Question 1

A wolf eats a rabbit that eats grass.The grass is a ________.

Accepted Answer

A)  consumer 
B)  detritivore 
C)  producer 
D)  heterotroph 
A)  consumer 
B)  detritivore 
C)  producer 
D)  heterotroph

Question 2

All living things need nitrogen.How does nitrogen enter the living portion of an ecosystem?

Accepted Answer

A)  Atmospheric N₂ taken in by photosynthesis 
B)  Atmospheric N₂ taken in by soil bacteria 
C)  Elemental nitrogen taken in by plant roots 
D)  Elemental nitrogen taken in by plant leaves 
A)  Atmospheric N₂ taken in by photosynthesis 
B)  Atmospheric N₂ taken in by soil bacteria 
C)  Elemental nitrogen taken in by plant roots 
D)  Elemental nitrogen taken in by plant leaves

Question 3

All of the following are abiotic factors within an ecosystem except ________.

Accepted Answer

A)  energy 
B)  fire 
C)  nutrients 
D)  All of the above are abiotic factors. 
A)  energy 
B)  fire 
C)  nutrients 
D)  All of the above are abiotic factors.

Question 4

What is the difference between a community and an ecosystem?

Accepted Answer

A)  A community and an ecosystem are the same thing in ecology. 
B)  A community includes abiotic factors, while an ecosystem does not. 
C)  A community includes interacting populations with their surrounding environment, while an ecosystem does not include the surrounding environment. 
D)  A community includes interacting populations without their surrounding environment, while an ecosystem includes the surrounding environment. 
A)  A community and an ecosystem are the same thing in ecology. 
B)  A community includes abiotic factors, while an ecosystem does not. 
C)  A community includes interacting populations with their surrounding environment, while an ecosystem does not include the surrounding environment. 
D)  A community includes interacting populations without their surrounding environment, while an ecosystem includes the surrounding environment.

Question 5

Identify the biotic factor of an ecosystem among the following options.

Accepted Answer

A)  Amount of nitrogen available for the moss to grow on cliffs 
B)  Nesting spots on the edge of a cliff that birds can use 
C)  Average wind forces that the cliffs withstand daily 
D)  Amount of moss available to the consumers 
A)  Amount of nitrogen available for the moss to grow on cliffs 
B)  Nesting spots on the edge of a cliff that birds can use 
C)  Average wind forces that the cliffs withstand daily 
D)  Amount of moss available to the consumers

Question 6

What is the term used to describe relatively small areas with unusually high concentrations of species found there and nowhere else,including many species in high risk of extinction? These areas receive the focus of global conservation efforts.

Accepted Answer

A)  Natural wildlife reserve 
B)  Biodiversity hot spot 
C)  Protective wilderness refuge 
D)  Protective conservation zone 
A)  Natural wildlife reserve 
B)  Biodiversity hot spot 
C)  Protective wilderness refuge 
D)  Protective conservation zone

A wolf eats a rabbit that eats grass.The grass is a ________.

All living things need nitrogen.How does nitrogen enter the living portion of an ecosystem?

All of the following are abiotic factors within an ecosystem except ________.

What is the difference between a community and an ecosystem?

Identify the biotic factor of an ecosystem among the following options.

What is the term used to describe relatively small areas with unusually high concentrations of species found there and nowhere else,including many species in high risk of extinction? These areas receive the focus of global conservation efforts.

An Introduction to the Science of Life

The Chemistry of Life

The Cell: The Fundamental Unit of Life

Energy and Life

Chromosomes and Inheritance

Dna: the Molecule of Life

Darwinian Evolution

Biodiversity 1: Microscopic Organisms

Biodiversity 2: Fungi and Plants

Biodiversity 3: Animals

Human Body Systems

Filters

Exam 12: Ecology

A wolf eats a rabbit that eats grass.The grass is a ________.

All living things need nitrogen.How does nitrogen enter the living portion of an ecosystem?

All of the following are abiotic factors within an ecosystem except ________.

What is the difference between a community and an ecosystem?

Identify the biotic factor of an ecosystem among the following options.

What is the term used to describe relatively small areas with unusually high concentrations of species found there and nowhere else,including many species in high risk of extinction? These areas receive the focus of global conservation efforts.

An Introduction to the Science of Life

The Chemistry of Life

The Cell: The Fundamental Unit of Life

Energy and Life

Chromosomes and Inheritance

Dna: the Molecule of Life

Darwinian Evolution

Biodiversity 1: Microscopic Organisms

Biodiversity 2: Fungi and Plants

Biodiversity 3: Animals

Human Body Systems

Filters