Question 1

Human caused eutrophication is known as

Accepted Answer

A) anthropotrophication. 
B) oligotrophication. 
C) cultural eutrophication. 
D) mesotrophication. 
A) anthropotrophication. 
B) oligotrophication. 
C) cultural eutrophication. 
D) mesotrophication. C

Question 2

A leech that sucks blood from an animal is in an example of commensalism.

Accepted Answer

A) True 
 B)False  False

Question 3

The gradual nutrient enrichment in water bodies is known as

Accepted Answer

A) oligotrophication. 
B) eutrophicatiom. 
C) mesotrophication. 
D) dystrophication. 
A) oligotrophication. 
B) eutrophicatiom. 
C) mesotrophication. 
D) dystrophication. B

Question 4

Mistletoe (Phoradendron)infest many taxa of plants,often causing the branches of the host species to become swollen and distorted and making the trees more susceptible to insect infestations.This is an example of which symbiotic relationship?

Accepted Answer

A) Parasitism 
B) Mutualism 
C) Commensalism 
D) Amensalism 
A) Parasitism 
B) Mutualism 
C) Commensalism 
D) Amensalism

Question 5

As chemical pesticides move through the trophic pyramid,they may be amplified at each higher level in a process called

Accepted Answer

A) trophic cascading. 
B) competitive exclusion. 
C) pyramidal decay. 
D) biomagnification. 
A) trophic cascading. 
B) competitive exclusion. 
C) pyramidal decay. 
D) biomagnification.

Question 6

From the perspective of energy,which of the following is the most efficient trophic level?

Accepted Answer

A) Primary producer 
B) Primary consumer 
C) Secondary consumer 
D) Tertiary consumer 
A) Primary producer 
B) Primary consumer 
C) Secondary consumer 
D) Tertiary consumer

Question 7

Of the total energy that is intercepted at Earthʹs surface and available for work,about 25% is fixed by photosynthesis as carbohydrates in plants.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following is the largest carbon sink?

Accepted Answer

A) Dead organic matter 
B) The oceans 
C) The atmosphere 
D) Fossil fuels and oil shales 
A) Dead organic matter 
B) The oceans 
C) The atmosphere 
D) Fossil fuels and oil shales

Question 9

Within a lake,eutrophic conditions predominate in deep,open water.

Accepted Answer

A) True 
 B)False

Question 10

Using outside sources,provide an example of each of the following symbiotic relationships: mutualism,parasitism,commensalism,and amensalism.

Accepted Answer

Answers will vary: Mutualism should be a

Question 11

Which of the following would NOT be a limiting factor for a plant species?

Accepted Answer

A) Daily precipitation values 
B) Soil phosphorus content 
C) Days below freezing 
D) Number of predators 
A) Daily precipitation values 
B) Soil phosphorus content 
C) Days below freezing 
D) Number of predators

Question 12

Chlorophyll absorbs only the _________and_________ wavelengths for photochemical operations.

Accepted Answer

A) orange-red; green-yellow 
B) violet-blue; green-yellow 
C) orange-red; violet-blue 
D) yellow-red; violet-green 
A) orange-red; green-yellow 
B) violet-blue; green-yellow 
C) orange-red; violet-blue 
D) yellow-red; violet-green

Question 13

Most of Earthʹs organisms have been identified and classified.

Accepted Answer

A) True 
 B)False

Question 14

Approximately half of the cultivated acreage in the United States and Canada is planted for animal consumption.

Accepted Answer

A) True 
 B)False

Question 15

The break-even point between the production and consumption of organic material is termed

Accepted Answer

A) net photosynthesis. 
B) net primary productivity. 
C) compensation point. 
D) free air CO2 enrichment. 
A) net photosynthesis. 
B) net primary productivity. 
C) compensation point. 
D) free air CO2 enrichment.

Question 16

-In which of the following terrestrial ecosystems would one tend to find the lowest net primary productivity?

Accepted Answer

A) Extreme desert 
B) Cultivated lands 
C) Woodland and shrubland 
D) Tundra 
A) Extreme desert 
B) Cultivated lands 
C) Woodland and shrubland 
D) Tundra

Question 17

Plants colonizing bare rock after a volcanic eruption denudes an area is an example of primary succession.

Accepted Answer

A) True 
 B)False

Question 18

The study of the interrelationships between organisms and their environment is called

Accepted Answer

A) biogeography. 
B) biology. 
C) pedology. 
D) ecology. 
A) biogeography. 
B) biology. 
C) pedology. 
D) ecology.

Question 19

Using outside sources,describe the limiting factor of an organism and how it affects this organisms distribution.

Accepted Answer

Answers will vary,but may focu

Question 20

Some harmful chemicals that are long-lived,stable,and soluble in fatty tissues become increasingly concentrated at each higher trophic level.

Accepted Answer

A) True 
 B)False

Human caused eutrophication is known as

A leech that sucks blood from an animal is in an example of commensalism.

The gradual nutrient enrichment in water bodies is known as

Mistletoe (Phoradendron)infest many taxa of plants,often causing the branches of the host species to become swollen and distorted and making the trees more susceptible to insect infestations.This is an example of which symbiotic relationship?

As chemical pesticides move through the trophic pyramid,they may be amplified at each higher level in a process called

From the perspective of energy,which of the following is the most efficient trophic level?

Of the total energy that is intercepted at Earthʹs surface and available for work,about 25% is fixed by photosynthesis as carbohydrates in plants.

Which of the following is the largest carbon sink?

Within a lake,eutrophic conditions predominate in deep,open water.

Using outside sources,provide an example of each of the following symbiotic relationships: mutualism,parasitism,commensalism,and amensalism.

Which of the following would NOT be a limiting factor for a plant species?

Chlorophyll absorbs only the _and_ wavelengths for photochemical operations.

Most of Earthʹs organisms have been identified and classified.

Approximately half of the cultivated acreage in the United States and Canada is planted for animal consumption.

The break-even point between the production and consumption of organic material is termed

-In which of the following terrestrial ecosystems would one tend to find the lowest net primary productivity?

Plants colonizing bare rock after a volcanic eruption denudes an area is an example of primary succession.

The study of the interrelationships between organisms and their environment is called

Using outside sources,describe the limiting factor of an organism and how it affects this organisms distribution.

Some harmful chemicals that are long-lived,stable,and soluble in fatty tissues become increasingly concentrated at each higher trophic level.

The Science of Geography

The Solar System,sun,and Earth

Energy Balance Essentials

Wind Essentials

Waterʹs Unique Properties

Water on Earth

Review of Earthʹs Climate System

Population Growth and Fossil Fuel Burning the Setting for Climate Change

The Pace of Change

Earthʹs Surface Relief Features

Landmass Denudation

Drainage Basins and Drainage Patterns

Global Oceans and Seas

Snow Into Ice--The Basis of Glaciers

Soil Development and Soil Profiles

Biogeographic Divisions

Filters

Exam 16: Energy Flows and Nutrient Cycles

Human caused eutrophication is known as

A leech that sucks blood from an animal is in an example of commensalism.

The gradual nutrient enrichment in water bodies is known as

Mistletoe (Phoradendron)infest many taxa of plants,often causing the branches of the host species to become swollen and distorted and making the trees more susceptible to insect infestations.This is an example of which symbiotic relationship?

As chemical pesticides move through the trophic pyramid,they may be amplified at each higher level in a process called

From the perspective of energy,which of the following is the most efficient trophic level?

Of the total energy that is intercepted at Earthʹs surface and available for work,about 25% is fixed by photosynthesis as carbohydrates in plants.

Which of the following is the largest carbon sink?

Within a lake,eutrophic conditions predominate in deep,open water.

Using outside sources,provide an example of each of the following symbiotic relationships: mutualism,parasitism,commensalism,and amensalism.

Which of the following would NOT be a limiting factor for a plant species?

Chlorophyll absorbs only the _________and_________ wavelengths for photochemical operations.

Most of Earthʹs organisms have been identified and classified.

Approximately half of the cultivated acreage in the United States and Canada is planted for animal consumption.

The break-even point between the production and consumption of organic material is termed

-In which of the following terrestrial ecosystems would one tend to find the lowest net primary productivity?

Plants colonizing bare rock after a volcanic eruption denudes an area is an example of primary succession.

The study of the interrelationships between organisms and their environment is called

Using outside sources,describe the limiting factor of an organism and how it affects this organisms distribution.

Some harmful chemicals that are long-lived,stable,and soluble in fatty tissues become increasingly concentrated at each higher trophic level.

The Science of Geography

The Solar System,sun,and Earth

Energy Balance Essentials

Wind Essentials

Waterʹs Unique Properties

Water on Earth

Review of Earthʹs Climate System

Population Growth and Fossil Fuel Burning the Setting for Climate Change

The Pace of Change

Earthʹs Surface Relief Features

Landmass Denudation

Drainage Basins and Drainage Patterns

Global Oceans and Seas

Snow Into Ice--The Basis of Glaciers

Soil Development and Soil Profiles

Biogeographic Divisions

Filters

Chlorophyll absorbs only the _and_ wavelengths for photochemical operations.