Question 1

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 consumersE) A) and D)
F) A) and C)

Question 2

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

Accepted Answer

A)   consumer
B)   detritivore
C)   producer
D)   heterotrophE) C) and D)
F) All of the above

Question 3

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 leavesE) None of the above
F) A) and B)

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.E) A) and B)
F) B) and C)

Question 5

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 zoneE) B) and D)
F) All of the above

Question 6

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.E) A) and B)
F) B) and D)

Exam 12: Ecology

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

Correct Answer
verified

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

Correct Answer
verified

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.

Correct Answer
verified

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

Correct Answer
verified

What is the difference between a community and an ecosystem?

Correct Answer
verified

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

Correct Answer
verified

Exam 12: Ecology

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What is the difference between a community and an ecosystem?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified