Question 1

Deserts that occur on the back sides of mountain ranges are due to an effect called a __________________.

Accepted Answer

The answer of Deserts that occur on the back sides...

Question 2

_______ bacteria convert nitrate into atmospheric nitrogen.

Accepted Answer

A)  Nitrifying 
B)  Ammonifying 
C)  Dentrifying 
D)  Detritivorous 
A)  Nitrifying 
B)  Ammonifying 
C)  Dentrifying 
D)  Detritivorous

Question 3

Which of the following is NOT a component of the physical habitat in which organisms live?

Accepted Answer

A)  Rocks 
B)  Water 
C)  Wind 
D)  Bacteria 
A)  Rocks 
B)  Water 
C)  Wind 
D)  Bacteria

Question 4

Humans alter the nitrogen cycle by

Accepted Answer

A)  disposing of human manure rather than allowing it to recycle. 
B)  manufacturing nitrogen compounds to apply to agricultural fields. 
C)  tying up nitrogen in human body mass because of overpopulation. 
D)  use of antibiotics that destroy important bacteria in the nitrogen cycle. 
A)  disposing of human manure rather than allowing it to recycle. 
B)  manufacturing nitrogen compounds to apply to agricultural fields. 
C)  tying up nitrogen in human body mass because of overpopulation. 
D)  use of antibiotics that destroy important bacteria in the nitrogen cycle.

Question 5

Which zone in a lake is open-water surface?

Accepted Answer

A)  Profundal 
B)  Limnetic 
C)  Littoral 
D)  Fundal 
A)  Profundal 
B)  Limnetic 
C)  Littoral 
D)  Fundal

Question 6

Plants are the ____________ in the food chain in an ecosystem.

Accepted Answer

The answer of Plants are the ____________ in the food...

Question 7

Loss of water from the leaves of plants occurs mostly via a process known as

Accepted Answer

A)  transpiration. 
B)  evaporation. 
C)  dehydration. 
D)  guttation. 
A)  transpiration. 
B)  evaporation. 
C)  dehydration. 
D)  guttation.

Question 8

The total amount of energy fixed by photosynthetic organisms minus the energy used in their own metabolic activities is

Accepted Answer

A)  primary productivity. 
B)  secondary productivity. 
C)  net primary productivity. 
D)  net secondary productivity. 
A)  primary productivity. 
B)  secondary productivity. 
C)  net primary productivity. 
D)  net secondary productivity.

Question 9

When you eat fried chicken,you are the

Accepted Answer

A)  decomposer. 
B)  producer. 
C)  primary consumer. 
D)  secondary consumer. 
E)  tertiary consumer. 
A)  decomposer. 
B)  producer. 
C)  primary consumer. 
D)  secondary consumer. 
E)  tertiary consumer.

Question 10

A rain shadow lies on the leeward side of a mountain.

Accepted Answer

A) True 
 B)False

Question 11

All of the following are correct about oligotrophic lakes except

Accepted Answer

A)  they have an abundance of minerals and organic material. 
B)  they are often deeper than eutrophic lakes. 
C)  their deep water is rich in oxygen. 
D)  they are highly susceptible to pollution from fertilizer runoff. 
E)  they are highly susceptible to detergent and sewage contamination. 
A)  they have an abundance of minerals and organic material. 
B)  they are often deeper than eutrophic lakes. 
C)  their deep water is rich in oxygen. 
D)  they are highly susceptible to pollution from fertilizer runoff. 
E)  they are highly susceptible to detergent and sewage contamination.

Question 12

A _________________ in a community is made up of the organisms feeding at the same number of steps away from the sun.

Accepted Answer

The answer of A _________________ in a community is made...

Exam 20: Ecosystems

Deserts that occur on the back sides of mountain ranges are due to an effect called a __________________.

_______ bacteria convert nitrate into atmospheric nitrogen.

Which of the following is NOT a component of the physical habitat in which organisms live?

Humans alter the nitrogen cycle by

Which zone in a lake is open-water surface?

Plants are the ____________ in the food chain in an ecosystem.

Loss of water from the leaves of plants occurs mostly via a process known as

The total amount of energy fixed by photosynthetic organisms minus the energy used in their own metabolic activities is

When you eat fried chicken,you are the

A rain shadow lies on the leeward side of a mountain.

All of the following are correct about oligotrophic lakes except

A _________________ in a community is made up of the organisms feeding at the same number of steps away from the sun.

The Science of Biology

The Chemistry of Life

Molecules of Life

Cells

Energy and Life

Photosynthesis: Acquiring Energy From the Sun

How Cells Harvest Energy From Food

Mitosis

Meiosis

Foundations of Genetics

DNA: The Genetic Material

How Genes Work

The New Biology

Evolution and Natural Selection

Exploring Biological Diversity

Evolution of Microbial Life

Evolution of Plants

Evolution of Animals

Populations and Communities

Behavior and the Environment

How Human Influence the Living World

The Animal Body and How It Moves

Circulation

Respiration

The Path of Food Through the Animal Body

Maintaining the Internal Environment

How the Body Defends Itself

The Nervous System

Chemical Signaling Within the Animal Body

Reproduction and Development

Plant Form and Function

Plant Reproduction and Growth

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