Question 1

Primary succession occurs when a community develops ____________ while secondary succession occurs when one ________.

Accepted Answer

A)  into a climax community; species replaces another 
B)  and replaces another; ecosystem becomes stable 
C)  on unoccupied ground; biological community replaces another 
D)  and then fails; niche changes 
E)  intraspecific competition; experiences interspecific competition 
A)  into a climax community; species replaces another 
B)  and replaces another; ecosystem becomes stable 
C)  on unoccupied ground; biological community replaces another 
D)  and then fails; niche changes 
E)  intraspecific competition; experiences interspecific competition

Question 2

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

Question 3

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.

Question 4

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. These are examples for reducing interspecific competition. 
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. These are examples for reducing interspecific competition.

Question 5

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)  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.

Question 6

What would you label the range of temperature from 95$\circ$F to 96$\circ$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 
A)  zone of intolerance 
B)  tolerance limit range 
C)  zone of physiological stress 
D)  optimal range 
E)  range of tolerance

Question 7

A climax community is one that

Accepted Answer

A)  is relatively stable and long lasting. 
B)  lasts forever. 
C)  contains oaks or white spruce. 
D)  is impervious to disruption. 
E)  is adapted to periodic disruption. 
A)  is relatively stable and long lasting. 
B)  lasts forever. 
C)  contains oaks or white spruce. 
D)  is impervious to disruption. 
E)  is adapted to periodic disruption.

Question 8

In general species diversity is higher near the poles than near the equator.

Accepted Answer

A) True 
 B)False

Question 9

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 cannot reproduce. 
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 cannot reproduce. 
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 10

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

Primary succession occurs when a community develops ____ while secondary succession occurs when one .

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?

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

An especially effective strategy for reducing intraspecific competition is

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

What would you label the range of temperature from 95^$\circ$F to 96^$\circ$F for this particular species?

A climax community is one that

In general species diversity is higher near the poles than near the equator.

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

Which of the following are pioneer species?

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Exam 3: Evolution, Species Interactions, and Biological Communities

Primary succession occurs when a community develops ____________ while secondary succession occurs when one ________.

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?

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

An especially effective strategy for reducing intraspecific competition is

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

What would you label the range of temperature from 95 ∘\circ∘ F to 96 ∘\circ∘ F for this particular species?

A climax community is one that

In general species diversity is higher near the poles than near the equator.

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

Which of the following are pioneer species?

Understanding Our Environment

Environmental Systems: Connections, Cycles, Flows and Feedback Loops

Human Populations

Biomes and Biodiversity

Environmental Conservation: Forests Grasslands Parks and Nature Preserves

Food and Agriculture

Environmental Health and Toxicology

Air: Climate and Pollution

Water: Resources and Pollution

Environmental Geology and Earth Resources

Energy

Solid and Hazardous Waste

Economics and Urbanization

Environmental Policy and Sustainability

Filters

Primary succession occurs when a community develops ____ while secondary succession occurs when one .

What would you label the range of temperature from 95^$\circ$F to 96^$\circ$F for this particular species?