Biology 100- Unit 4 UPDATED ACTUAL Exam
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Terms in this set (25)
Which of the following an increase in the birth rate and a decrease in the
would cause a population death rate of a population
to grow?
Which of the following The number of people in a town has increased by 25%
statements describes an in the past 5 years.
example of population
growth?
Scientists observed a 55, 10%, open (50+21+5-13-8=55)
population of 50 three-
toed sloths over a year.
They observed 21 births, 13
deaths, 5 individuals
immigrate, and 8
individuals emigrate. What
is the population now?
What is the rate of
population growth in a
percentage? It is a/an
population.
, Imagine that a mountain limit, independent
that supports a population
of rare mountain goats
suffers a prolonged
summer forest fire. This
event is likely to
_______________ population
size, and would be
considered a density
__________ factor.
Most human populations exponential
experience a growth rate
best described as
The term _______ describes community
the interacting
populations of different
species (e.g., moose and
ticks) within an ecosystem.
Which of the following is Elk avoiding predators such as wolves
NOT an example of
resource competition?
Competition is most likely when two species occupy overlapping niches
to occur
one species may go extinct.
biodiversity may increase.
As a result of competition, both species may divide resources and survive.
one or both populations are likely to decline.
>>any of the above is possible.
Bees and flowering plants, mutualism
figs and fig wasps (as
discussed in lecture) are
commonly used as
examples of
Questions and CORRECT Answers
Save
Terms in this set (25)
Which of the following an increase in the birth rate and a decrease in the
would cause a population death rate of a population
to grow?
Which of the following The number of people in a town has increased by 25%
statements describes an in the past 5 years.
example of population
growth?
Scientists observed a 55, 10%, open (50+21+5-13-8=55)
population of 50 three-
toed sloths over a year.
They observed 21 births, 13
deaths, 5 individuals
immigrate, and 8
individuals emigrate. What
is the population now?
What is the rate of
population growth in a
percentage? It is a/an
population.
, Imagine that a mountain limit, independent
that supports a population
of rare mountain goats
suffers a prolonged
summer forest fire. This
event is likely to
_______________ population
size, and would be
considered a density
__________ factor.
Most human populations exponential
experience a growth rate
best described as
The term _______ describes community
the interacting
populations of different
species (e.g., moose and
ticks) within an ecosystem.
Which of the following is Elk avoiding predators such as wolves
NOT an example of
resource competition?
Competition is most likely when two species occupy overlapping niches
to occur
one species may go extinct.
biodiversity may increase.
As a result of competition, both species may divide resources and survive.
one or both populations are likely to decline.
>>any of the above is possible.
Bees and flowering plants, mutualism
figs and fig wasps (as
discussed in lecture) are
commonly used as
examples of
