual dimorphism. 
B) developing the concept of natural selection. 
C) developing the concept of genetic concept. 
D) All of these are correct.

Commensal organisms live on another organism and harm the host in the process.

The relationship between frogs and insects is an example of

Agricultural runoff consists of a mixture of compounds that serve as nutrients.The two primary nutrients are and .

Consumers are organisms that require no organic matter as a source of food.

In a mutualistic relationship

Producers use the energy of sunlight to convert inorganic carbon compounds into organic compounds through the process of photosynthesis.

The chief limiting factor to the success of most trout species is

Ecologists distinguish two different kinds of competition.An example of one is

Detritus are small bits of non-living organic material.

The production of a new species from a previous species is known as mutualism.

Charles Darwin developed the idea of natural selection without understanding the gene concept.

Excessive growth in aquatic plants and algae is stimulated by:

A major reason why animals are moving into urban areas is:

The use of fertilizers in agriculture has significantly altered several nutrient cycles including

Which of the following habitats has rapid decomposition?

The introduction of which organism is correlated with a major disruption to the food web of the Great Lakes?

Genes are distinct pieces of DNA that determine the characteristics an individual displays.

Competition between foxes and hawks for the use of mice and rabbits as food is called intraspecific competition.

Which of the following species has been impacted by climate change?

Charles Darwin is generally credited with

Environmental Interrelationships

Environmental Ethics

Risk,economics,and Environmental Concerns

Interrelated Scientific Principles

Kinds of Ecosystems and Communities

Populations: Characteristics and Issues

Energy and Civilization: Patterns of Consumption

Nonrenewable Energy Sources

Renewable Energy Sources

Biodiversity

Land-Use

Soil

Agricultural Methods

Water

Air Quality Issues

Climate Change: a 21st Century Issue

Solid Waste Management and Disposal

Environmental Regulations: Hazardous Substances and Wastes

Environmental Policy

Filters

Exam 5: Interactions: Environments and Organisms

Commensal organisms live on another organism and harm the host in the process.

The relationship between frogs and insects is an example of

Agricultural runoff consists of a mixture of compounds that serve as nutrients.The two primary nutrients are ________ and ________.

Consumers are organisms that require no organic matter as a source of food.

In a mutualistic relationship

Producers use the energy of sunlight to convert inorganic carbon compounds into organic compounds through the process of photosynthesis.

The chief limiting factor to the success of most trout species is

Ecologists distinguish two different kinds of competition.An example of one is

Detritus are small bits of non-living organic material.

The production of a new species from a previous species is known as mutualism.

Charles Darwin developed the idea of natural selection without understanding the gene concept.

Excessive growth in aquatic plants and algae is stimulated by:

A major reason why animals are moving into urban areas is:

The use of fertilizers in agriculture has significantly altered several nutrient cycles including

Which of the following habitats has rapid decomposition?

The introduction of which organism is correlated with a major disruption to the food web of the Great Lakes?

Genes are distinct pieces of DNA that determine the characteristics an individual displays.

Competition between foxes and hawks for the use of mice and rabbits as food is called intraspecific competition.

Which of the following species has been impacted by climate change?

Charles Darwin is generally credited with

Environmental Interrelationships

Environmental Ethics

Risk,economics,and Environmental Concerns

Interrelated Scientific Principles

Kinds of Ecosystems and Communities

Populations: Characteristics and Issues

Energy and Civilization: Patterns of Consumption

Nonrenewable Energy Sources

Renewable Energy Sources

Biodiversity

Land-Use

Soil

Agricultural Methods

Water

Air Quality Issues

Climate Change: a 21st Century Issue

Solid Waste Management and Disposal

Environmental Regulations: Hazardous Substances and Wastes

Environmental Policy

Filters

Agricultural runoff consists of a mixture of compounds that serve as nutrients.The two primary nutrients are and .