Question 1

Match between columns
                        Premises: a zebra grazing on savanna grass

Accepted Answer

The Answer of herbivore and producer and detritivore and decomposer is...

Question 2

Which is a characteristic of parasites?

Accepted Answer

A)  They are indiscriminate in their choice of host.
B)  They inflict serious injury and kill their host.
C)  Some reside inside their host, whereas others live outside their host.
D)  Parasitic hosts are always animals.
E)  They rarely harm their host.F) A) and B)
G) A) and E)

Question 3

Match between columns
                        Premises: dissolved carbon in the ocean

Accepted Answer

The Answer of C and D and E and B is...

Question 4

Red imported fire ants (RIFAs) disrupt natural communities by ____.

Accepted Answer

A)  congregating inside electrical equipment
B)  competing with native ant populations
C)  stinging humans with deadly venom
D)  disrupting pasture land
E)  killing Texas horned lizardsF) C) and D)
G) B) and D)

Question 5

Considering the traditional view of ecological succession, which plant would most likely be a pioneer species in a primary succession event?

Accepted Answer

A)  an oak tree that produces acorns dispersed by squirrels
B)  a snapdragon flower pollinated by bees
C)  a dandelion that produces seeds asexually, which are dispersed by the wind
D)  a perennial species such as Douglas fir trees
E)  a birch treeF) B) and E)
G) C) and D)

Question 6

Carbon dioxide in the atmosphere ____.

Accepted Answer

A)  is destroying the ozone layer
B)  has dramatically increased in the last few decades
C)  is one of the prime reasons for acid depositions
D)  is a waste gas produced by respiration and has no biological use
E)  can change spontaneously to carbon monoxide in sunlightF) A) and B)
G) A) and C)

Question 7

Light energy from the sun is captured by photosynthesis as ____.

Accepted Answer

A)  heat energy in chemical bonds
B)  energy in chemical bonds
C)  chemical energy lost to the environment
D)  kinetic energy in chemical bonds
E)  conserved energyF) C) and D)
G) A) and D)

Question 8

The monarch butterfly is poisonous to birds; therefore, birds avoid eating them. Viceroy butterflies look very similar to monarch butterflies, but are not poisonous. Because they look like monarch butterflies, birds also do not eat viceroy butterflies. This is an example of ____.

Accepted Answer

A)  resource partitioning
B)  competitive exclusion
C)  mimicry
D)  camouflage
E)  commensalismF) A) and B)
G) C) and E)

Question 9

The interaction in which one species benefits and the second species is neither harmed nor benefited is ____.

Accepted Answer

A)  mutualism
B)  parasitism
C)  commensalism
D)  competition
E)  predationF) A) and E)
G) A) and C)

Question 10

The lichen shown here is an example of ____.

Accepted Answer

A)  competition
B)  parasitism
C)  predation
D)  commensalism
E)  mutualismF) B) and C)
G) A) and E)

Question 11

An energy pyramid is ____.

Accepted Answer

A)  a demonstration of the first law of thermodynamics
B)  a representation of the decline in available energy as it travels through the trophic levels
C)  fundamentally different from the pyramid of biomass and the pyramid of numbers
D)  a demonstration of the interactions between species in a community
E)  a representation of an ecosystem's diversityF) A) and E)
G) A) and D)

Question 12

Most of the Earth's phosphorous is in the form of ____.

Accepted Answer

A)  phosphoric acid
B)  elemental phosphorous
C)  phosphate
D)  phosphorous cations
E)  carbonateF) A) and E)
G) D) and E)

Question 13

Nitrogen gas is first converted into _____ by certain_____ before it enters the land nitrogen cycle.

Accepted Answer

A)  nitrate; bacteria
B)  ammonium; bacteria
C)  elemental nitrogen; bacteria
D)  nitrate; bacteria and fungi
E)  ammonium; bacteria and fungiF) B) and C)
G) A) and E)

Question 14

The cowbird chick with its foster parent exemplifies an example of ____.

Accepted Answer

A)  commensalism
B)  brood parasitism
C)  competition
D)  mutualism
E)  parasitoidismF) A) and B)
G) C) and D)

Question 15

Where is most of the Earth's phosphate found?

Accepted Answer

A)  ocean water
B)  aquifers
C)  the atmosphere
D)  rocks and sediments
E)  plantsF) B) and C)
G) C) and E)

Question 16

Secondary succession can occur ____.

Accepted Answer

A)  after a fire
B)  on a new sand dune
C)  on bare rock
D)  immediately after the formation of an artificial lake
E)  on a glacierF) A) and B)
G) A) and C)

Question 17

Match between columns
                        Premises: photosynthesis

Accepted Answer

The Answer of A and E and D and B is...

Question 18

In an Arctic food web, the organisms in these pictures represent the ____.

Accepted Answer

A)  second trophic level
B)  secondary consumers
C)  first trophic level
D)  primary consumers
E)  third trophic levelF) All of the above
G) B) and C)

Question 19

The niche of an earthworm in an ecosystem is as a(n) ____.

Accepted Answer

A)  producer
B)  consumer
C)  detritivore
D)  decomposer
E)  parasiteF) None of the above
G) B) and C)

Question 20

The warming action on Earth's atmosphere is referred to as ____.

Accepted Answer

A)  respiration accumulation
B)  the greenhouse effect
C)  the smog problem
D)  the blanket phenomenon
E)  ozone depletionF) C) and D)
G) A) and E)

Exam 17: Communities and Ecosystems

Examine the figure below of the carbon cycle. Match each term with the concept to which it best corresponds.

The cowbird chick with its foster parent exemplifies an example of ____.

Correct Answer
verified

Which is a characteristic of parasites?

Correct Answer
verified

Light energy from the sun is captured by photosynthesis as ____.

Correct Answer
verified

The niche of an earthworm in an ecosystem is as a(n) ____.

Correct Answer
verified

Most of the Earth's phosphorous is in the form of ____.

Correct Answer
verified

Match the trophic category to the correct description.

Examine the figure below of the carbon cycle. Match each term with the concept to which it best corresponds.

Considering the traditional view of ecological succession, which plant would most likely be a pioneer species in a primary succession event?

Correct Answer
verified

An energy pyramid is ____.

Correct Answer
verified

Nitrogen gas is first converted into _ by certain_ before it enters the land nitrogen cycle.

Correct Answer
verified

The warming action on Earth's atmosphere is referred to as ____.

Correct Answer
verified

The lichen shown here is an example of ____.

Correct Answer
verified

Carbon dioxide in the atmosphere ____.

Correct Answer
verified

In an Arctic food web, the organisms in these pictures represent the ____.

Correct Answer
verified

Secondary succession can occur ____.

Correct Answer
verified

The interaction in which one species benefits and the second species is neither harmed nor benefited is ____.

Correct Answer
verified

Where is most of the Earth's phosphate found?

Correct Answer
verified

Red imported fire ants (RIFAs) disrupt natural communities by ____.

Correct Answer
verified

The monarch butterfly is poisonous to birds; therefore, birds avoid eating them. Viceroy butterflies look very similar to monarch butterflies, but are not poisonous. Because they look like monarch butterflies, birds also do not eat viceroy butterflies. This is an example of ____.

Correct Answer
verified

Exam 17: Communities and Ecosystems

Examine the figure below of the carbon cycle. Match each term with the concept to which it best corresponds.

The cowbird chick with its foster parent exemplifies an example of ____.

Correct AnswerverifiedShow Answer

Which is a characteristic of parasites?

Correct AnswerverifiedShow Answer

Light energy from the sun is captured by photosynthesis as ____.

Correct AnswerverifiedShow Answer

The niche of an earthworm in an ecosystem is as a(n) ____.

Correct AnswerverifiedShow Answer

Most of the Earth's phosphorous is in the form of ____.

Correct AnswerverifiedShow Answer

Match the trophic category to the correct description.

Examine the figure below of the carbon cycle. Match each term with the concept to which it best corresponds.

Considering the traditional view of ecological succession, which plant would most likely be a pioneer species in a primary succession event?

Correct AnswerverifiedShow Answer

An energy pyramid is ____.

Correct AnswerverifiedShow Answer

Nitrogen gas is first converted into _____ by certain_____ before it enters the land nitrogen cycle.

Correct AnswerverifiedShow Answer

The warming action on Earth's atmosphere is referred to as ____.

Correct AnswerverifiedShow Answer

The lichen shown here is an example of ____.

Correct AnswerverifiedShow Answer

Carbon dioxide in the atmosphere ____.

Correct AnswerverifiedShow Answer

In an Arctic food web, the organisms in these pictures represent the ____.

Correct AnswerverifiedShow Answer

Secondary succession can occur ____.

Correct AnswerverifiedShow Answer

The interaction in which one species benefits and the second species is neither harmed nor benefited is ____.

Correct AnswerverifiedShow Answer

Where is most of the Earth's phosphate found?

Correct AnswerverifiedShow Answer

Red imported fire ants (RIFAs) disrupt natural communities by ____.

Correct AnswerverifiedShow Answer

The monarch butterfly is poisonous to birds; therefore, birds avoid eating them. Viceroy butterflies look very similar to monarch butterflies, but are not poisonous. Because they look like monarch butterflies, birds also do not eat viceroy butterflies. This is an example of ____.

Correct AnswerverifiedShow Answer

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Nitrogen gas is first converted into _ by certain_ before it enters the land nitrogen cycle.

Correct Answer
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