Question 1

The process of converting nitrate to nitrogen gas and nitrous oxide is called

Accepted Answer

A)  Photosynthesis. 
B)  Denitrification. 
C)  Respiration. 
D)  Transpiration. 
A)  Photosynthesis. 
B)  Denitrification. 
C)  Respiration. 
D)  Transpiration.

Question 2

What happens to the tropical soils when the rainforests are cut down?

Accepted Answer

A)  Clearing interrupts the nutrient cycle, leading to soil leaching and baking. 
B)  The soil stabilizes and becomes excellent for grain crops. 
C)  There is little effect on the soil because of its extreme fertility. 
D)  The soil fertility improves as the soil nutrients are not longer depleted by the trees. 
A)  Clearing interrupts the nutrient cycle, leading to soil leaching and baking. 
B)  The soil stabilizes and becomes excellent for grain crops. 
C)  There is little effect on the soil because of its extreme fertility. 
D)  The soil fertility improves as the soil nutrients are not longer depleted by the trees.

Question 3

Net production is biomass that is left over from gross production after it has been used to fuel the processes of life.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following is the largest reservoir for carbon?

Accepted Answer

A)  The soil. 
B)  The atmosphere. 
C)  The ocean. 
D)  Vegetation. 
A)  The soil. 
B)  The atmosphere. 
C)  The ocean. 
D)  Vegetation.

Question 5

Which of the following organisms does nitrogen fixation?

Accepted Answer

A)  Algae. 
B)  Bacteria. 
C)  Fungi. 
D)  Rodents. 
A)  Algae. 
B)  Bacteria. 
C)  Fungi. 
D)  Rodents.

Question 6

What activity has added the most carbon to the atmosphere?

Accepted Answer

A)  Deep sea oil drilling. 
B)  Humans chopping down the rainforests. 
C)  Soil erosion due to overbuilding. 
D)  Human burning of fossil fuels. 
A)  Deep sea oil drilling. 
B)  Humans chopping down the rainforests. 
C)  Soil erosion due to overbuilding. 
D)  Human burning of fossil fuels.

Question 7

Estuaries, salt marshes, and mangroves are transitional biomes.

Accepted Answer

A) True 
 B)False

Question 8

The distribution of biomes is closely related to the distribution of global climates.

Accepted Answer

A) True 
 B)False

Question 9

Desert vegetation can be described as

Accepted Answer

A)  Evergreen with broadleaf trees. 
B)  Consisting mainly of widely spaced trees amid tall savanna grasses. 
C)  Consisting of only short steppe grass. 
D)  Small and scattered 
A)  Evergreen with broadleaf trees. 
B)  Consisting mainly of widely spaced trees amid tall savanna grasses. 
C)  Consisting of only short steppe grass. 
D)  Small and scattered

Question 10

Which of the following conditions would lead to the greatest amount of soil erosion?

Accepted Answer

A)  Heavy rainfall in a typically dry location. 
B)  Heavy rainfall in a typically wet location. 
C)  Light rainfall in a typically dry location. 
D)  Light rainfall in a typically wet location. 
A)  Heavy rainfall in a typically dry location. 
B)  Heavy rainfall in a typically wet location. 
C)  Light rainfall in a typically dry location. 
D)  Light rainfall in a typically wet location.

Question 11

What are the components of an ecosystem?

Accepted Answer

A)  Nonliving components only. 
B)  Living components only. 
C)  Continually interacting living and nonliving components. 
D)  Periodically interacting living and nonliving components. 
A)  Nonliving components only. 
B)  Living components only. 
C)  Continually interacting living and nonliving components. 
D)  Periodically interacting living and nonliving components.

Question 12

Most ecosystems have several interconnected food chains involving complex eating relationships and interactions, which form a food web.

Accepted Answer

A) True 
 B)False

Question 13

There are two basic types of biomes: terrestrial and aquatic.

Accepted Answer

A) True 
 B)False

Question 14

The major reservoir for phosphorus is

Accepted Answer

A)  Bacteria. 
B)  The ocean. 
C)  The atmosphere. 
D)  Soil and rocks. 
A)  Bacteria. 
B)  The ocean. 
C)  The atmosphere. 
D)  Soil and rocks.

Question 15

In which zone would you find coral reefs?

Accepted Answer

A)  Abyssal zone. 
B)  Oceanic zone. 
C)  Neritic zone. 
D)  None of these. 
A)  Abyssal zone. 
B)  Oceanic zone. 
C)  Neritic zone. 
D)  None of these.

Question 16

Energy is transferred along __________ chains in which one organism eats another and is, in turn, eaten by another organism.

Accepted Answer

The answer of Energy is transferred along __________ chains in...

Question 17

Some elements that are essential to the biosphere are said to undergo biogeochemical cycling.

Accepted Answer

A) True 
 B)False

Question 18

With regards to a food chain or food web, the organisms that capture and lock up energy from the Sun are called

Accepted Answer

A)  Primary producers. 
B)  Primary consumers. 
C)  Secondary consumers. 
D)  First-order consumers. 
A)  Primary producers. 
B)  Primary consumers. 
C)  Secondary consumers. 
D)  First-order consumers.

Question 19

___________ are the most widely varied of the major biomes.

Accepted Answer

The answer of ___________ are the most widely varied of...

Question 20

Which of the following are components in the photosynthetic process?

Accepted Answer

A)  Carbon dioxide, nitrogen, water, and oxygen. 
B)  Carbon dioxide, water, oxygen, and carbohydrates. 
C)  Carbon dioxide, nitrogen, carbohydrates, oxygen. 
D)  Carbon dioxide, water, carbohydrates, nitrogen. 
A)  Carbon dioxide, nitrogen, water, and oxygen. 
B)  Carbon dioxide, water, oxygen, and carbohydrates. 
C)  Carbon dioxide, nitrogen, carbohydrates, oxygen. 
D)  Carbon dioxide, water, carbohydrates, nitrogen.

The process of converting nitrate to nitrogen gas and nitrous oxide is called

What happens to the tropical soils when the rainforests are cut down?

Net production is biomass that is left over from gross production after it has been used to fuel the processes of life.

Which of the following is the largest reservoir for carbon?

Which of the following organisms does nitrogen fixation?

What activity has added the most carbon to the atmosphere?

Estuaries, salt marshes, and mangroves are transitional biomes.

The distribution of biomes is closely related to the distribution of global climates.

Desert vegetation can be described as

Which of the following conditions would lead to the greatest amount of soil erosion?

What are the components of an ecosystem?

Most ecosystems have several interconnected food chains involving complex eating relationships and interactions, which form a food web.

There are two basic types of biomes: terrestrial and aquatic.

The major reservoir for phosphorus is

In which zone would you find coral reefs?

Energy is transferred along __________ chains in which one organism eats another and is, in turn, eaten by another organism.

Some elements that are essential to the biosphere are said to undergo biogeochemical cycling.

With regards to a food chain or food web, the organisms that capture and lock up energy from the Sun are called

___________ are the most widely varied of the major biomes.

Which of the following are components in the photosynthetic process?

The Earth System

Energy

Matter

Space and Time

The Tectonic Cycle

Earthquakes and Volcanoes

The Rock Cycle

The Hydrologic Cycle

The Cryosphere

The World Ocean

The Atmosphere

Wind and Weather Systems

The Climate System

Life, Death and Evolution

Populations, Communities, and Change

The Resource Cycle

Mineral and Energy Resources

The Changing Earth System

Filters

Exam 15: Ecosystems, Biomes, and Cycles of Life

The process of converting nitrate to nitrogen gas and nitrous oxide is called

What happens to the tropical soils when the rainforests are cut down?

Net production is biomass that is left over from gross production after it has been used to fuel the processes of life.

Which of the following is the largest reservoir for carbon?

Which of the following organisms does nitrogen fixation?

What activity has added the most carbon to the atmosphere?

Estuaries, salt marshes, and mangroves are transitional biomes.

The distribution of biomes is closely related to the distribution of global climates.

Desert vegetation can be described as

Which of the following conditions would lead to the greatest amount of soil erosion?

What are the components of an ecosystem?

Most ecosystems have several interconnected food chains involving complex eating relationships and interactions, which form a food web.

There are two basic types of biomes: terrestrial and aquatic.

The major reservoir for phosphorus is

In which zone would you find coral reefs?

Energy is transferred along __________ chains in which one organism eats another and is, in turn, eaten by another organism.

Some elements that are essential to the biosphere are said to undergo biogeochemical cycling.

With regards to a food chain or food web, the organisms that capture and lock up energy from the Sun are called

___________ are the most widely varied of the major biomes.

Which of the following are components in the photosynthetic process?

The Earth System

Energy

Matter

Space and Time

The Tectonic Cycle

Earthquakes and Volcanoes

The Rock Cycle

The Hydrologic Cycle

The Cryosphere

The World Ocean

The Atmosphere

Wind and Weather Systems

The Climate System

Life, Death and Evolution

Populations, Communities, and Change

The Resource Cycle

Mineral and Energy Resources

The Changing Earth System

Filters