Question 1

Tolerance limits are _______ that limit a species' survival.

Accepted Answer

A) Temperature ranges 
B) Any environmental conditions 
C) Population sizes 
D) Narrow salinity levels 
E) Undesirable toxin concentrations 
A) Temperature ranges 
B) Any environmental conditions 
C) Population sizes 
D) Narrow salinity levels 
E) Undesirable toxin concentrations B

Question 2

Indicator species, such as lichens, generally have a(n) ___________ tolerance range for a ____________.

Accepted Answer

A) Narrow; critical factor 
B) Narrow; number of physical factors 
C) Average; number of physical factors 
D) Broad; number of critical factors 
E) Broad; critical factor 
A) Narrow; critical factor 
B) Narrow; number of physical factors 
C) Average; number of physical factors 
D) Broad; number of critical factors 
E) Broad; critical factor A

Question 3

A species can withstand a wide range of pH as an adult but the juveniles can only withstand a narrow range of pH.The abiotic factor, pH, would best be described as a

Accepted Answer

A) Stress factor 
B) Intolerance factor 
C) Tolerance limit 
D) Critical factor 
E) Physical factor 
A) Stress factor 
B) Intolerance factor 
C) Tolerance limit 
D) Critical factor 
E) Physical factor D

Question 4

Which of the following are pioneer species?

Accepted Answer

A) Wood warblers 
B) Dandelions 
C) Starlings 
D) Lichens 
E) Humans 
A) Wood warblers 
B) Dandelions 
C) Starlings 
D) Lichens 
E) Humans

Question 5

Territoriality is an important form of _________ for many animal species.

Accepted Answer

A) Symbiotic behavior 
B) Interspecific competition 
C) Intraspecific competition 
D) Commensalism 
E) Resource partitioning 
A) Symbiotic behavior 
B) Interspecific competition 
C) Intraspecific competition 
D) Commensalism 
E) Resource partitioning

Question 6

Use the following example:
A species can withstand a narrow range of temperature. Above 100S1U1P1$\circ$S1S1P0F there are no species present. In the range from 97S1U1P1$\circ$S1S1P0F to 100S1U1P1$\circ$S1S1P0F and 90S1U1P1$\circ$S1S1P0F to 94S1U1P1$\circ$S1S1P0F there are a few species present. Below 90S1U1P1$\circ$S1S1P0F there are no species present.

-What would you label the range of temperature from 90$\circ$F to 94$\circ$F for this particular species?

Accepted Answer

A) Zone of intolerance 
B) Zone of physiological stress 
C) Tolerance limit range 
D) Optimal range 
E) Range of tolerance 
A) Zone of intolerance 
B) Zone of physiological stress 
C) Tolerance limit range 
D) Optimal range 
E) Range of tolerance

Question 7

Natural selection will ultimately make a species

Accepted Answer

A) More intelligent 
B) Physically bigger 
C) Better adapted to its environment 
D) More aggressive 
E) Less vulnerable to its predators 
A) More intelligent 
B) Physically bigger 
C) Better adapted to its environment 
D) More aggressive 
E) Less vulnerable to its predators

Question 8

An especially effective strategy for reducing intraspecific competition is

Accepted Answer

A) Assigning different ecological niches for juveniles and adults of the same species 
B) Rapid reproduction 
C) Eating fruit before it is ripe for other species 
D) Resource partitioning 
A) Assigning different ecological niches for juveniles and adults of the same species 
B) Rapid reproduction 
C) Eating fruit before it is ripe for other species 
D) Resource partitioning

Question 9

Certain night-active moths and day-active birds are specialized nectar feeders.How do these species coexist if they are using the same resource for food?

Accepted Answer

A) Because they both use the nectar, eventually one of the two species will need to move to a new area 
B) They do not compete for the nectar because they feed at different times of the day 
C) There is enough nectar to supply both the birds and the moths with their feeding needs 
D) Eventually the niche breadth will increase and there will be less competition 
E) None of the choices is correct 
A) Because they both use the nectar, eventually one of the two species will need to move to a new area 
B) They do not compete for the nectar because they feed at different times of the day 
C) There is enough nectar to supply both the birds and the moths with their feeding needs 
D) Eventually the niche breadth will increase and there will be less competition 
E) None of the choices is correct

Question 10

As a rule, near the Earth's north and south poles,

Accepted Answer

A) Diversity is high and abundance is low 
B) Abundance is high and diversity is high 
C) Neither abundance nor diversity is high 
D) Abundance is high and diversity is low 
E) Abundance and diversity are about the same 
A) Diversity is high and abundance is low 
B) Abundance is high and diversity is high 
C) Neither abundance nor diversity is high 
D) Abundance is high and diversity is low 
E) Abundance and diversity are about the same

Question 11

Two birds, a titmouse and a chickadee are living in the same territory and are using some of the same resources.This interaction can be best classified as

Accepted Answer

A) Mutualism 
B) Intraspecific competition 
C) Interspecific competition 
D) Symbiosis 
E) Commensalism 
A) Mutualism 
B) Intraspecific competition 
C) Interspecific competition 
D) Symbiosis 
E) Commensalism

Question 12

Resource partitioning leads species to

Accepted Answer

A) Feed at different times 
B) Utilize slightly different prey 
C) Develop different physiological adaptations 
D) Live in slightly different regions 
E) All of these would be a result of resource partitioning 
A) Feed at different times 
B) Utilize slightly different prey 
C) Develop different physiological adaptations 
D) Live in slightly different regions 
E) All of these would be a result of resource partitioning

Question 13

Most organisms' niches are controlled by

Accepted Answer

A) Genetic trait for adaptive characteristics 
B) Lessons learned from parents 
C) Behavior learned from others in their social groups 
D) Luck 
E) The predators and competitors they encounter 
A) Genetic trait for adaptive characteristics 
B) Lessons learned from parents 
C) Behavior learned from others in their social groups 
D) Luck 
E) The predators and competitors they encounter

Question 14

A viceroy butterfly that closely resembles the bad tasting monarch is an example of __________, and the example of beetles that look like stinging wasps is an example of __________.

Accepted Answer

A) Batesian mimicry; Batesian mimicry 
B) Batesian mimicry; Muellerian mimicry 
C) Muellerian mimicry; Muellerian mimicry 
D) Muellerian mimicry; Batesian mimicry 
E) Commensalism; symbiosis 
A) Batesian mimicry; Batesian mimicry 
B) Batesian mimicry; Muellerian mimicry 
C) Muellerian mimicry; Muellerian mimicry 
D) Muellerian mimicry; Batesian mimicry 
E) Commensalism; symbiosis

Question 15

Regular lawn mowing selects for short-headed rather than tall-headed dandelions because

Accepted Answer

A) Tall flowers spread their seeds farther 
B) Tall flowers are cut before they can produce seeds 
C) Short flowers can reproduce 
D) Short flowers spread their seeds farther 
E) Short flowers have less competition when the lawn is mowed often 
A) Tall flowers spread their seeds farther 
B) Tall flowers are cut before they can produce seeds 
C) Short flowers can reproduce 
D) Short flowers spread their seeds farther 
E) Short flowers have less competition when the lawn is mowed often

Question 16

A community with hundreds of different types of primary producers, a few herbivores and only one carnivore, has

Accepted Answer

A) Little complexity 
B) Little diversity 
C) A great deal of complexity 
D) Low productivity 
E) A great deal of productivity 
A) Little complexity 
B) Little diversity 
C) A great deal of complexity 
D) Low productivity 
E) A great deal of productivity

Question 17

A "closed community" has a

Accepted Answer

A) Narrow ecotone 
B) Gradual transition zone 
C) Wide ecotone 
D) Very small area 
E) Large core area 
A) Narrow ecotone 
B) Gradual transition zone 
C) Wide ecotone 
D) Very small area 
E) Large core area

Question 18

There are usually many tolerance limits responsible for limiting the number and location of a species.However, some organisms have ____________ that limit/limits their distribution.

Accepted Answer

A) a specific critical factor 
B) other environmental conditions 
C) many factors 
D) nothing 
A) a specific critical factor 
B) other environmental conditions 
C) many factors 
D) nothing

Question 19

Populations can be critically limited by

Accepted Answer

A) Available food 
B) Suitable shelter from the elements 
C) Available water 
D) Suitable shelter from predators 
E) Any of these, depending on the system 
A) Available food 
B) Suitable shelter from the elements 
C) Available water 
D) Suitable shelter from predators 
E) Any of these, depending on the system

Question 20

In a biological community where diversity is great, such as a tropical rainforest, the abundance of any one species is likely to be

Accepted Answer

A) Great 
B) Small 
C) Widely variable from year to year 
D) The same from year to year 
E) None of these, abundance does not depend on diversity 
A) Great 
B) Small 
C) Widely variable from year to year 
D) The same from year to year 
E) None of these, abundance does not depend on diversity

Exam 4: Evolution, Biological Communities, and Species Interactions

Tolerance limits are _______ that limit a species' survival.

Indicator species, such as lichens, generally have a(n) ___________ tolerance range for a ____________.

A species can withstand a wide range of pH as an adult but the juveniles can only withstand a narrow range of pH.The abiotic factor, pH, would best be described as a

Which of the following are pioneer species?

Territoriality is an important form of _________ for many animal species.

Natural selection will ultimately make a species

An especially effective strategy for reducing intraspecific competition is

Certain night-active moths and day-active birds are specialized nectar feeders.How do these species coexist if they are using the same resource for food?

As a rule, near the Earth's north and south poles,

Two birds, a titmouse and a chickadee are living in the same territory and are using some of the same resources.This interaction can be best classified as

Resource partitioning leads species to

Most organisms' niches are controlled by

A viceroy butterfly that closely resembles the bad tasting monarch is an example of __________, and the example of beetles that look like stinging wasps is an example of __________.

Regular lawn mowing selects for short-headed rather than tall-headed dandelions because

A community with hundreds of different types of primary producers, a few herbivores and only one carnivore, has

A "closed community" has a

There are usually many tolerance limits responsible for limiting the number and location of a species.However, some organisms have ____________ that limit/limits their distribution.

Populations can be critically limited by

In a biological community where diversity is great, such as a tropical rainforest, the abundance of any one species is likely to be

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Indicator species, such as lichens, generally have a(n) _ tolerance range for a __.

A viceroy butterfly that closely resembles the bad tasting monarch is an example of , and the example of beetles that look like stinging wasps is an example of .