Question 1

The most common reason that introduced species cause trouble is because they are larger than native species.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following are pioneer species?

Accepted Answer

A)  wood warblers
B)  dandelions
C)  starlings
D)  lichens
E)  humans

Question 3

Use the following example for the question.A species of fish can withstand a narrow range of temperature.Above 100°F there are no individuals present.In the range from 97°F-100°F and 90°F-94°F there are a few individuals present.Below 90°F there are no individuals present.Between 95°F-96°F there are many individuals.
-What would you label the range of temperature from 95°F to 96°F for this particular species?

Accepted Answer

A)  zone of intolerance
B)  tolerance limit range
C)  zone of physiological stress
D)  optimal range
E)  range of tolerance

Question 4

A tapeworm lives in the gut of an animal taking nutrients from the food the animal eats preventing the animal from receiving most of the nutrients.What type of symbiosis is this?

Accepted Answer

A)  parasitism
B)  commensalism
C)  mutualism
D)  keystone
E)  mimicry

Question 5

In the real world,many factors determine the numbers of organisms in any one population.Yet,a SUPERFLY with unlimited food and no mortality would show what type of growth?

Accepted Answer

A)  carrying capacity geometric increase
B)  irruptive growth
C)  J-shaped curve
D)  S-shaped curve
E)  Malthusian growth C

Question 6

Evolution occurs as a result of

Accepted Answer

A)  the discovery of a desirable characteristic in a population.
B)  an individual's physiological modification.
C)  environmental change that forces modification in a resident species.
D)  better survival or reproduction rates by individuals with a particular characteristic.
E)  a population's physiological modification.

Question 7

Which of the following does not contribute to limits on population growth?

Accepted Answer

A)  snakes feeding on mice in a cornfield
B)  bears having two cubs
C)  the amount of light for photosynthesis
D)  a disease-causing organism entering a population
E)  an increase in the total rainfall in a normally dry environment

Question 8

________ habitat specialist found exclusively in one specific type of habitat.

Accepted Answer

A)  Keystone species
B)  Endemic species
C)  Pioneer species
D)  Niche species
E)  Mutualistic species

Question 9

Complexity in an ecological community has to do with the number of

Accepted Answer

A)  species in the population.
B)  species at each trophic level.
C)  genetic variations within a species.
D)  primary producers available.
E)  primary producers relative to the number of consumers.

Question 10

________ is the development of a new species.

Accepted Answer

A)  Adaption
B)  Speciation
C)  Ecotone
D)  Evolution
E)  Mutation

Question 11

In the partnership of a lichen,the fungus provides ________ and the relationship is best described as ________.

Accepted Answer

A)  most of the photosynthesis;symbiosis
B)  poisons that deter predation;commensalism
C)  structure and moisture-holding ability;mutualism
D)  very little to the algal partner;parasitism
E)  some of the photosynthesis;commensalism

Question 12

The introduction of a predator onto an island originally free from predators is likely to cause the extinction of a native species.

Accepted Answer

A) True 
 B)False

Question 13

A biological community's primary productivity is a measure of

Accepted Answer

A)  its number of species.
B)  the number of individuals in the community.
C)  available solar energy that can be converted to biomass.
D)  the amount of biomass produced in the community.
E)  number of species and biomass.

Question 14

An especially effective strategy for reducing intraspecific competition is

Accepted Answer

A)  different ecological niches for juveniles and adults.
B)  rapid reproduction.
C)  eating prey before they are "ready" (ripe) for other species.
D)  resource partitioning.
E)  None of these since the examples given are for reducing interspecific competition.

Question 15

Sled dogs have a thick coat of hair that helps them withstand the cold temperatures of the Arctic.Compare that adaption to a single,unrelated dog that grows a thicker coat in the fall in response to colder temperatures.The adaptation of the sled dog best describes adaptation at the ________ level while the dog exposed to seasonal colder temperatures has ________.

Accepted Answer

A)  regional;natural selection at the individual level
B)  individual;physiological modifications at the population level
C)  population;physiological modifications at the individual level
D)  species;natural selection at the population level
E)  ecosystem;physiological modifications at the individual level

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

Question 17

A dieback,or population crash,often occurs after a species ________ its environmental carrying capacity.

Accepted Answer

A)  meets
B)  overshoots
C)  undershoots
D)  oscillates around
E)  decreases

Question 18

Which of the following would be an example of high biotic potential?

Accepted Answer

A)  a female mosquito can lay hundreds of eggs in a single dish of water
B)  a female robin lays three eggs in her nest
C)  a squirrel has a litter of five pups
D)  a K-selected species
E)  a large elephant

Question 19

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.

Question 20

An organism's biotic potential is the maximum number of offspring

Accepted Answer

A)  that it can produce.
B)  that survive to adulthood.
C)  its habitat can support.
D)  it produces at one time.
E)  it actually produces over its lifetime. A

Exam 3: Evolution,species Interactions,and Biological Communities

The most common reason that introduced species cause trouble is because they are larger than native species.

Correct Answer
verified

Which of the following are pioneer species?

Correct Answer
verified

Correct Answer
verified

A tapeworm lives in the gut of an animal taking nutrients from the food the animal eats preventing the animal from receiving most of the nutrients.What type of symbiosis is this?

Correct Answer
verified

In the real world,many factors determine the numbers of organisms in any one population.Yet,a SUPERFLY with unlimited food and no mortality would show what type of growth?

Correct Answer
verified
C

Evolution occurs as a result of

Correct Answer
verified

Which of the following does not contribute to limits on population growth?

Correct Answer
verified

________ habitat specialist found exclusively in one specific type of habitat.

Correct Answer
verified

Complexity in an ecological community has to do with the number of

Correct Answer
verified

________ is the development of a new species.

Correct Answer
verified

In the partnership of a lichen,the fungus provides and the relationship is best described as .

Correct Answer
verified

The introduction of a predator onto an island originally free from predators is likely to cause the extinction of a native species.

Correct Answer
verified

A biological community's primary productivity is a measure of

Correct Answer
verified

An especially effective strategy for reducing intraspecific competition is

Correct Answer
verified

Correct Answer
verified

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

Correct Answer
verified
A

A dieback,or population crash,often occurs after a species ________ its environmental carrying capacity.

Correct Answer
verified

Which of the following would be an example of high biotic potential?

Correct Answer
verified

Natural selection will ultimately make a species

Correct Answer
verified

An organism's biotic potential is the maximum number of offspring

Correct Answer
verified
A

Exam 3: Evolution,species Interactions,and Biological Communities

The most common reason that introduced species cause trouble is because they are larger than native species.

Correct AnswerverifiedShow Answer

Which of the following are pioneer species?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

A tapeworm lives in the gut of an animal taking nutrients from the food the animal eats preventing the animal from receiving most of the nutrients.What type of symbiosis is this?

Correct AnswerverifiedShow Answer

In the real world,many factors determine the numbers of organisms in any one population.Yet,a SUPERFLY with unlimited food and no mortality would show what type of growth?

Correct AnswerverifiedC

Evolution occurs as a result of

Correct AnswerverifiedShow Answer

Which of the following does not contribute to limits on population growth?

Correct AnswerverifiedShow Answer

________ habitat specialist found exclusively in one specific type of habitat.

Correct AnswerverifiedShow Answer

Complexity in an ecological community has to do with the number of

Correct AnswerverifiedShow Answer

________ is the development of a new species.

Correct AnswerverifiedShow Answer

In the partnership of a lichen,the fungus provides ________ and the relationship is best described as ________.

Correct AnswerverifiedShow Answer

The introduction of a predator onto an island originally free from predators is likely to cause the extinction of a native species.

Correct AnswerverifiedShow Answer

A biological community's primary productivity is a measure of

Correct AnswerverifiedShow Answer

An especially effective strategy for reducing intraspecific competition is

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedA

A dieback,or population crash,often occurs after a species ________ its environmental carrying capacity.

Correct AnswerverifiedShow Answer

Which of the following would be an example of high biotic potential?

Correct AnswerverifiedShow Answer

Natural selection will ultimately make a species

Correct AnswerverifiedShow Answer

An organism's biotic potential is the maximum number of offspring

Correct AnswerverifiedA

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C

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In the partnership of a lichen,the fungus provides and the relationship is best described as .

Correct Answer
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A

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A