Question 1

In contrast to predation, a parasite usually ____.​

Accepted Answer

A)  ​does not kill its host 
B)  ​always kills its host 
C)  ​is a short-term visitor 
D)  ​is larger than its host 
E)  does not harm its host​ 
A)  ​does not kill its host 
B)  ​always kills its host 
C)  ​is a short-term visitor 
D)  ​is larger than its host 
E)  does not harm its host​

Question 2

An aquifer is most closely related to ____.​

Accepted Answer

A)  ​sea water 
B)  ​lake water 
C)  ​stream water 
D)  ​glacial water 
E)  groundwater​ 
A)  ​sea water 
B)  ​lake water 
C)  ​stream water 
D)  ​glacial water 
E)  groundwater​

Question 3

The lichen shown here is an example of ____.

Accepted Answer

A)  competition 
B)  parasitism 
C)  predation 
D)  commensalism 
E)  mutualism 
A)  competition 
B)  parasitism 
C)  predation 
D)  commensalism 
E)  mutualism

Question 4

At the bottom or base of an energy pyramid are the ____.​

Accepted Answer

A)  ​primary consumers 
B)  ​primary producers 
C)  ​secondary consumers 
D)  ​secondary producers 
E)  tertiary consumers​ 
A)  ​primary consumers 
B)  ​primary producers 
C)  ​secondary consumers 
D)  ​secondary producers 
E)  tertiary consumers​

Question 5

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)  commensalism 
A)  resource partitioning 
B)  competitive exclusion 
C)  mimicry 
D)  camouflage 
E)  commensalism

Question 6

In this figure, what do the yellow arrows marked #1 and #2 indicate?

Accepted Answer

A)  light energy 
B)  heat energy 
C)  greenhouse gases 
D)  atmospheric gases 
E)  carbon dioxide 
A)  light energy 
B)  heat energy 
C)  greenhouse gases 
D)  atmospheric gases 
E)  carbon dioxide

Question 7

This image shows an area in which a glacier has melted. What is indicated by the number "2"?

Accepted Answer

A)  competition for food resources 
B)  resource partitioning between two competing species 
C)  emergence of climax species 
D)  colonization by pioneer species 
E)  secondary succession 
A)  competition for food resources 
B)  resource partitioning between two competing species 
C)  emergence of climax species 
D)  colonization by pioneer species 
E)  secondary succession

Question 8

In most land ecosystems, ____ food chains predominate.​

Accepted Answer

A)  ​decomposer 
B)  ​detrital 
C)  ​producer 
D)  ​consumer 
E)  grazing​ 
A)  ​decomposer 
B)  ​detrital 
C)  ​producer 
D)  ​consumer 
E)  grazing​

Question 9

Where is most of the Earth's phosphate found?​

Accepted Answer

A)  ​ocean water 
B)  ​aquifers 
C)  ​the atmosphere 
D)  ​rocks and sediments 
E)  plants​ 
A)  ​ocean water 
B)  ​aquifers 
C)  ​the atmosphere 
D)  ​rocks and sediments 
E)  plants​

Question 10

An example of a specific adaptation against predation is ____.​

Accepted Answer

A)  ​photosynthetic dinoflagellates providing sugars to corals 
B)  ​eagles and foxes fighting over a carcass 
C)  ​two species of Paramecium feeding on bacteria 
D)  ​sundew plants and wolf spiders competing for food 
E)  ​a skunk squirting foul-smelling, irritating repellents 
A)  ​photosynthetic dinoflagellates providing sugars to corals 
B)  ​eagles and foxes fighting over a carcass 
C)  ​two species of Paramecium feeding on bacteria 
D)  ​sundew plants and wolf spiders competing for food 
E)  ​a skunk squirting foul-smelling, irritating repellents

Question 11

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

Question 12

In a typical predator-prey relationship, ____.

Accepted Answer

A)  the predator exerts selective pressure on its prey 
B)  the prey exerts selective pressure on its predator 
C)  the predator will not kill its prey 
D)  the predator feeds on carcasses 
E)  predator and prey exert selective pressures on each other 
A)  the predator exerts selective pressure on its prey 
B)  the prey exerts selective pressure on its predator 
C)  the predator will not kill its prey 
D)  the predator feeds on carcasses 
E)  predator and prey exert selective pressures on each other

Question 13

Examine the following figure of the water cycle. Match each term with the concept to which it best corresponds.   ​
-​surface and groundwater flow
A)A
B)B
C)C
D)D
E)E

Accepted Answer

The answer of Examine the following figure of the water...

Question 14

Match the type of species interaction to the correct description.
-Some plants live in association with bacteria that can fix nitrogen. The nitrogen from the bacteria is shared with the plant and the bacteria receive carbohydrates from the plant.
A)competition
B)predation
C)mutualism
D)commensalism
E)parasitism

Accepted Answer

The answer of Match the type of species interaction to...

Question 15

Match the type of species interaction to the correct description.
-A species that withdraws nutrients from another species (its host), usually without killing it.
A)competition
B)predation
C)mutualism
D)commensalism
E)parasitism

Accepted Answer

The answer of Match the type of species interaction to...

Question 16

Matching
Examine the following figure of the carbon cycle. Match each term with the concept to which it best corresponds.   ​
-​dissolved carbon in the ocean
A)A
B)B
C)C
D)D
E)E

Accepted Answer

The answer of Matching
Examine the following figure of the carbon...

Question 17

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

Accepted Answer

A)  producer​ 
B)  ​consumer 
C)  ​detritivore 
D)  ​decomposer 
E)  parasite​ 
A)  producer​ 
B)  ​consumer 
C)  ​detritivore 
D)  ​decomposer 
E)  parasite​

Question 18

An example of keystone species are ____.​

Accepted Answer

A)  ​beavers that build dams 
B)  ​mice that feed on mushrooms and truffles 
C)  ​Douglas fir trees 
D)  ​kudzu 
E)  earthworms that aid decomposition​ 
A)  ​beavers that build dams 
B)  ​mice that feed on mushrooms and truffles 
C)  ​Douglas fir trees 
D)  ​kudzu 
E)  earthworms that aid decomposition​

Question 19

Match the trophic category to the correct description.
-a zebra grazing on savanna grass
A)producer
B)herbivore
C)carnivore
D)detritivore
E)decomposer

Accepted Answer

The answer of Match the trophic category to the correct...

Question 20

​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)  ​predation 
A)  ​mutualism 
B)  ​parasitism 
C)  ​commensalism 
D)  ​competition 
E)  ​predation

Exam 18: Communities and Ecosystems

In contrast to predation, a parasite usually ____.​

An aquifer is most closely related to ____.​

The lichen shown here is an example of ____.

At the bottom or base of an energy pyramid are the ____.​

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 ____.

In this figure, what do the yellow arrows marked #1 and #2 indicate?

This image shows an area in which a glacier has melted. What is indicated by the number "2"?

In most land ecosystems, ____ food chains predominate.​

Where is most of the Earth's phosphate found?​

An example of a specific adaptation against predation is ____.​

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

In a typical predator-prey relationship, ____.

Examine the following figure of the water cycle. Match each term with the concept to which it best corresponds. ​ -​surface and groundwater flow A)A B)B C)C D)D E)E

Match the type of species interaction to the correct description. -A species that withdraws nutrients from another species (its host), usually without killing it. A)competition B)predation C)mutualism D)commensalism E)parasitism

Matching Examine the following figure of the carbon cycle. Match each term with the concept to which it best corresponds. ​ -​dissolved carbon in the ocean A)A B)B C)C D)D E)E

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

An example of keystone species are ____.​

Match the trophic category to the correct description. -a zebra grazing on savanna grass A)producer B)herbivore C)carnivore D)detritivore E)decomposer

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

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Photosynthesis

Releasing Chemical Energy

Dna Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Prokaryotes, Protists, and Viruses

Plants and Fungi

Animal Evolution

Population Ecology

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Animal Reproduction and Development

Plant Form and Function

Life Cycles of Flowering Plants

Filters

In contrast to predation, a parasite usually ____.

An aquifer is most closely related to ____.

At the bottom or base of an energy pyramid are the ____.

In most land ecosystems, ____ food chains predominate.

Where is most of the Earth's phosphate found?

An example of a specific adaptation against predation is ____.

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

Examine the following figure of the water cycle. Match each term with the concept to which it best corresponds. -surface and groundwater flow A)A B)B C)C D)D E)E

Matching Examine the following figure of the carbon cycle. Match each term with the concept to which it best corresponds. -dissolved carbon in the ocean A)A B)B C)C D)D E)E

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

An example of keystone species are ____.

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